Regarding finger flexion

Question

TuteeHUB · Accepted Answer

The lumbricals are attached to the extensor expansions and to the prox phalanges

TuteeHUB · Answer

FDS inserts into base of distal phalanx

TuteeHUB · Answer

FDP enters the fibrous sheath superficial to the FDS tendon

TuteeHUB · Answer

When palmar & dorsal interossei contract together flexion of the MCPJ results

TuteeHUB · Answer

In the flexor sheath, the tendons of FDP and FDS are invested by separate synovial sheaths

1.	Regarding finger flexion
A.	FDS inserts into base of distal phalanx
B.	FDP enters the fibrous sheath superficial to the FDS tendon
C.	When palmar & dorsal interossei contract together flexion of the MCPJ results
D.	The lumbricals are attached to the extensor expansions and to the prox phalanges
E.	In the flexor sheath, the tendons of FDP and FDS are invested by separate synovial sheaths
Answer» D. The lumbricals are attached to the extensor expansions and to the prox phalanges

Discussion