MUSCLES-INTERMEDIATE FLEXOR OF FOREARM

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SUMMARY

1. Flexor digitorum superficialis: large muscle of the intermediate layer which arises from the common flexor origin, medial ligamentous complex of elbow, sublime tubercle & anterior oblique line of radius.

2. Distally it gives rise to 4 tendons which pass into the hand deep to the flexor retinaculum.

3. Within each finger the tendons form 2 slips which pass around the profundus tendon and then partly reunite before attaching to the sides of the middle phalanx.

4. Supplied by the median nerve.

5. Flexes the wrist MCPJ PIPJ.


Reference(s)

R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone.
Gray, H., Carter, H.V. and Davidson, G. (2017). Gray’s anatomy. London: Arcturus.