Muscle Action Flashcards
1
Q
Rectus femoris
A
Extend leg at knee joint
Flexes thigh at hip joint
2
Q
Vastus lateralis
A
Extend leg at knee joint
3
Q
Vastus medialis
A
Extend leg at knee joint
4
Q
Vastus intermedius
A
Extend leg at knee joint
5
Q
Articularis genus
A
Tenses and pulls knee joint capsule proximally
6
Q
Biceps femoris
A
Flexes leg at knee joint
Extend thigh at hip joint
Laterally rotates the leg
7
Q
Semitendinosus
A
Flexes leg at knee joint
Extend thigh at hip joint
8
Q
Semimembranosus
A
Flexes leg at knee joint
Extend thigh at hip
Medially rotates the leg
9
Q
Popliteus
A
Internal rotation of leg at knee
Unlocks extended knee
