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Biomechanical and histologic evaluation of the effects of underwater treadmill exercise on horses with experimentally induced osteoarthritis of the middle carpal joint.
Am J Vet Res. 2017 May; 78(5):558-569.AJ

Abstract

OBJECTIVE

To evaluate the effects of exercise in an underwater treadmill (UWT) on forelimb biomechanics and articular histologic outcomes in horses with experimentally induced osteoarthritis of the middle carpal joint. ANIMALS 16 horses. PROCEDURES An osteochondral fragment was induced arthroscopically (day 0) in 1 middle carpal joint of each horse. Beginning on day 15, horses were assigned to exercise in a UWT or in the UWT without water (simulating controlled hand walking) at the same speed, frequency, and duration. Thoracic and pelvic limb ground reaction forces, thoracic limb kinematics, and electromyographic results for select thoracic limb muscles acting on the carpi were collected on days -7 (baseline), 14, 42, and 70. Weekly evaluations included clinical assessments of lameness, response to carpal joint flexion, and goniometric measurements of thoracic limb articulations. At study conclusion, articular cartilage and synovial membrane from the middle carpal joints was histologically examined.

RESULTS

Exercise in a UWT significantly reduced synovial membrane inflammation and resulted in significant clinical improvements with regard to symmetric thoracic limb loading, uniform activation patterns of select thoracic limb muscles, and return to baseline values for carpal joint flexion, compared with results for horses with simulated hand walking.

CONCLUSIONS

AND CLINICAL RELEVANCE Overall improvements in thoracic limb function, joint range of motion, and synovial membrane integrity indicated that exercise in a UWT was a potentially viable therapeutic option for the management of carpal joint osteoarthritis in horses.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article

Language

eng

PubMed ID

28441054

Citation

King, Melissa R., et al. "Biomechanical and Histologic Evaluation of the Effects of Underwater Treadmill Exercise On Horses With Experimentally Induced Osteoarthritis of the Middle Carpal Joint." American Journal of Veterinary Research, vol. 78, no. 5, 2017, pp. 558-569.
King MR, Haussler KK, Kawcak CE, et al. Biomechanical and histologic evaluation of the effects of underwater treadmill exercise on horses with experimentally induced osteoarthritis of the middle carpal joint. Am J Vet Res. 2017;78(5):558-569.
King, M. R., Haussler, K. K., Kawcak, C. E., McIlwraith, C. W., Reiser, R. F., Frisbie, D. D., & Werpy, N. M. (2017). Biomechanical and histologic evaluation of the effects of underwater treadmill exercise on horses with experimentally induced osteoarthritis of the middle carpal joint. American Journal of Veterinary Research, 78(5), 558-569. https://doi.org/10.2460/ajvr.78.5.558
King MR, et al. Biomechanical and Histologic Evaluation of the Effects of Underwater Treadmill Exercise On Horses With Experimentally Induced Osteoarthritis of the Middle Carpal Joint. Am J Vet Res. 2017;78(5):558-569. PubMed PMID: 28441054.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Biomechanical and histologic evaluation of the effects of underwater treadmill exercise on horses with experimentally induced osteoarthritis of the middle carpal joint. AU - King,Melissa R, AU - Haussler,Kevin K, AU - Kawcak,Chris E, AU - McIlwraith,C Wayne, AU - Reiser,Raoul F,2nd AU - Frisbie,David D, AU - Werpy,Natasha M, PY - 2017/4/26/entrez PY - 2017/4/26/pubmed PY - 2017/7/20/medline SP - 558 EP - 569 JF - American journal of veterinary research JO - Am. J. Vet. Res. VL - 78 IS - 5 N2 - OBJECTIVE To evaluate the effects of exercise in an underwater treadmill (UWT) on forelimb biomechanics and articular histologic outcomes in horses with experimentally induced osteoarthritis of the middle carpal joint. ANIMALS 16 horses. PROCEDURES An osteochondral fragment was induced arthroscopically (day 0) in 1 middle carpal joint of each horse. Beginning on day 15, horses were assigned to exercise in a UWT or in the UWT without water (simulating controlled hand walking) at the same speed, frequency, and duration. Thoracic and pelvic limb ground reaction forces, thoracic limb kinematics, and electromyographic results for select thoracic limb muscles acting on the carpi were collected on days -7 (baseline), 14, 42, and 70. Weekly evaluations included clinical assessments of lameness, response to carpal joint flexion, and goniometric measurements of thoracic limb articulations. At study conclusion, articular cartilage and synovial membrane from the middle carpal joints was histologically examined. RESULTS Exercise in a UWT significantly reduced synovial membrane inflammation and resulted in significant clinical improvements with regard to symmetric thoracic limb loading, uniform activation patterns of select thoracic limb muscles, and return to baseline values for carpal joint flexion, compared with results for horses with simulated hand walking. CONCLUSIONS AND CLINICAL RELEVANCE Overall improvements in thoracic limb function, joint range of motion, and synovial membrane integrity indicated that exercise in a UWT was a potentially viable therapeutic option for the management of carpal joint osteoarthritis in horses. SN - 1943-5681 UR - https://www.unboundmedicine.com/medline/citation/28441054/Biomechanical_and_histologic_evaluation_of_the_effects_of_underwater_treadmill_exercise_on_horses_with_experimentally_induced_osteoarthritis_of_the_middle_carpal_joint_ L2 - http://avmajournals.avma.org/doi/full/10.2460/ajvr.78.5.558?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -