Question

When flexing all of the fingers joints maximally in combination with maximal wrist flexion and no further flexion of any of the involved joints may be reached, the result is _______.

Answer 1

When no further flexion of any of the involved joints may be reached, the result is an active insufficiency of the extensor muscles. They are involved in muscle extension.

What are the extensor muscles?

The extensor muscles are muscles capable of increasing the angle between members in a given limb.

Extensor muscles include, for example, teres major, the latissimus dorsi, triceps brachii, etc.

Moreover, flexor muscles include upper limb flexors such as biceps brachii and brachialis.

Learn more about the extensor muscles here:

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