lab 16

psoas major

iliacus

Iliopsoas innervation

Lumbosacral plexus

Iliopsoas action

Flexes hip

gluteus maximus

*Gluteus maximus origin

Posterior pelvis, sacrum, coccyx

*Gluteus maximus insertion

Gluteal tuberosity

*Gluteus maximus innervation

Lumbosacral

*Gluteus maximus action

Extends hip

gluteus medius 

Gluteus medius innervation

Lumbosacral plexus

Gluteus medius action

Abducts and medially rotates hip

piriformis

Piriformis action

Laterally rotates hip

Piriformis innervation

Lumbosacral plexus 

tensor fasciae latae

Tensor fascia latae action

Flexes hip

Tensor fascia latae innervation

Lumbosacral plexus

sartorius

Sartorius origin

Anterior superior iliac spine

*Sartorius insertion

tibia

Sartorius action

Flexes knee, laterally rotates and flexes hip

Sartorius innervation

femoral nerve

rectus femoris 

*Rectus femoris insertion

Tibial tuberosity

*Rectus femoris action

extend knee

*Rectus femoris innervation

femoral nerve

*Rectus femoris origin

Anterior inferior iliac spine

vastus medialis

vastus intermedius

vastus lateralis

adductor mangus

adductor magnus innervation

obturator nerve

Adductor magnus action

Adducts thigh

adductor longus

Adductor longus action

Adducts thigh

Adductor longus innervation

obturator nerve

gracilis

Gracilis origin

Pubic bone

Gracilis insertion

Tibia

Gracilis innervation

obturator nerve

Gracilis action

Adducts thigh, flexes leg

bicep femoris

*Biceps femoris origin

Ischial tuberosity

*Biceps femoris nerve

sciatic nerve

*Biceps femoris Action

Extends thigh, flexes leg

*Biceps femoris insertion

Head of fibula

semimembranosus

semitendinosus

gastrocnemius

Gastrocnemius origin

Medial and lateral epicondyles of femur

Gastrocnemius innervation

sciatic

Gastrocnemius insertion

Calcaneus

Gastrocnemius action

Flexes knee, plantar flexes foot

soleus

soleus innervation

sciatic nerve

Soleus action

Plantar Flexes foot

flexor digitorum longus

Flexor digitorum longus action

Plantar Flexes foot and flexes toes

Flexor digitorum longus innervation

sciatic

fibularis longus

*Fibularis longus innervation

sciatic

*Fibularis longus action

Plantar Flex and evert foot

*Fibularis longus origin

Fibula

*Fibularis longus insertion

Tarsals and metatarsals

tibialis anterior

Tibialis anterior innervation

sciatic

Tibialis anterior action

Dorsiflexes and inverts foot

extensor digitorum longus

*Extensor digitorum longus origin

Tibia and fibula

*Extensor digitorum longus insertion

Phalanges

*Extensor digitorum longus action

Dorsiflexes foot and extends toes

*Extensor digitorum longus innervation

sciatic