muscles of hip and thigh
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22 Terms
Gluteus Maximus
O- external surface of ilium, sarcotuberous ligament, sacrum
I- gluteal tuberosity of femur, iliotibial tract
A- extends thigh at hip joint, assists in external rotation of thigh
Gluteus medius
O- external surface of ilium
I- greater trochanter of femur
A- abducts and medially rotates thigh, keep pelvis level when ipsilateral limb is weight bearing
Gluteus minimus
O- external surface of ilium
I- greater trochanter of femur
A- abducts and medially rotates thigh, keep pelvis level when ipsilateral limb is weight bearing
Tensor fasciae latae
O- anterior superior iliac spine, iliac crest
I- iliotibial tract
A- abducts and medially rotates thigh, keeps pelvis level when ipsilateral limb is weight bearing
Piriformis
O- anterior sacrum
I- greater trochanter of femur
A- laterally rotate thigh/hip joint, abducts thigh
Obturator internus
O- obturator membrane
I- greater trochanter of femur
A- laterally rotate thigh/hip joint, abducts thigh
Superior gemellus
O- Ischial spine
I- greater trochanter of femur
A- laterally rotate thigh/hip joint, abducts thigh
Inferior gemellus
O- Ischial tuberosity
I- greater trochanter of femur
A- laterally rotate thigh/hip joint, abducts thigh
Quadratus femoris
O- Ischial tuberosity
I- quadrate tubercle of femur
A- laterally rotate thigh
Sartorius
O- anterior superior iliac spine
I- medial tibia pes anserinus
A- flexes and laterally rotates thigh, flexes and medially rotates leg
Vastus lateralis
O- greater trochanter, linea aspera of femur
I- tibial tuberosity via patellar tendon
A- extends thigh
Rectus femoris
O- anterior inferior iliac spine
I- tibial tuberosity via patellar tendon
A- flexes thigh and extends leg
Vastus intermedius
O- anterolateral surface of femur
I- tibial tuberosity via patellar tendon
A- extends leg
Vastus medialis
O- anteromedial surface of femur, linea aspera
I- tibial tuberosity via patellar tendon
A- extends leg
Biceps femoris
O- long head- Ischial tuberosity short head- linea aspera of femur
I- head of fibula
A- flexes leg, extends thigh-long head only
Semitendinosus
O- Ischial tuberosity
I- medial tibia pes anserinus
A- flexes leg, extends thigh
Semimembranosus
O- Ischial tuberosity
I- posterior medial surface of tibia
A-flexes leg, extends thigh
Gracilis
O- inferior pubic ramus
I- medial tibia pes anserinus
A- Adducts and flexes thigh, medially rotates and flexes leg
Adductor longus
O- pubic body just below pubic crest
I- linea aspera
A- Adducts thigh
Adductor brevis
O- inferior pubic ramus
I- pectineal line, linea aspera of femur
A- Adducts thigh
Adductor magnus
O- inferior pubic ramus, Ischial tuberosity
I- linea aspera, adductor tubercle of femur
A- Adducts thigh
Pectineus
O- pectineal line of pubis pecten pubis
I- pectineal line of femur
A- flexes and Adducts thigh