Susan Sigward, PhD

Title(s)Associate Professor Of Research Physical Therapy
SchoolHerman Ostrow School of Dentistry of Usc
AddressCHP 155
Health Sciences Campus
Los Angeles CA 90089-9006
Phone+1 323 442 2454
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    Dr. Sigward is an Assistant Professor of Clinical PT. Dr. Sigward is an Athletic Trainer and Physical Therapist. Her teaching responsibilities include Musculoskeletal Anatomy and Orthopedic Pathology. Dr. Sigward is the Director of the USC Community Health and Wellness Research Center at CATZ. The Center is a collaborative project between the University of Southern California’s Division of Biokinesiology and Physical Therapy and the Competitive Athletic Training Zone, Physical Therapy Institute and Sports Performance Center in Pasadena, California. When completed, it will house state of the art biomechanics and exercise physiology research laboratories, dedicated to enhance the physical well-being and quality of life through activity.

    Dr. Sigward’s studies abnormal movement patterns related to lower extremity injury and the factors that contribute to their development. In particular, the contribution of experience, age, training and sex to the development of movement strategies that may contribute to knee injuries. Her current research efforts are focused on the identification of factors contributing to anterior cruciate ligament (ACL) injuries in female athletes. Information obtained from this research will be useful in the development of effective injury prevention and rehabilitation protocols.
    Dr. Sigward currently serves as a member of the Orthopedic, Research and Sports Sections of the American Physical Therapy Association (APTA) and the Chair of the California Research Special Interest Group in the California Chapter of the APTA. In addition, she is a member of the National Athletic Trainer’s Association, American Society of Biomechanics, American College of Sports Medicine, North American Society for the Psychology of Sport and Physical Activity and American Alliance for Health, Physical Education, Recreation and Dance.

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    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. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Editorial: Neuromuscular diagnostics and sensorimotor performance in training and therapy - beyond the pure biomechanical approach. Front Sports Act Living. 2023; 5:1296276. Baur H, Pairot De Fontenay B, Sigward S. PMID: 37877117; PMCID: PMC10593435.
      View in: PubMed   Mentions:
    2. Prioritizing limb loading improves symmetry during dual-tasking in individuals following anterior cruciate ligament reconstruction. Front Sports Act Living. 2023; 5:1090694. Chan MS, Sigward S. PMID: 36926619; PMCID: PMC10011646.
      View in: PubMed   Mentions: 1  
    3. Individuals following anterior cruciate ligament reconstruction practice underloading strategies during daily activity. J Orthop Res. 2022 03; 40(3):565-572. Chan MS, Sigward SM. PMID: 33913548.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    4. What goes up must come down, part II: Consequences of jump strategy modification on dance leap landing biomechanics. J Sports Sci. 2021 Feb; 39(4):446-452. Jarvis DN, Sigward SM, Lerch K, Kulig K. PMID: 32966154.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    5. Center of pressure predicts Intra-limb compensatory patterns that shift demands away from knee extensors during squatting. J Biomech. 2020 10 09; 111:110008. Chan MS, Sigward SM. PMID: 32927114; PMCID: PMC7561054.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    6. Influence of Hamstrings on Knee Moments During Loading Response of Gait in Individuals Following ACL Reconstruction. J Orthop Res. 2020 02; 38(2):378-386. Lin PE, Sigward SM. PMID: 31502699.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    7. Loading Behaviors Do Not Match Loading Abilities Postanterior Cruciate Ligament Reconstruction. Med Sci Sports Exerc. 2019 08; 51(8):1626-1634. Chan MS, Sigward SM. PMID: 30817719.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    8. Effect of repeated application of rigid tape on pain and mobility deficits associated with sacroiliac joint dysfunction. J Back Musculoskelet Rehabil. 2019; 32(3):487-496. Neamat Allah N, Sigward S, Mohamed G, Elhafez S, Emran I. PMID: 30584116.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    9. Subtle alterations in whole body mechanics during gait following anterior cruciate ligament reconstruction. Gait Posture. 2019 02; 68:494-499. Lin PE, Sigward SM. PMID: 30616179; PMCID: PMC6487884.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    10. Inertial Sensor Angular Velocities Reflect Dynamic Knee Loading during Single Limb Loading in Individuals Following Anterior Cruciate Ligament Reconstruction. Sensors (Basel). 2018 Oct 15; 18(10). Pratt KA, Sigward SM. PMID: 30326570; PMCID: PMC6210898.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    11. Contributors to knee loading deficits during gait in individuals following anterior cruciate ligament reconstruction. Gait Posture. 2018 10; 66:83-87. Lin PE, Sigward SM. PMID: 30170138; PMCID: PMC6170000.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    12. Detection of Knee Power Deficits Following Anterior Cruciate Ligament Reconstruction Using Wearable Sensors. J Orthop Sports Phys Ther. 2018 11; 48(11):895-902. Pratt KA, Sigward SM. PMID: 29996735.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    13. Accelerations from wearable accelerometers reflect knee loading during running after anterior cruciate ligament reconstruction. Clin Biomech (Bristol, Avon). 2018 10; 58:57-61. Havens KL, Cohen SC, Pratt KA, Sigward SM. PMID: 30029071.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    14. Compensatory Strategies That Reduce Knee Extensor Demand During a Bilateral Squat Change From 3 to 5 Months Following Anterior Cruciate Ligament Reconstruction. J Orthop Sports Phys Ther. 2018 09; 48(9):713-718. Sigward SM, Chan MM, Lin PE, Almansouri SY, Pratt KA. PMID: 29895231.
      View in: PubMed   Mentions: 20     Fields:    Translation:Humans
    15. National Athletic Trainers' Association Position Statement: Prevention of Anterior Cruciate Ligament Injury. J Athl Train. 2018 Jan; 53(1):5-19. Padua DA, DiStefano LJ, Hewett TE, Garrett WE, Marshall SW, Golden GM, Shultz SJ, Sigward SM. PMID: 29314903; PMCID: PMC5800728.
      View in: PubMed   Mentions: 58     Fields:    Translation:Humans
    16. ACL Injury Prevention Training Results in Modification of Hip and Knee Mechanics During a Drop-Landing Task. Orthop J Sports Med. 2017 Sep; 5(9):2325967117726267. Pollard CD, Sigward SM, Powers CM. PMID: 28959697; PMCID: PMC5593213.
      View in: PubMed   Mentions: 5  
    17. Knee Loading Deficits During Dynamic Tasks in Individuals Following Anterior Cruciate Ligament Reconstruction. J Orthop Sports Phys Ther. 2017 Jun; 47(6):411-419. Pratt KA, Sigward SM. PMID: 28499343.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    18. Lower-limb dynamics and clinical outcomes for habitually shod runners who transition to barefoot running. Phys Ther Sport. 2018 Jan; 29:93-100. Hashish R, Samarawickrame SD, Sigward S, Azen SP, Salem GJ. PMID: 28325673.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. Characterizing knee loading asymmetry in individuals following anterior cruciate ligament reconstruction using inertial sensors. Gait Posture. 2016 09; 49:114-119. Sigward SM, Chan MM, Lin PE. PMID: 27395452; PMCID: PMC5035204.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    20. Dynamic stability during running gait termination: Predictors for successful control of forward momentum in children and adults. Hum Mov Sci. 2016 Aug; 48:37-43. Cesar GM, Sigward SM. PMID: 27101563.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    21. Strength, Multijoint Coordination, and Sensorimotor Processing Are Independent Contributors to Overall Balance Ability. Biomed Res Int. 2015; 2015:561243. Lawrence EL, Cesar GM, Bromfield MR, Peterson R, Valero-Cuevas FJ, Sigward SM. PMID: 26665007; PMCID: PMC4668302.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    22. Knee loading asymmetries during gait and running in early rehabilitation following anterior cruciate ligament reconstruction: A longitudinal study. Clin Biomech (Bristol, Avon). 2016 Feb; 32:249-54. Sigward SM, Lin P, Pratt K. PMID: 26640045.
      View in: PubMed   Mentions: 23     Fields:    Translation:Humans
    23. Predictors of Frontal Plane Knee Moments During Side-Step Cutting to 45 and 110 Degrees in Men and Women: Implications for Anterior Cruciate Ligament Injury. Clin J Sport Med. 2015 Nov; 25(6):529-34. Sigward SM, Cesar GM, Havens KL. PMID: 25290102; PMCID: PMC4387120.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    24. Dynamic stability during running gait termination: Differences in strategies between children and adults to control forward momentum. Hum Mov Sci. 2015 Oct; 43:138-45. Cesar GM, Sigward SM. PMID: 26291766; PMCID: PMC4570872.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    25. Cutting mechanics: relation to performance and anterior cruciate ligament injury risk. Med Sci Sports Exerc. 2015 Apr; 47(4):818-24. Havens KL, Sigward SM. PMID: 25102291.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    26. Predicting daily gait behaviors after anterior cruciate ligament surgery: A case study. Annu Int Conf IEEE Eng Med Biol Soc. 2015; 2015:6752-5. Wade E, Lin P, Hemmati S, Sigward S. PMID: 26737843.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    27. Reliability of superficial male pelvic floor structural measurements using linear-array transperineal sonography. Ultrasound Med Biol. 2015 Feb; 41(2):610-7. Roll SC, Rana M, Sigward SM, Yani MS, Kirages DJ, Kutch JJ. PMID: 25444690; PMCID: PMC4297525.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    28. Joint and segmental mechanics differ between cutting maneuvers in skilled athletes. Gait Posture. 2015 Jan; 41(1):33-8. Havens KL, Sigward SM. PMID: 25194689.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    29. Whole body mechanics differ among running and cutting maneuvers in skilled athletes. Gait Posture. 2015 Sep; 42(3):240-5. Havens KL, Sigward SM. PMID: 25149902.
      View in: PubMed   Mentions: 24     Fields:    Translation:Humans
    30. Acute influence of restricted ankle dorsiflexion angle on knee joint mechanics during gait. Knee. 2014 Jun; 21(3):669-75. Ota S, Ueda M, Aimoto K, Suzuki Y, Sigward SM. PMID: 24530209.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    31. Commentary on "performance of high school adolescents on functional gait and balance measures". Pediatr Phys Ther. 2014; 26(2):200. Diaz AM, Sigward S. PMID: 24675119.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    32. Influence of sex and maturation on knee mechanics during side-step cutting. Med Sci Sports Exerc. 2012 Aug; 44(8):1497-503. Sigward SM, Pollard CD, Havens KL, Powers CM. PMID: 22330027; PMCID: PMC3399059.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    33. Altered Dynamic Postural Control during Step Turning in Persons with Early-Stage Parkinson's Disease. Parkinsons Dis. 2012; 2012:386962. Song J, Sigward S, Fisher B, Salem GJ. PMID: 22518349; PMCID: PMC3306994.
      View in: PubMed   Mentions: 22  
    34. Influence of maturation on instep kick biomechanics in female soccer athletes. Med Sci Sports Exerc. 2011 Oct; 43(10):1948-54. Lyle MA, Sigward SM, Tsai LC, Pollard CD, Powers CM. PMID: 21448083.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    35. Knee separation distance and lower extremity kinematics during a drop land: implications for clinical screening. J Athl Train. 2011 Sep-Oct; 46(5):471-5. Sigward SM, Havens KL, Powers CM. PMID: 22488133; PMCID: PMC3418952.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    36. The influence of sex and maturation on landing biomechanics: implications for anterior cruciate ligament injury. Scand J Med Sci Sports. 2012 Aug; 22(4):502-9. Sigward SM, Pollard CD, Powers CM. PMID: 21210853; PMCID: PMC3117023.
      View in: PubMed   Mentions: 23     Fields:    Translation:Humans
    37. ACL Research Retreat V: an update on ACL injury risk and prevention, March 25-27, 2010, Greensboro, NC. J Athl Train. 2010 Sep-Oct; 45(5):499-508. Shultz SJ, Schmitz RJ, Nguyen AD, Chaudhari AM, Padua DA, McLean SG, Sigward SM. PMID: 20831398; PMCID: PMC2938324.
      View in: PubMed   Mentions: 27     Fields:    Translation:Humans
    38. Limited hip and knee flexion during landing is associated with increased frontal plane knee motion and moments. Clin Biomech (Bristol, Avon). 2010 Feb; 25(2):142-6. Pollard CD, Sigward SM, Powers CM. PMID: 19913961; PMCID: PMC2815098.
      View in: PubMed   Mentions: 74     Fields:    Translation:Humans
    39. Effects of fatigue and recovery on knee mechanics during side-step cutting. Med Sci Sports Exerc. 2009 Oct; 41(10):1952-7. Tsai LC, Sigward SM, Pollard CD, Fletcher MJ, Powers CM. PMID: 19727016.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
    40. Predictors of frontal plane knee excursion during a drop land in young female soccer players. J Orthop Sports Phys Ther. 2008 Nov; 38(11):661-667. Sigward SM, Ota S, Powers CM. PMID: 18978451.
      View in: PubMed   Mentions: 32     Fields:    Translation:Humans
    41. Femoral fixation sites for optimum isometry of posterolateral reconstruction. J Bone Joint Surg Am. 2007 Nov; 89(11):2359-68. Sigward SM, Markolf KL, Graves BR, Chacko JM, Jackson SR, McAllister DR. PMID: 17974877.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    42. Effects of posterolateral reconstructions on external tibial rotation and forces in a posterior cruciate ligament graft. J Bone Joint Surg Am. 2007 Nov; 89(11):2351-8. Markolf KL, Graves BR, Sigward SM, Jackson SR, McAllister DR. PMID: 17974876.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    43. How well do anatomical reconstructions of the posterolateral corner restore varus stability to the posterior cruciate ligament-reconstructed knee? Am J Sports Med. 2007 Jul; 35(7):1117-22. Markolf KL, Graves BR, Sigward SM, Jackson SR, McAllister DR. PMID: 17581975.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    44. Loading characteristics of females exhibiting excessive valgus moments during cutting. Clin Biomech (Bristol, Avon). 2007 Aug; 22(7):827-33. Sigward SM, Powers CM. PMID: 17531364.
      View in: PubMed   Mentions: 42     Fields:    Translation:Humans
    45. Popliteus bypass and popliteofibular ligament reconstructions reduce posterior tibial translations and forces in a posterior cruciate ligament graft. Arthroscopy. 2007 May; 23(5):482-7. Markolf KL, Graves BR, Sigward SM, Jackson SR, McAllister DR. PMID: 17478278; PMCID: PMC2205994.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    46. Gender differences in hip joint kinematics and kinetics during side-step cutting maneuver. Clin J Sport Med. 2007 Jan; 17(1):38-42. Pollard CD, Sigward SM, Powers CM. PMID: 17304004.
      View in: PubMed   Mentions: 28     Fields:    Translation:Humans
    47. The influence of experience on knee mechanics during side-step cutting in females. Clin Biomech (Bristol, Avon). 2006 Aug; 21(7):740-7. Sigward S, Powers CM. PMID: 16675083.
      View in: PubMed   Mentions: 19     Fields:    Translation:HumansCTClinical Trials
    48. The influence of in-season injury prevention training on lower-extremity kinematics during landing in female soccer players. Clin J Sport Med. 2006 May; 16(3):223-7. Pollard CD, Sigward SM, Ota S, Langford K, Powers CM. PMID: 16778542.
      View in: PubMed   Mentions: 50     Fields:    Translation:Humans
    49. The influence of gender on knee kinematics, kinetics and muscle activation patterns during side-step cutting. Clin Biomech (Bristol, Avon). 2006 Jan; 21(1):41-8. Sigward SM, Powers CM. PMID: 16209900.
      View in: PubMed   Mentions: 52     Fields:    Translation:Humans
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