gluteal region and posterior thigh muscle actions Flashcards
1
Q
gluteus medius
A
- abduct and medially rotate thigh
- keeps pelvis level when standing on one leg
2
Q
gluteus maximus
A
- extend and laterally rotate thigh
3
Q
piriformis
A
- laterally rotate an extended thigh
- abducts a flexed thigh
4
Q
quadratus femoris
A
- laterally rotates thigh
5
Q
tensor fascia lata
A
- abduct and medially rotate thigh
- keeps pelvis level when standing on one leg
6
Q
semitendinosus
A
- extends thigh or trunk
- flexes and rotates leg medially
7
Q
inferior gemellus
A
- laterally rotate an extended thigh
- abducts a flexed thigh
8
Q
superior gemellus
A
- laterally rotate an extended thigh
- abducts a flexed thigh
9
Q
gluteus minimus
A
- abduct and medially rotate thigh
- keeps pelvis level when standing on one leg
10
Q
biceps femoris
A
- long head: extends thigh or trunk
- both heads: flexes and rotate leg laterally
11
Q
semimembranosus
A
- extends thigh or trunk
- flexes and rotates leg medially
12
Q
obturator internus
A
- laterally rotate an extended thigh
- abducts a flexed thigh
