muscle functions Flashcards Preview

School > muscle functions > Flashcards

Flashcards in muscle functions Deck (12):
1

Deltoid

Anterior fibers: Flex and medially rotate arm
Middle fibers: prime mover of arm abduction
Posterior fibers: extend and laterally rotate arm

2

Biceps brachii

Flexes forearm, powerful supinator of forearm
Long head flexes arm

3

Coracobrachialis

Adducts and flexes arm

4

Brachialis

Primary flexer of forearm

5

Triceps

Primary extensor of forearm
Long head of triceps also extends and adducts arm

6

Quadratus femoris

Laterally rotates thigh

7

Sartorius

Flexes thigh and rotates thigh laterally; flexes leg and rotates leg medially

8

Gracilis

Adducts and flexes thigh; flexes leg

9

Adductor longus

Adducts thigh; flexes thigh

10

Biceps femoris

Extends thigh (long head only)
flexes leg (both)
laterally rotates leg (both)

11

semitendinosus

extends thigh and flexes leg;
medially rotates leg

12

semimembranosus

extends thigh and flexes leg;
medially rotates leg