INTEROSSEI M Flashcards
1
Q
when is this active?
A
late midstance to late propulsion (stance phase muscles)
2
Q
how many muscles total?
dorsal
plantar
A
7
4 dorsal
3 plantar
3
Q
fxn?
A
stabilize the bases of lesser 4 proximal phalanges
stabilizes bases of proximal phalanges transversely
assist in function of the exterior expansion in some
tendon inserts into plantar plate
4
Q
why is the tendon insertion into the planter plate important?
A
will apply plantarflexory force on proximal phalanx
5
Q
pathology
A
hammer digit syndrome (contracture of digits)
