Thigh Muscle Actions Flashcards
Pectineus
Adducts and flexes thigh at hip joint
Adductor longus
Adducts thigh at hip joint
Adductor brevis
Adducts thigh at hip joint
Adductor magnus
Adducts, flexes and extends thigh at hip joint
Gracilis
- Flexes and medially rotates leg at knee joint
- assists in adduction of thigh at hip joint
Rectus femoris
- extends leg at knee joint
- flexes thigh at hip joint
Vastus lateralis
Extends leg at knee joint
Vastus intermedius
Extends leg at knee joint
Vastus medialis
Extends leg at knee joint
Tensor fascia latae
Assists in medial rotation, abduction and flexion of thigh at hip joint
Iliotibial band/tract
Allows tensor fasciae latae and gluteus maximus to help stabilize the extended knee joint
Sartorius
Flexes and medially rotates leg at knee joint
Biceps femoris
Flexes and laterally rotates leg at knee joint
Semimembranosus
- Flexes and medially rotates leg at knee joint
- extends thigh at hip joint
Semitendinosus
- Flexes and medially rotaes leg at knee joint
- extends thigh at hip joint
Iliacus
- flexes thigh at hip joint
- flexes trunk
Psoas Major
- flexes thigh at hip joint
- flexes trunk
Gluteus Maximus
Extends, laterally rotates and abducts thigh at hip joint
Gluteus medius
Medially rotates and abducts thigh at hip joint
Gluteus minimus
Medially rotates and abducts thigh at hip joint
Piriformis
Laterally rotates and transversely abducts thigh at hip joint
