Should we think about wrist extensor after flexor tendon repair?

SAGE Open Medicine
Aline M FerreiraNilton Mazzer

Abstract

To evaluate the activity of wrist extensor muscle, correlating with wrist motion during gripping after flexor tendon repair. Cross-sectional clinical measurement study. Laboratory for biomechanics and rehabilitation. A total of 11 patients submitted to rehabilitation by early passive motion of the fingers with wrist flexion position were evaluated after 8 weeks of fingers flexor tendon repair and 11 healthy volunteers, all ranging from 20 to 37 years of age. Volunteers performed an isometric standardized gripping task. We used electrogoniometry to analyze wrist range of motion and surface electromyography, considering 100% maximum voluntary contraction to represent the amplitude of electromyographic activity of the extensor carpi radialis and flexor digitorum superficialis. Patients with flexor tendon repair showed co-activation deficit between wrist extensor (extensor carpi radialis) and flexor finger muscles (flexor digitorum superficialis) during gripping in the intermediate phase of rehabilitation, despite some recovering mobility for wrist extension (p ≤ 0.05). A moderate correlation between range of motion and extensor carpi radialis was present only for injured group (r = 0.32). Total active motion score, which represent...Continue Reading

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Jul 10, 2016·Journal of Back and Musculoskeletal Rehabilitation·Alexandre Márcio MarcolinoRinaldo Roberto de Jesus Guirro

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