Multiple Choice
Why do wrist extensor muscles contract when a person flexes his or her fingers to make a fist?
A) they contract as fixators (stabilizers) to prevent the hand from flexing at the wrist joint
B) they contract as fixators (stabilizers) to prevent the hand from extending at the wrist joint
C) they contract as antagonists to prevent the fingers from extending
D) they contract as antagonists to prevent the fingers from flexing
Correct Answer:
Verified
Correct Answer:
Verified
Q40: What nerve innervates the abductor pollicis longus?<br>A)median
Q41: What nerve innervates the flexor digitorum superficialis?<br>A)median
Q42: Which muscles attach onto the thumb?<br>A)extensor digiti
Q43: Which is an action of the extensor
Q44: Which is an action of the extensor
Q46: Which is an eccentric function of the
Q47: What is the only muscle that can
Q48: Which is an action of the extensor
Q49: Which is an action of the flexor
Q50: The extensor digiti minimi sometimes blends with