What Is the Flexor Digitorum Superficialis?

Superficial digital flexor test: Fix the patient's finger in the extended position, and then instruct the patient to flex the proximal interphalangeal joint of the finger to be checked, so that the superficial digital flexor can be moved independently. If the joint flexes normally, it means that the superficial flexor muscle is intact; if it cannot flex, the muscle is broken or absent.

Finger flexor test

Right!
Superficial digital flexor test: Fix the patient's finger in the extended position, and then instruct the patient to flex the proximal interphalangeal joint of the finger to be checked, so that the superficial digital flexor can be moved independently. If the joint flexes normally, it means that the superficial flexor muscle is intact; if it cannot flex, the muscle is broken or absent.

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