607- Muscle Table

superficial gluteal muscles (4)

gluteus maximus

gluteus medius

gluteus minimus

tensor fasciae latae (TFL)

gluteus maximus action

hip extension and ER

gluteus maximus origin

1. illium

2. sacrum

3. coccyx

4. sacrotuberous ligament

gluteus maximus insertion

1. upper half of the muscle and the superficial fibers of the lower half insert into ITB

2. deep fibers of the lower part insert into the gluteal tuberosity of femur

gluteus maximus innervation

inferior gluteal nerve (L5-S2)

gluteus medius posterior fibers action

hip ABD and ER

gluteus medius anterior fibers actions

hip ABD and IR

gluteus medius (posterior and anterior fibers) origin

illium (between anterior and inferior gluteal lines)

gluteus medius (posterior and anterior fibers) insertion

greater trochanter of femur

gluteus medius (posterior and anterior fibers) innervation

superior gluteal nerve (L4-S1)

gluteus minimus action

hip ADB and IR

gluteus minimus origin

illium (between anterior and inferior gluteal lines)

gluteus minimus insertion

greater trochanter of femur

gluteus minimus innervation

superior gluteal nerve (L4-S1, posterior division)

tensor fasciae latae (TFL) action

hip ABD, flexion, and IR

knee extension

tensor faciae latae (TFL) origin

1. anterior part of iliac crest

2. ASIS

tensor faciae latae (TFL) insertion

1. ITB (attaches to Gerdy's tubercle on tibia)

2. patellar retinaculum

tensor faciae latae (TFL) innervation

superior gluteal nerve (L4-S1)

deep gluteal muscles (5)

piriformis

obturator internus

superior gemelli

inferior gemelli

quadratus femoris

piriformis action

hip ER w/ extended thigh

hip ABD w/ flexed thigh

piriformis origin

pelvic surface of sacrum

piriformis insertion

greater trochanter of femur

piriformis innervation

anterior rami (S1-2)

obturator internus action

hip ER w/ extended thigh

hip ABD w/ flexed thigh

obturator internus origin

1. pelvic surface of obturator membrane

2. obturator foramen

obturator internus insertion

greater trochanter of femur

obturator internus innervation

nerve to obturator internus (L5-S2)

superior gemelli action

hip ER w/ extended thigh

hip ABD w/ flexed thigh

superior gemelli origin

ischial spine

superior gemelli insertion

greater trochanter of femur

superior gemelli innervation

nerve to obturator internus (L5-S2)

inferior gemelli action

hip ER w/ extended thigh

hip ABD w/ flexed thigh

inferior gemelli origin

ischial tuberosity

inferior gemelli insertion

greater trochanter of femur

inferior gemelli innervation

nerve to quadratus femoris (L4-S1)

quadratus femoris action

hip ER

quadratus femoris origin

ischial tuberosity

quadratus femoris insertion

quadrate tubercle of femur

quadtratus femoris innervation

nerve to quadratus femoris (L4-S1)

posterior thigh muscles (3)

semitendinosus

semimembranosus

biceps femoris

semitendinosus action

knee flexion

hip extension

semitendinous origin

ischial tuberosity

semitendinosus insertion

pes anserinus (on tibia)

semitendinosus innervation

sciatic nerve- tibial division (L5-S2)

semimembranosus action

knee flexion

hip extension

semimembranosus origin

ischial tuberosity

semimembranosus insertion

medial condyle of tibia

semimembranosus innervation

sciatic nerve- tibial division (L5-S2)

biceps femoris (long and short head) action

knee flexion

hip extension

biceps femoris long head origin

ischial tuberosity

biceps femoris short head origin

linea aspera of femur

biceps femoris (long and short head) insertion

lateral surface of head of fibula

biceps femoris long head innervation

sciatic nerve- tibial division (L5-S2)

biceps femoris short head innervation

sciatic nerve- common fibular division (L5-S2)

anterior thigh muscles (7)

psoas major

iliacus

satorius

rectus femoris

vastus lateralis

vastus medialis

vastus intermedius

quadriceps femoris muscles (4)

rectus femoris

vastus lateralis

vastus medialis

vastus intermedius

psoas major action

hip flexion

trunk flexion

psoas major origin

bodies and transverse processes of T12-L5

psoas major insertion

lesser trochanter of femur

psoas major innervation

anterior rami (L1-3)

iliacus action

hip flexion

trunk flexion

iliacus origin

iliac fossa

iliacus insertion

lesser trochanter of femur

iliacus innervation

femoral nerve (L2-4)

sartorius action

hip flexion, ABD, and ER

knee flexion

sartorius origin

ASIS

sartorius insertion

pes anserinus (on tibia)

sartorius innervation

femoral nerve (L2-4)

rectus femoris action

knee extension

rectus femoris origin

1. AIIS

2. illium (superior to acetabulum)

rectus femoris insertion

common quad tendon into patella then to tibial tuberosity via patellar tendon/ligament

rectus femoris innervation

femoral nerve (L2-4)

vastus lateralis action

knee extension

vastus lateralis origin

1. great tochanter

2. gluteal tuberosity

3. linea aspera of femur

vastus lateralis insertion

common quad tendon into patella then to tibial tuberosity via patellar tendon/ligament

vastus lateralis innervation

femoral nerve (L2-4)

vastus medialis action

knee extension

vastus medialis origin

1. great tochanter

2. gluteal tuberosity

3. linea aspera of femur

vastus medialis insertion

common quad tendon into patella then to tibial tuberosity via patellar tendon/ligament

vastus medial innervation

femoral nerve (L2-4)

vastus intermedius action

knee extension

vastus intermedius origin

anterior and lateral surface of body of femur

vastus intermedius insertion

common quad tendon into patella then to tibial tuberosity via patellar tendon/ligament

vastus intermedius innervation

femoral nerve (L2-4)

medial thigh muscles (6)

pectineus

obturator externus

gracilis

adductor longus

adductor brevis

adductor magnus

pectineus action

hip ADD and flexion

pectineus origin

superior ramus of pubis

pectineus insertion

inferior to lesser trochanter of femur

pectineus innervation

femoral nerve (L2-4)

obturator externus action

hip ER

obturator externus origin

external surface of obturator membrane

obturator externus insertion

trochanteric fossa

obturator externus innervation

obturator nerve (L2-4)

gracilis action

hip ADD, flexion, and IR

knee flexion

gracilis origin

1. body of pubis

2. inferior ramus of pubis

gracilis insertion

pes anserinus (on tibia)

gracilis innervation

obturator nerve (L2-4)

adductor longus action

hip ADD

adductor longus origin

1. body of pubis

2. inferior ramus of pubis

adductor longus insertion

linea aspera of femur