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Thigh Muscles KM
Muscles that move the femur, tibia, & fibula
Question | Answer |
---|---|
What is the origin of the adductor magnus? | Inferior ramus of pubis, ischium & ischial tuberosity |
What is the insertion of the adductor magnus? | Medial lip of linea aspera & medial epicondyle of femur |
What is the action of the adductor magnus? | Adduct, medially rotate, anterior fibers flex & posterior fibers extend thigh at hip joint |
What nerve innervates the adductor magnus? | Obturator & sciatic |
What is the origin of the adductor longus? | Pubic tubercle |
What is the insertion of the adductor longus? | Medial lip of linea aspera of femur |
What is the action of the adductor longus? | Adduct, medially rotate & flex thigh at hip joint |
What nerve innervates the adductor longus? | Obturator |
What is the origin of the adductor brevis? | Inferior ramus of pubis |
What is the insertion of the adductor brevis? | Superior half of the medial lip of the linea aspera of femur |
What is the action of the adductor brevis? | Adduct, medially rotate & flex thigh at hip joint |
What nerve innervates the adductor brevis? | Obturator |
What is the origin of the pectineus? | Superior ramus of pubis |
What is the insertion of the pectineus? | Pectineal line of femur (between lesser trochanter & linea aspera) |
What is the action of the pectineus? | Adduct, medially rotate & flex thigh at hip joint |
What nerve innervates the pectineus? | Femoral |
What is the origin of the gracilis? | Body & inferior ramus of pubis |
What is the insertion of the gracilis? | Proximal, medial shaft of tibia |
What is the action of the gracilis? | Adducts & medially rotates thigh at hip joint, flexes leg at knee joint |
What nerve innervates the gracilis? | Obturator |