Muscle Tables of Lower Extremity Flashcards
What muscles are innervated by the femoral nerve?
iliopsoas, pectineus, sartorius, rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius
What muscles originate at the pubis?
pectineus, gracilis, adductor longus, adductor brevis, and adductor magnus (adductor portion)
What muscle originates at the pubis AND ischium?
Adductor magnus (adductor portion)
What muscles originate at the femur?
Vastus lateralis, medialis, and intermedius
What muscles originate at the anterior superior iliac spine of the ilium?
sartorius and tensor fascia lata
What muscle originates at the anterior inferior iliac spine of the ilium?
rectus femoris
What muscle originates at the ilium AND vertebra (T12-L5)?
iliopsoas
What muscles originate at the ischial tuberosity?
adductor magnus (hamstring portion), inferior gemellus, quadratus femoris, semimembranosus, semitendinosus, biceps femoris (long head)
What muscles originate at the obturator membrane?
obturator externus and obturator internus
What muscles insert onto the femur? (no specific spot)
iliopsoas, pectineus, obturator externus, and quadratus femoris
What muscles insert onto the femur at the linea aspera?
adductor longus, brevis, and magnus (adductor portion)
What muscle inserts onto the femur at the adductor tubercle?
adductor magnus (hamstring portion)
What muscles insert onto the tibia?
sartorius, gracilis, semimembranosus, semitendinosus, and popliteus
What muscles insert onto the patella?
rectus femoris; vastus lateralis, medialis, and intermedius
What muscles insert onto the femur at the greater trochanter?
gluteus medius, gluteus minimus, piriformis, obturator internus, superior gemellus, and inferior gemellus
What muscle inserts onto the femur AND iliotibial tract?
gluteus maximus
What “muscle” inserts onto the iliotibial tract?
tensor fascia lata
What muscle inserts onto the fibula?
biceps femoris
What 6 muscles are part of the medial thigh?
gracilis; adductor longus, brevis, magnus (adductor and hamstring portions), and obturator externus
What 9 muscles are part of the gluteal region?
gluteus maximus, medius, and minimus; tensor fascia lata, piriformis, obturator internus, superior gemellus, inferior gemellus, and quadratus femoris
What muscle originates at the ilium, sacrum, coccyx, and sacrotuberous ligament?
gluteus maximus
What muscles originate at the ilium?
gluteus medius and minimus
What muscle originates at the sacrum?
piriformis
What muscle originates at the ischial spine?
superior gemellus
What muscles originate at the femur?
short head of biceps femoris, popliteus, gastrocnemius, and plantaris
What muscles flexes the hip joint?
iliopsoas and pectineus
What muscle flexes the hip joint and knee?
sartorius
What muscle flexes the hip joint and extends the knee?
rectus femoris
What muscles extend the knee?
vastus lateralis, medialis, and intermedius
Quadriceps inserts to patella via what tendon?
Patella lined to tibia via what tendon?
quadriceps tendon
patellar tendon
What muscles are innervated by the obturator nerve?
gracilis; adductor longus, brevis, magnus (adductor portion); obturator externus
What muscle adducts the hip joint and flexes the knee?
gracilis
What muscles adduct the hip joint?
adductor longus, brevis, and magnus (adductor portion)
What muscle laterally rotates the femur at the hip joint?
obturator externus
What muscles laterally rotate the femur?
piriformis, obturator externus/internus, superior/inferior gemellus, quadratus femoris, popliteus, and gluteus maximus (1/2 actions)
What muscle extends and laterally rotates the femur?
gluteus maximus
What muscles abduct and medially rotate the femur? What other muscle abducts the femur?
gluteus medius/minimus; tensor fascia lata