Lecture 7 Muscles of the Thigh ACTIONS Flashcards
What is the action of sartorius?
Flexes, abducts, and laterally rotates thigh at the hip joint and flexes and assists medial rotation at knee joint.
What is the action of Rectus Femoris?
Extension at the knee jt and flexion at the hip jt
What is the action of Vastus Lateralis?
Extension at the knee jt and strengthens the knee jt
What is the action of Vastus Medialis
Extension at the knee jt and strengthens the knee jt
What is the action of Vastus Intermedius?
Extension of the knee jt
What is the action of Articularis Genu
Pulls the articular capsule up during knee extension to avoid pinching the capsule under the patella
What is the action of Pectineus?
Adducts and flexes thigh at the hip jt
What is the action of Biceps Femoris?
Flexes and laterally rotates leg at the knee joint and the long head extends and assists with lateral rotation of thigh at the hip joint
What is the action of Semitendinosus?
Flexes and medially rotates leg at the knee joint and extends and assists with medial rotation of thigh at the hip joint
What is the action of Semimembranosus?
Flexes and medially rotates leg at the knee joint and extends and assists with medial rotation of thigh at the hip jt
What is the action of Gracilis?
Adducts thigh at the hip joint assists flexion and medial rotation of leg at knee joint
What is the action of Adductor Magnus?
Adductor portion: adducts thigh at hip jt
Hamstring portion: extends thigh at hip jt
What is the action of Adductor Longus?
Adducts thigh at hip jt
What is the action of Adductor Brevis?
Adducts thigh at hip jt
