Muscle 2 - PRACTICAL

external abdominal oblique

external abdominal oblique origin

anterior surface of lower 8 ribs

external abdominal oblique insertion

pubic crest

external abdominal oblique action

flexion of trunk

internal abdominal oblique

flexion of trunk

internal abdominal oblique origin

anterior iliac crest

internal abdominal oblique insertion

pubic crest

internal abdominal oblique action

flexion of trunk

transverse abdominis

transverse abdominis origin

iliac crest

transverse abdominis insertion

pubic crest

transverse abdominis action

compression of the abdominal cavity

rectus abdominis

rectus abdominis origin

xiphoid process

rectus abdominis insertion

pubic crest

rectus abdominis action

flexion of trunk

gluteus maximus

gluteus maximus origin

posterior sacrum

gluteus maximus insertion

gluteal tuberosity of femur

gluteus maximus action

abduction of thigh

gluteus medius

gluteus medius origin

lateral surface of ilium

gluteus medius insertion

greater trochanter of femur

gluteus medius action

abduction of thigh

sartorius

sartorius orgin

anterior superior iliac spine

sartorius insertion

shaft of tibia

sartorius action

abduction of thigh

psoas major/iliacus

psoas major/iliacus origin

lumbar vertebrae/iliac crest

psoas major/iliacus insertion insterion

lesser trochanter of femur

psoas major/iliacus action

abduction of thigh

tensor fasciae latae

tensor fasciae latae origin

anterior superior iliac spine

tensor fasciae latae insertion

iliotibial tract

tensor fasciae latae action

abduction of thigh

biceps femoris

biceps femoris origin

ischial tuberosity

biceps femoris insertion

head of fibula

biceps femoris action

knee flexion

semimembranosus

semimembranosus origin

ischial tuberosity

semimembranosus insertion

medial condyle of tibia

semimembranosus action

knee flexion

semitendinosus

semitendinosus origin

ischial tuberosity

semitendinosus insertion

shaft of tibia

semitendinosus action

knee flexion

rectus femoris

rectus femoris origin

anterior inferior iliac spine

rectus femoris insertion

patella

rectus femoris action

knee extension

vastus medialis

vastus medialis origin

linea aspera

vastus medialis insertion

patella

vastus medialis action

knee extension

vastus lateralis

linea aspera

patella

knee extension

vastus lateralis origin

vastus lateralis insertion

vastus lateralis action

vastus intermedius

vastus intermedius origin

lteral shaft of femur

vastus intermedius insertion

patella

vastus intermedius action

knee extension

gracilis

gracilis origin

body of pubis

gracilis insertion

Proximal medial tibia

gracilis action

adduction of thigh

adductors

adductors origin

body of pubis

adductors insertion

linea aspera

adductors action

adduction of thigh

gastrocnemius (calf)

gastrocnemius origin

lateral condyle of femur

gastrocnemius insertion

calcaneus via calcaneal tendon

gastrocnemius action

plantar flexion of ankle

tibialis anterior (shin)

tibialis anterior origin

shaft of tibia

tibialis anterior insertion

first metatarsal

tibialis anterior action

dorsiflexion of ankle

popliteal fossa

popliteal pulse (popliteal artery and vein)

femoral triangle

femoral pulse (femoral artery and vein); blood flow can be stopped by pressing very hard if intense bleeding from lower leg