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.