Hip and Leg Muscles Flashcards
Iliacus
O- Iliac Fossa
I- Lesser trochanter (with psoas major)
A- Flexion and external rotation of the hip
N- Femoral Nerve
Tensor Fascia Latae
O- Anterior Superior Iliac Spine (ASIS)
I- Iliotibial band
A- Flexion, abduction, internal rotation of the hip
N- Superior Gluteal Nerve
Satorius
O- Anterior Superior Iliac Spine (ASIS)
I- Proximal medial aspect of tibia (pes anserine insertion)
A- Flexion, abduction and external rotation (FABER position) of the hip
N- Femoral Nerve
Adductor Longus
O- Body of pubis (below crest)
I- Middle 1/3 of linea aspera
A- Adduction of the hip, weak hip flexor
N- Obturator Nerve
Gluteus Maximus
O- Posterior Superior Iliac Spine (PSIS), iliac crest, lumbar dorsal fascia, sacrum and sacrotuberous ligament
I- Gluteal Tuberosity of the Femur and Iliotibial band
A- Abduction, extension of external rotation of the hip
N- Inferior Gluteal Nerve
Gluteus Medius
O- Between the anterior and posterior gluteal lines of the ilium
I- Superior lateral surface of greater trochanter
A- Abduction, internal rotation of the hip (anterior fibers), external rotation of the hip (posterior fibers)
N- Superior Gluteal Nerve
Gluteus Minimis
O- Between anterior and inferior gluteal lines of the ilium
I- Anterior tubercle of the greater trochanter
A- Abducts the hip, internally rotates the hip
N- Inferior Gluteal Nerve
Piriformis
O- Anterior surface of the sacrum
I- Greater trochanter
A- External rotator of the hip (hip flexion less than 60 degrees), internal rotation and horizontal abduction of the hip (hip flexion greater than 60 degrees)
N- Nerve to Piriformis
Rectus Femoris
O- Anterior Inferior Iliac Spine (AIIS)
I- Tibial tuberosity
A- Flexion of the hip, extension of the knee
N- Femoral Nerve
Vastus Medius
O- Medial lip of linea aspera, internochanteric line
I- Tibial tuberosity
A- Extension of the knee
N- Femoral
Vastus Lateralis
O- Lateral lip of linea aspera, posterior surface of greater trochaner, interochanteric line
I- Tibial tuberosity
A- Extension of the knee
N- Femoral
Vastus Intermedius
O- Anterior and lateral surface of the femur
I- Tibial tuberosity
A- Extension of the knee
N- Femoral
Semimembranosus
O- Ischial tuberosity
I- Posterior proximal condyle of tibia, medial meniscus
A- Extension of the hip, flexion of the knee
N- Sciatic Nerve (tibial division)
Semitendinosus
O- Ischial tuberosity
I- Proximal medial aspect of tibia (pes anserine)
A- Extension of the hip, flexion of the knee
N- Sciatic Nerve (tibial division
Biceps Femoris
O- Long head: Ischial tuberosity
Short head: Distal 2/3 of femur (lateral aspect)
I- Head of fibula
A- Extension of the hip, flexion of the knee
N- Sciatic nerve (long head) and Common Fibular Nerve (short head)
