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Samuel Ward

Title(s)Vice Chairman, Orthopedic Surgery, Orthopedic Surgery
SchoolHealth Sciences
Phone858-534-4918
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    Other Positions
    Title(s)Professor, Radiology


    Collapse Biography 
    Collapse Education and Training
    California State University Long BeachBS1997Physical Therapy
    University of Southern CaliforniaPhD2003Biokinesiology
    University of California San DiegoPost-doc2006Orthoapedic Surgery
    Collapse Awards and Honors
    American Physical Therapy Association1998McMillan Scholar
    University of Southern California2001Jacquelin Perry Research Award
    American Physical Therapy Association2008Eugene Michels New Investigator Award
    American Society of Biomechanics2008Post-Doctoral Scientist Award
    California Physical Therapy Association2009Publication of the Year
    International Society for Study of the Lumbar Spine2011Research Prize
    California State University Long Beach2012Distinguished Alumni Award
    University of Southern California2012Distinguished Almuni Award
    American Academy of Orthopedic Surgeons2013Kappa Delta Award
    Balgrist Hospital/University of Zurich2016  - 2017Visiting Professor in Residence
    California Physical Therapy Association2016Publication of the Year
    American Physical Therapy Association2017Marion William Career Achievement in Research Award
    UCLA Orthopaedic Surgery2017Visiting Professor
    Washington University in St. Louis2018Steven J. Rose Visiting Professor
    American Physical Therapy Association2018Fellow

    Collapse Overview 

    Collapse Research 
    Collapse Research Activities and Funding
    Bone Marrow Aspirate Concentrate (BMAC) Treatment for Osteoarthritis
    Sanford Clinical Center Oct 1, 2018 - Dec 31, 2018
    Role: Co-PI
    Promotion of Skeletal Muscle Recovery Using an Extracellular Matrix Hydrogel in a Rabbit Model of Chronic Rotator Cuff Injury
    NIH/NIAMS R21AR072523Mar 7, 2018 - Dec 31, 2019
    Role: Principal Investigator
    Functional Outcomes after Mixed Motor and Sensory Nerve Cryoablation
    Epimed Jan 1, 2018 - Aug 31, 2018
    Role: PI
    3D Quantification of Exercise-Induced Recruitment in Pathological Paraspinal Muscles
    NIH/NICHD/NCMRR HD094598Dec 1, 2017 - Nov 30, 2019
    Role: Co-Investigator
    Non invasive measurements of muscle microstructure assessed by diffusion tensor imaging
    NIH/NIAMS R01AR070830Aug 11, 2017 - Jul 31, 2022
    Role: Principal Investigator
    Lumbar spine muscle degeneration inhibits rehabilitation-induced muscle recovery
    NIH/NICHD R01HD088437Jul 1, 2017 - Mar 31, 2022
    Role: Principal Investigator
    Recovery of Muscle Function after BTX Reverse Agent
    DelNova Jul 1, 2017 - Dec 31, 2018
    Role: PI
    The Physiological Basis of Rotator Cuff Muscle Rehabilitation
    NIH/NICHD R01HD073180May 1, 2013 - Apr 30, 2018
    Role: Principal Investigator

    Collapse ORNG Applications 
    Collapse Clinical Trials
    Collapse Featured Publications
    Collapse Websites

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
    List All   |   Timeline
    1. Shahidi B, Fisch KM, Gibbons MC, Ward SR. Increased Fibrogenic Gene Expression in Multifidus Muscles of Patients with Chronic Versus Acute Lumbar Spine Pathology. Spine (Phila Pa 1976). 2019 Sep 10. PMID: 31513095.
      View in: PubMed
    2. Berry DB, Padwal J, Johnson S, Englund EK, Ward SR, Shahidi B. The effect of high-intensity resistance exercise on lumbar musculature in patients with low back pain: a preliminary study. BMC Musculoskelet Disord. 2019 Jun 18; 20(1):290. PMID: 31208400.
      View in: PubMed
    3. Onodera K, Berry DB, Shahidi B, Kelly KR, Ward SR. Intervertebral disc kinematics in active duty Marines with and without lumbar spine pathology. JOR Spine. 2019 Jun; 2(2):e1057. PMID: 31463467.
      View in: PubMed
    4. Shahidi B, Ward SR. Selective Fatty Replacement of Paraspinal Muscles in Facioscapulohumeral Muscular Dystrophy. J Orthop Sports Phys Ther. 2019 Jun; 49(6):483. PMID: 31151375.
      View in: PubMed
    5. Blondelle J, Marrocco V, Clark M, Desmond P, Myers S, Nguyen J, Wright M, Bremner S, Pierantozzi E, Ward S, Estève E, Sorrentino V, Ghassemian M, Lange S. Murine obscurin and Obsl1 have functionally redundant roles in sarcolemmal integrity, sarcoplasmic reticulum organization, and muscle metabolism. Commun Biol. 2019; 2:178. PMID: 31098411.
      View in: PubMed
    6. Berry DB, Hernandez A, Onodera K, Ingram N, Ward SR, Gombatto SP. Lumbar spine angles and intervertebral disc characteristics with end-range positions in three planes of motion in healthy people using upright MRI. J Biomech. 2019 May 24; 89:95-104. PMID: 31047693.
      View in: PubMed
    7. Duran P, Ward S, Christman KL, Alperin M. Mechanical impact of parturition-related strains on rat pelvic striated sphincters. Neurourol Urodyn. 2019 Mar; 38(3):912-919. PMID: 30779377.
      View in: PubMed
    8. Berry DB, Shahidi B, Rodríguez-Soto AE, Hughes-Austin JM, Kelly KR, Ward SR. Lumbar Muscle Structure Predicts Operational Postures in Active-Duty Marines. J Orthop Sports Phys Ther. 2018 08; 48(8):613-621. PMID: 29772956.
      View in: PubMed
    9. Berry DB, Padwal J, Johnson S, Parra CL, Ward SR, Shahidi B. Methodological considerations in region of interest definitions for paraspinal muscles in axial MRIs of the lumbar spine. BMC Musculoskelet Disord. 2018 May 07; 19(1):135. PMID: 29734942.
      View in: PubMed
    10. Wetherell JL, Bower ES, Johnson K, Chang DG, Ward SR, Petkus AJ. Integrated Exposure Therapy and Exercise Reduces Fear of Falling and Avoidance in Older Adults: A Randomized Pilot Study. Am J Geriatr Psychiatry. 2018 08; 26(8):849-859. PMID: 29754811.
      View in: PubMed
    11. Gibbons MC, Fisch KM, Pichika R, Cheng T, Engler AJ, Schenk S, Lane JG, Singh A, Ward SR. Heterogeneous muscle gene expression patterns in patients with massive rotator cuff tears. PLoS One. 2018; 13(1):e0190439. PMID: 29293645.
      View in: PubMed
    12. Son J, Indresano A, Sheppard K, Ward SR, Lieber RL. Intraoperative and biomechanical studies of human vastus lateralis and vastus medialis sarcomere length operating range. J Biomech. 2018 01 23; 67:91-97. PMID: 29258751.
      View in: PubMed
    13. Shahidi B, Shah SB, Esparza M, Head BP, Ward SR. Skeletal Muscle Atrophy and Degeneration in a Mouse Model of Traumatic Brain Injury. J Neurotrauma. 2018 01 15; 35(2):398-401. PMID: 28895461.
      View in: PubMed
    14. Berry DB, Regner B, Galinsky V, Ward SR, Frank LR. Relationships between tissue microstructure and the diffusion tensor in simulated skeletal muscle. Magn Reson Med. 2018 07; 80(1):317-329. PMID: 29090480.
      View in: PubMed
    15. Mukund K, Ward SR, Lieber RL, Subramaniam S. Co-Expression Network Approach to Studying the Effects of Botulinum Neurotoxin-A. IEEE/ACM Trans Comput Biol Bioinform. 2018 Nov-Dec; 15(6):2009-2016. PMID: 29053464.
      View in: PubMed
    16. Flippin M, Harris J, Paxton EW, Prentice HA, Fithian DC, Ward SR, Gombatto SP. Effect of body mass index on patient outcomes of surgical intervention for the lumbar spine. J Spine Surg. 2017 Sep; 3(3):349-357. PMID: 29057342.
      View in: PubMed
    17. Gibbons MC, Singh A, Engler AJ, Ward SR. The role of mechanobiology in progression of rotator cuff muscle atrophy and degeneration. J Orthop Res. 2018 02; 36(2):546-556. PMID: 28755470.
      View in: PubMed
    18. Ward SR, Minamoto VB, Suzuki KP, Hulst JB, Bremner SN, Lieber RL. Recovery of rat muscle size but not function more than 1 year after a single botulinum toxin injection. Muscle Nerve. 2018 03; 57(3):435-441. PMID: 28556093.
      View in: PubMed
    19. Shahidi B, Hubbard JC, Gibbons MC, Ruoss S, Zlomislic V, Allen RT, Garfin SR, Ward SR. Lumbar multifidus muscle degenerates in individuals with chronic degenerative lumbar spine pathology. J Orthop Res. 2017 12; 35(12):2700-2706. PMID: 28480978.
      View in: PubMed
    20. Shahidi B, Parra CL, Berry DB, Hubbard JC, Gombatto S, Zlomislic V, Allen RT, Hughes-Austin J, Garfin S, Ward SR. Contribution of Lumbar Spine Pathology and Age to Paraspinal Muscle Size and Fatty Infiltration. Spine (Phila Pa 1976). 2017 Apr 15; 42(8):616-623. PMID: 27517512.
      View in: PubMed
    21. Berry DB, You S, Warner J, Frank LR, Chen S, Ward SR. * A 3D Tissue-Printing Approach for Validation of Diffusion Tensor Imaging in Skeletal Muscle. Tissue Eng Part A. 2017 09; 23(17-18):980-988. PMID: 28338417.
      View in: PubMed
    22. Rodríguez-Soto AE, Berry DB, Palombo L, Valaik E, Kelly KR, Ward SR. Effect of Load Magnitude and Distribution on Lumbar Spine Posture in Active-duty Marines. Spine (Phila Pa 1976). 2017 Mar; 42(5):345-351. PMID: 27310023.
      View in: PubMed
    23. Gibbons MC, Singh A, Anakwenze O, Cheng T, Pomerantz M, Schenk S, Engler AJ, Ward SR. Histological Evidence of Muscle Degeneration in Advanced Human Rotator Cuff Disease. J Bone Joint Surg Am. 2017 Feb 01; 99(3):190-199. PMID: 28145949.
      View in: PubMed
    24. Berry DB, Rodríguez-Soto AE, Su J, Gombatto SP, Shahidi B, Palombo L, Chung C, Jensen A, Kelly KR, Ward SR. Lumbar spine postures in Marines during simulated operational positions. J Orthop Res. 2017 10; 35(10):2145-2153. PMID: 28052435.
      View in: PubMed
    25. Rodriguez-Soto AE, Berry DB, Jaworski R, Jensen A, Chung CB, Niederberger B, Qadir A, Kelly KR, Ward SR. The effect of training on lumbar spine posture and intervertebral disc degeneration in active-duty Marines. Ergonomics. 2017 Aug; 60(8):1055-1063. PMID: 27788619.
      View in: PubMed
    26. Thomas KA, Gibbons MC, Lane JG, Singh A, Ward SR, Engler AJ. Rotator cuff tear state modulates self-renewal and differentiation capacity of human skeletal muscle progenitor cells. J Orthop Res. 2017 08; 35(8):1816-1823. PMID: 27699827.
      View in: PubMed
    27. Foran I, Vaz K, Sikora-Klak J, Ward SR, Hentzen ER, Shah SB. Regional Ulnar Nerve Strain Following Decompression and Anterior Subcutaneous Transposition in Patients With Cubital Tunnel Syndrome. J Hand Surg Am. 2016 Oct; 41(10):e343-e350. PMID: 27527251.
      View in: PubMed
    28. Go SA, Jensen ER, O'Connor SM, Evertz LQ, Morrow DA, Ward SR, Lieber RL, Kaufman KR. Design Considerations of a Fiber Optic Pressure Sensor Protective Housing for Intramuscular Pressure Measurements. Ann Biomed Eng. 2017 03; 45(3):739-746. PMID: 27495350.
      View in: PubMed
    29. Gibbons MC, Sato EJ, Bachasson D, Cheng T, Azimi H, Schenk S, Engler AJ, Singh A, Ward SR. Muscle architectural changes after massive human rotator cuff tear. J Orthop Res. 2016 12; 34(12):2089-2095. PMID: 27061583.
      View in: PubMed
    30. O'Connor SM, Cheng EJ, Young KW, Ward SR, Lieber RL. Quantification of sarcomere length distribution in whole muscle frozen sections. J Exp Biol. 2016 05 15; 219(Pt 10):1432-6. PMID: 26994184.
      View in: PubMed
    31. Meyer GA, Ward SR. Developmental Biology and Regenerative Medicine: Addressing the Vexing Problem of Persistent Muscle Atrophy in the Chronically Torn Human Rotator Cuff. Phys Ther. 2016 May; 96(5):722-33. PMID: 26847008.
      View in: PubMed
    32. Wetherell JL, Johnson K, Chang D, Ward SR, Bower ES, Merz C, Petkus AJ. Activity, balance, learning, and exposure (ABLE): a new intervention for fear of falling. Int J Geriatr Psychiatry. 2016 07; 31(7):791-8. PMID: 26729564.
      View in: PubMed
    33. Thompson WR, Scott A, Loghmani MT, Ward SR, Warden SJ. Understanding Mechanobiology: Physical Therapists as a Force in Mechanotherapy and Musculoskeletal Regenerative Rehabilitation. Phys Ther. 2016 Apr; 96(4):560-9. PMID: 26637643.
      View in: PubMed
    34. Rana SH, Farjoodi P, Haloman S, Dutton P, Hariri A, Ward SR, Garfin SR, Chang DG. Anatomic Evaluation of the Sacroiliac Joint: A Radiographic Study with Implications for Procedures. Pain Physician. 2015 Nov; 18(6):583-92. PMID: 26606010.
      View in: PubMed
    35. Cho Y, Hazen BC, Gandra PG, Ward SR, Schenk S, Russell AP, Kralli A. Perm1 enhances mitochondrial biogenesis, oxidative capacity, and fatigue resistance in adult skeletal muscle. FASEB J. 2016 Feb; 30(2):674-87. PMID: 26481306.
      View in: PubMed
    36. Killian ML, Cavinatto LM, Ward SR, Havlioglu N, Thomopoulos S, Galatz LM. Chronic Degeneration Leads to Poor Healing of Repaired Massive Rotator Cuff Tears in Rats. Am J Sports Med. 2015 Oct; 43(10):2401-10. PMID: 26297522.
      View in: PubMed
    37. Bachasson D, Singh A, Shah SB, Lane JG, Ward SR. The role of the peripheral and central nervous systems in rotator cuff disease. J Shoulder Elbow Surg. 2015 Aug; 24(8):1322-35. PMID: 26189809.
      View in: PubMed
    38. Berry DB, Rodríguez-Soto AE, Tokunaga JR, Gombatto SP, Ward SR. An Endplate-Based Joint Coordinate System for Measuring Kinematics in Normal and Abnormally-Shaped Lumbar Vertebrae. J Appl Biomech. 2015 Dec; 31(6):499-503. PMID: 26157107.
      View in: PubMed
    39. Minamoto VB, Suzuki KP, Bremner SN, Lieber RL, Ward SR. Dramatic changes in muscle contractile and structural properties after 2 botulinum toxin injections. Muscle Nerve. 2015 Oct; 52(4):649-57. PMID: 25598004.
      View in: PubMed
    40. Meyer GA, Gibbons MC, Sato E, Lane JG, Ward SR, Engler AJ. Epimuscular Fat in the Human Rotator Cuff Is a Novel Beige Depot. Stem Cells Transl Med. 2015 Jul; 4(7):764-74. PMID: 25999520.
      View in: PubMed
    41. Sato EJ, Killian ML, Choi AJ, Lin E, Choo AD, Rodriguez-Soto AE, Lim CT, Thomopoulos S, Galatz LM, Ward SR. Architectural and biochemical adaptations in skeletal muscle and bone following rotator cuff injury in a rat model. J Bone Joint Surg Am. 2015 Apr 01; 97(7):565-73. PMID: 25834081.
      View in: PubMed
    42. Meyer GA, Farris AL, Sato E, Gibbons M, Lane JG, Ward SR, Engler AJ. Muscle progenitor cell regenerative capacity in the torn rotator cuff. J Orthop Res. 2015 Mar; 33(3):421-9. PMID: 25410765.
      View in: PubMed
    43. Silldorff MD, Choo AD, Choi AJ, Lin E, Carr JA, Lieber RL, Lane JG, Ward SR. Effect of supraspinatus tendon injury on supraspinatus and infraspinatus muscle passive tension and associated biochemistry. J Bone Joint Surg Am. 2014 Oct 15; 96(20):e175. PMID: 25320205.
      View in: PubMed
    44. Mathewson MA, Ward SR, Chambers HG, Lieber RL. High resolution muscle measurements provide insights into equinus contractures in patients with cerebral palsy. J Orthop Res. 2015 Jan; 33(1):33-9. PMID: 25242618.
      View in: PubMed
    45. Choo A, McCarthy M, Pichika R, Sato EJ, Lieber RL, Schenk S, Lane JG, Ward SR. Muscle gene expression patterns in human rotator cuff pathology. J Bone Joint Surg Am. 2014 Sep 17; 96(18):1558-65. PMID: 25232080.
      View in: PubMed
    46. Alperin M, Tuttle LJ, Conner BR, Dixon DM, Mathewson MA, Ward SR, Lieber RL. Comparison of pelvic muscle architecture between humans and commonly used laboratory species. Int Urogynecol J. 2014 Nov; 25(11):1507-15. PMID: 24915840.
      View in: PubMed
    47. Swan MA, Sato E, Galatz LM, Thomopoulos S, Ward SR. The effect of age on rat rotator cuff muscle architecture. J Shoulder Elbow Surg. 2014 Dec; 23(12):1786-1791. PMID: 24878035.
      View in: PubMed
    48. Sato EJ, Killian ML, Choi AJ, Lin E, Esparza MC, Galatz LM, Thomopoulos S, Ward SR. Skeletal muscle fibrosis and stiffness increase after rotator cuff tendon injury and neuromuscular compromise in a rat model. J Orthop Res. 2014 Sep; 32(9):1111-6. PMID: 24838823.
      View in: PubMed
    49. Mukund K, Mathewson M, Minamoto V, Ward SR, Subramaniam S, Lieber RL. Systems analysis of transcriptional data provides insights into muscle's biological response to botulinum toxin. Muscle Nerve. 2014 Nov; 50(5):744-58. PMID: 24536034.
      View in: PubMed
    50. Hulst JB, Minamoto VB, Lim MB, Bremner SN, Ward SR, Lieber RL. Systematic test of neurotoxin dose and volume on muscle function in a rat model. Muscle Nerve. 2014 May; 49(5):709-15. PMID: 23929710.
      View in: PubMed
    51. Killian ML, Cavinatto L, Shah SA, Sato EJ, Ward SR, Havlioglu N, Galatz LM, Thomopoulos S. The effects of chronic unloading and gap formation on tendon-to-bone healing in a rat model of massive rotator cuff tears. J Orthop Res. 2014 Mar; 32(3):439-47. PMID: 24243733.
      View in: PubMed
    52. Cheuy VA, Hastings MK, Commean PK, Ward SR, Mueller MJ. Intrinsic foot muscle deterioration is associated with metatarsophalangeal joint angle in people with diabetes and neuropathy. Clin Biomech (Bristol, Avon). 2013 Nov-Dec; 28(9-10):1055-60. PMID: 24176198.
      View in: PubMed
    53. Mathewson MA, Kwan A, Eng CM, Lieber RL, Ward SR. Comparison of rotator cuff muscle architecture between humans and other selected vertebrate species. J Exp Biol. 2014 Jan 15; 217(Pt 2):261-73. PMID: 24072803.
      View in: PubMed
    54. Tuttle LJ, Nguyen OT, Cook MS, Alperin M, Shah SB, Ward SR, Lieber RL. Architectural design of the pelvic floor is consistent with muscle functional subspecialization. Int Urogynecol J. 2014 Feb; 25(2):205-12. PMID: 23903821.
      View in: PubMed
    55. Lieber RL, Ward SR. Cellular mechanisms of tissue fibrosis. 4. Structural and functional consequences of skeletal muscle fibrosis. Am J Physiol Cell Physiol. 2013 Aug 01; 305(3):C241-52. PMID: 23761627.
      View in: PubMed
    56. Rodríguez-Soto AE, Jaworski R, Jensen A, Niederberger B, Hargens AR, Frank LR, Kelly KR, Ward SR. Effect of load carriage on lumbar spine kinematics. Spine (Phila Pa 1976). 2013 Jun 01; 38(13):E783-91. PMID: 23524870.
      View in: PubMed
    57. Malhotra N, Madison SJ, Ward SR, Mariano ER, Loland VJ, Ilfeld BM. Continuous interscalene nerve block following adhesive capsulitis manipulation. Reg Anesth Pain Med. 2013 Mar-Apr; 38(2):171-2. PMID: 23423135.
      View in: PubMed
    58. Charles MD, Haloman S, Chen L, Ward SR, Fithian D, Afra R. Magnetic resonance imaging-based topographical differences between control and recurrent patellofemoral instability patients. Am J Sports Med. 2013 Feb; 41(2):374-84. PMID: 23371940.
      View in: PubMed
    59. Tirrell TF, Cook MS, Carr JA, Lin E, Ward SR, Lieber RL. Human skeletal muscle biochemical diversity. J Exp Biol. 2012 Aug 01; 215(Pt 15):2551-9. PMID: 22786631.
      View in: PubMed
    60. Tuttle LJ, Ward SR, Lieber RL. Sample size considerations in human muscle architecture studies. Muscle Nerve. 2012 May; 45(5):742-5. PMID: 22499104.
      View in: PubMed
    61. Takahashi M, Ward SR, Fridén J, Lieber RL. Muscle excursion does not correlate with increased serial sarcomere number after muscle adaptation to stretched tendon transfer. J Orthop Res. 2012 Nov; 30(11):1774-80. PMID: 22532301.
      View in: PubMed
    62. Wagner FV, Negrão JR, Campos J, Ward SR, Haghighi P, Trudell DJ, Resnick D. Capsular ligaments of the hip: anatomic, histologic, and positional study in cadaveric specimens with MR arthrography. Radiology. 2012 Apr; 263(1):189-98. PMID: 22371607.
      View in: PubMed
    63. Lieber R, Ward S, Frank L, Schenk S. New opportunities and novel paradigms to support neuromuscular research. Phys Med Rehabil Clin N Am. 2012 Feb; 23(1):95-105, xi. PMID: 22239877.
      View in: PubMed
    64. Brown SH, Carr JA, Ward SR, Lieber RL. Passive mechanical properties of rat abdominal wall muscles suggest an important role of the extracellular connective tissue matrix. J Orthop Res. 2012 Aug; 30(8):1321-6. PMID: 22267257.
      View in: PubMed
    65. Foran JR, Sheth NP, Ward SR, Della Valle CJ, Levine BR, Sporer SM, Paprosky WG. Patient perception of physician reimbursement in elective total hip and knee arthroplasty. J Arthroplasty. 2012 May; 27(5):703-9. PMID: 22245124.
      View in: PubMed
    66. Derkacs AD, Ward SR, Lieber RL. The use of neural networks and texture analysis for rapid objective selection of regions of interest in cytoskeletal images. Microsc Microanal. 2012 Feb; 18(1):115-22. PMID: 22236365.
      View in: PubMed
    67. Regev GJ, Kim CW, Tomiya A, Lee YP, Ghofrani H, Garfin SR, Lieber RL, Ward SR. Psoas muscle architectural design, in vivo sarcomere length range, and passive tensile properties support its role as a lumbar spine stabilizer. Spine (Phila Pa 1976). 2011 Dec 15; 36(26):E1666-74. PMID: 21415810.
      View in: PubMed
    68. Fridén J, Reinholdt C, Gohritz A, Peace WJ, Ward SR, Lieber RL. Simultaneous powering of forearm pronation and key pinch in tetraplegia using a single muscle-tendon unit. J Hand Surg Eur Vol. 2012 May; 37(4):323-8. PMID: 22048805.
      View in: PubMed
    69. Brown SH, Gregory DE, Carr JA, Ward SR, Masuda K, Lieber RL. ISSLS prize winner: Adaptations to the multifidus muscle in response to experimentally induced intervertebral disc degeneration. Spine (Phila Pa 1976). 2011 Oct 01; 36(21):1728-36. PMID: 21301396.
      View in: PubMed
    70. Thacker BE, Tomiya A, Hulst JB, Suzuki KP, Bremner SN, Gastwirt RF, Greaser ML, Lieber RL, Ward SR. Passive mechanical properties and related proteins change with botulinum neurotoxin A injection of normal skeletal muscle. J Orthop Res. 2012 Mar; 30(3):497-502. PMID: 21853457.
      View in: PubMed
    71. Lieber RL, Ward SR. Skeletal muscle design to meet functional demands. Philos Trans R Soc Lond B Biol Sci. 2011 May 27; 366(1570):1466-76. PMID: 21502118.
      View in: PubMed
    72. Smith LR, Lee KS, Ward SR, Chambers HG, Lieber RL. Hamstring contractures in children with spastic cerebral palsy result from a stiffer extracellular matrix and increased in vivo sarcomere length. J Physiol. 2011 May 15; 589(Pt 10):2625-39. PMID: 21486759.
      View in: PubMed
    73. Brown SH, Ward SR, Cook MS, Lieber RL. Architectural analysis of human abdominal wall muscles: implications for mechanical function. Spine (Phila Pa 1976). 2011 Mar 01; 36(5):355-62. PMID: 21325932.
      View in: PubMed
    74. Teixeira PA, Omoumi P, Trudell DJ, Ward SR, Lecocq S, Blum A, Resnick DL. Ultrasound assessment of the lateral collateral ligamentous complex of the elbow: imaging aspects in cadavers and normal volunteers. Eur Radiol. 2011 Jul; 21(7):1492-8. PMID: 21318472.
      View in: PubMed
    75. Winters TM, Takahashi M, Lieber RL, Ward SR. Whole muscle length-tension relationships are accurately modeled as scaled sarcomeres in rabbit hindlimb muscles. J Biomech. 2011 Jan 04; 44(1):109-15. PMID: 20889156.
      View in: PubMed
    76. Gondim Teixeira PA, Omoumi P, Trudell DJ, Ward SR, Blum A, Resnick DL. High-resolution ultrasound evaluation of the trapeziometacarpal joint with emphasis on the anterior oblique ligament (beak ligament). Skeletal Radiol. 2011 Jul; 40(7):897-904. PMID: 21120474.
      View in: PubMed
    77. Ward SR, Sarver JJ, Eng CM, Kwan A, Würgler-Hauri CC, Perry SM, Williams GR, Soslowsky LJ, Lieber RL. Plasticity of muscle architecture after supraspinatus tears. J Orthop Sports Phys Ther. 2010 Nov; 40(11):729-35. PMID: 20710096.
      View in: PubMed
    78. Fridén J, Shillito MC, Chehab EF, Finneran JJ, Ward SR, Lieber RL. Mechanical feasibility of immediate mobilization of the brachioradialis muscle after tendon transfer. J Hand Surg Am. 2010 Sep; 35(9):1473-8. PMID: 20709465.
      View in: PubMed
    79. Brown SH, Banuelos K, Ward SR, Lieber RL. Architectural and morphological assessment of rat abdominal wall muscles: comparison for use as a human model. J Anat. 2010 Sep; 217(3):196-202. PMID: 20646108.
      View in: PubMed
    80. Regev GJ, Kim CW, Thacker BE, Tomiya A, Garfin SR, Ward SR, Lieber RL. Regional Myosin heavy chain distribution in selected paraspinal muscles. Spine (Phila Pa 1976). 2010 Jun 01; 35(13):1265-70. PMID: 20461040.
      View in: PubMed
    81. Brown SH, Hentzen ER, Kwan A, Ward SR, Fridén J, Lieber RL. Mechanical strength of the side-to-side versus Pulvertaft weave tendon repair. J Hand Surg Am. 2010 Apr; 35(4):540-5. PMID: 20223604.
      View in: PubMed
    82. Takahashi M, Ward SR, Marchuk LL, Frank CB, Lieber RL. Asynchronous muscle and tendon adaptation after surgical tensioning procedures. J Bone Joint Surg Am. 2010 Mar; 92(3):664-74. PMID: 20194325.
      View in: PubMed
    83. Ward SR, Winters TM, Blemker SS. The architectural design of the gluteal muscle group: implications for movement and rehabilitation. J Orthop Sports Phys Ther. 2010 Feb; 40(2):95-102. PMID: 20118527.
      View in: PubMed
    84. Meyer GA, Kiss B, Ward SR, Morgan DL, Kellermayer MS, Lieber RL. Theoretical predictions of the effects of force transmission by desmin on intersarcomere dynamics. Biophys J. 2010 Jan 20; 98(2):258-66. PMID: 20338847.
      View in: PubMed
    85. Arnold EM, Ward SR, Lieber RL, Delp SL. A model of the lower limb for analysis of human movement. Ann Biomed Eng. 2010 Feb; 38(2):269-79. PMID: 19957039.
      View in: PubMed
    86. Eng CM, Ward SR, Vinyard CJ, Taylor AB. The morphology of the masticatory apparatus facilitates muscle force production at wide jaw gapes in tree-gouging common marmosets (Callithrix jacchus). J Exp Biol. 2009 Dec; 212(Pt 24):4040-55. PMID: 19946083.
      View in: PubMed
    87. Smith LR, Pontén E, Hedström Y, Ward SR, Chambers HG, Subramaniam S, Lieber RL. Novel transcriptional profile in wrist muscles from cerebral palsy patients. BMC Med Genomics. 2009 Jul 14; 2:44. PMID: 19602279.
      View in: PubMed
    88. Winters TM, Sepulveda GS, Cottler PS, Kaufman KR, Lieber RL, Ward SR. Correlation between isometric force and intramuscular pressure in rabbit tibialis anterior muscle with an intact anterior compartment. Muscle Nerve. 2009 Jul; 40(1):79-85. PMID: 19533654.
      View in: PubMed
    89. Ward SR, Tomiya A, Regev GJ, Thacker BE, Benzl RC, Kim CW, Lieber RL. Passive mechanical properties of the lumbar multifidus muscle support its role as a stabilizer. J Biomech. 2009 Jul 22; 42(10):1384-9. PMID: 19457491.
      View in: PubMed
    90. Ward SR, Kim CW, Eng CM, Gottschalk LJ, Tomiya A, Garfin SR, Lieber RL. Architectural analysis and intraoperative measurements demonstrate the unique design of the multifidus muscle for lumbar spine stability. J Bone Joint Surg Am. 2009 Jan; 91(1):176-85. PMID: 19122093.
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    91. Ward SR, Takahashi M, Winters TM, Kwan A, Lieber RL. A novel muscle biopsy clamp yields accurate in vivo sarcomere length values. J Biomech. 2009 Jan 19; 42(2):193-6. PMID: 19036376.
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    92. Ward SR, Eng CM, Smallwood LH, Lieber RL. Are current measurements of lower extremity muscle architecture accurate? Clin Orthop Relat Res. 2009 Apr; 467(4):1074-82. PMID: 18972175.
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    93. Eng CM, Smallwood LH, Rainiero MP, Lahey M, Ward SR, Lieber RL. Scaling of muscle architecture and fiber types in the rat hindlimb. J Exp Biol. 2008 Jul; 211(Pt 14):2336-45. PMID: 18587128.
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    94. Gokhin DS, Ward SR, Bremner SN, Lieber RL. Quantitative analysis of neonatal skeletal muscle functional improvement in the mouse. J Exp Biol. 2008 Mar; 211(Pt 6):837-43. PMID: 18310108.
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    95. Ward SR, Jones RE, Long WT, Thomas DJ, Dorr LD. Functional recovery of muscles after minimally invasive total hip arthroplasty. Instr Course Lect. 2008; 57:249-54. PMID: 18399587.
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    96. Minamoto VB, Hulst JB, Lim M, Peace WJ, Bremner SN, Ward SR, Lieber RL. Increased efficacy and decreased systemic-effects of botulinum toxin A injection after active or passive muscle manipulation. Dev Med Child Neurol. 2007 Dec; 49(12):907-14. PMID: 18039237.
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    97. Ward SR, Davis J, Kaufman KR, Lieber RL. Relationship between muscle stress and intramuscular pressure during dynamic muscle contractions. Muscle Nerve. 2007 Sep; 36(3):313-9. PMID: 17554796.
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    98. Ward SR, Terk MR, Powers CM. Patella alta: association with patellofemoral alignment and changes in contact area during weight-bearing. J Bone Joint Surg Am. 2007 Aug; 89(8):1749-55. PMID: 17671014.
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    99. Eng CM, Abrams GD, Smallwood LR, Lieber RL, Ward SR. Muscle geometry affects accuracy of forearm volume determination by magnetic resonance imaging (MRI). J Biomech. 2007; 40(14):3261-6. PMID: 17521657.
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    100. Takahashi M, Ward SR, Lieber RL. Intraoperative single-site sarcomere length measurement accurately reflects whole-muscle sarcomere length in the rabbit. J Hand Surg Am. 2007 May-Jun; 32(5):612-7. PMID: 17481997.
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    101. Boakes JL, Foran J, Ward SR, Lieber RL. Muscle adaptation by serial sarcomere addition 1 year after femoral lengthening. Clin Orthop Relat Res. 2007 Mar; 456:250-3. PMID: 17065842.
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    102. Ota S, Ward SR, Chen YJ, Tsai YJ, Powers CM. Concurrent criterion-related validity and reliability of a clinical device used to assess lateral patellar displacement. J Orthop Sports Phys Ther. 2006 Sep; 36(9):645-52. PMID: 17017269.
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    103. Fridén J, Ward SR, Smallwood L, Lieber RL. Passive muscle-tendon amplitude may not reflect skeletal muscle functional excursion. J Hand Surg Am. 2006 Sep; 31(7):1105-10. PMID: 16945711.
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    104. Ward SR, Loren GJ, Lundberg S, Lieber RL. High stiffness of human digital flexor tendons is suited for precise finger positional control. J Neurophysiol. 2006 Nov; 96(5):2815-8. PMID: 16870841.
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    105. Ward SR, Hentzen ER, Smallwood LH, Eastlack RK, Burns KA, Fithian DC, Friden J, Lieber RL. Rotator cuff muscle architecture: implications for glenohumeral stability. Clin Orthop Relat Res. 2006 Jul; 448:157-63. PMID: 16826111.
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    106. Ward SR, Peace WJ, Fridén J, Lieber RL. Dorsal transfer of the brachioradialis to the flexor pollicis longus enables simultaneous powering of key pinch and forearm pronation. J Hand Surg Am. 2006 Jul-Aug; 31(6):993-7. PMID: 16843162.
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    107. Long WT, Ward SR, Dorr LD, Raya J, Boutary M, Sirianni LE. Postoperative pain management following total knee arthroplasty: a randomized comparison of continuous epidural versus femoral nerve infusion. J Knee Surg. 2006 Apr; 19(2):137-43. PMID: 16642893.
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    108. Felder A, Ward SR, Lieber RL. Sarcomere length measurement permits high resolution normalization of muscle fiber length in architectural studies. J Exp Biol. 2005 Sep; 208(Pt 17):3275-9. PMID: 16109889.
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    109. Abrams GD, Ward SR, Fridén J, Lieber RL. Pronator teres is an appropriate donor muscle for restoration of wrist and thumb extension. J Hand Surg Am. 2005 Sep; 30(5):1068-73. PMID: 16182069.
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    110. Ward SR, Terk MR, Powers CM. Influence of patella alta on knee extensor mechanics. J Biomech. 2005 Dec; 38(12):2415-22. PMID: 16214489.
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    111. Ward SR, Lieber RL. Density and hydration of fresh and fixed human skeletal muscle. J Biomech. 2005 Nov; 38(11):2317-20. PMID: 16154420.
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    112. Ward SR, Powers CM. The influence of patella alta on patellofemoral joint stress during normal and fast walking. Clin Biomech (Bristol, Avon). 2004 Dec; 19(10):1040-7. PMID: 15531054.
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    113. Powers CM, Ward SR, Chen YJ, Chan LD, Terk MR. Effect of bracing on patellofemoral joint stress while ascending and descending stairs. Clin J Sport Med. 2004 Jul; 14(4):206-14. PMID: 15273526.
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    114. Powers CM, Ward SR, Chan LD, Chen YJ, Terk MR. The effect of bracing on patella alignment and patellofemoral joint contact area. Med Sci Sports Exerc. 2004 Jul; 36(7):1226-32. PMID: 15235330.
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    115. Powers CM, Ward SR, Chen YJ, Chan LD, Terk MR. The effect of bracing on patellofemoral joint stress during free and fast walking. Am J Sports Med. 2004 Jan-Feb; 32(1):224-31. PMID: 14754748.
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    116. Salsich GB, Ward SR, Terk MR, Powers CM. In vivo assessment of patellofemoral joint contact area in individuals who are pain free. Clin Orthop Relat Res. 2003 Dec; (417):277-84. PMID: 14646727.
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    117. Heino Brechter J, Powers CM, Terk MR, Ward SR, Lee TQ. Quantification of patellofemoral joint contact area using magnetic resonance imaging. Magn Reson Imaging. 2003 Nov; 21(9):955-9. PMID: 14684196.
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    118. Powers CM, Ward SR, Fredericson M, Guillet M, Shellock FG. Patellofemoral kinematics during weight-bearing and non-weight-bearing knee extension in persons with lateral subluxation of the patella: a preliminary study. J Orthop Sports Phys Ther. 2003 Nov; 33(11):677-85. PMID: 14669963.
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    119. Ward SR, Shellock FG, Terk MR, Salsich GB, Powers CM. Assessment of patellofemoral relationships using kinematic MRI: comparison between qualitative and quantitative methods. J Magn Reson Imaging. 2002 Jul; 16(1):69-74. PMID: 12112505.
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