Muscles Flashcards
origin of Rectus Abdominus
pubic crest and pubis symphysis
Insertion for rectus abdominus
xiphoid process and costal cartilages 5-7
Nerve for Rectus Abdominus
Lower Thoracic
Action of rectus abdominus
flex abdomen; compress abdominal contents
Origin of External oblique
ribs 5-12
insertion for external oblique
iliac crest, inguinal ligament, rectus sheath
nerve for external oblique
lower thoracic
action for external oblique
compress abdomen; flex abdomen
Origin for internal oblique
iliac crest, lumbar fascia, inguinal ligament
insertion for internal oblique
rectus sheath, ribs 10-12
nerve for internal oblique
lower thoracic
action for internal oblique
compress abdomen; flex abdomen
origin for transverse abdominus
ribs 7-12, lumbar fascia, iliac crest, inguinal ligament
insertion for transverse abdominus
rectus sheath, superiorly on xiphoid process, inferiorly on pubic tubercle
nerve for transverse abdominus
lower thoracic
action for transverse abdominus
compress abdomen
origin of tensor fascia latae
anterior superior iliac spine
insertion for tensor fascia latae
IT band
nerve for tensor fascia latae
superior gluteal
action for tensor fascia latae
abduct and flex thigh; and medially rotates thigh; helps keep knee extended
origin for sartorius
anterior superior iliac spine
insertion for sartorius
medial surface of tibia
nerve for sartorius
femoral
action for sartorius
flexes thigh and leg; abduct, rotate thigh
origin of rectus femoris
anterior inferior iliac spine and groove
insertion for rectus femoris
based of patella and tibial tuberosity
nerve for rectus femoris
femoral
action for rectus femoris
extend leg and flex thigh
origin for vastus lateralis
greater trochanter
action for vastus lateralis
extend leg
vastus intermedius origin and action
body of femur and extend leg
adductor longus origin
front of pubis
adductor longus insertion
middle of femur
adductor longus nerve
obturator
adductor longus action
adduct and flex thigh
adductor brevis origin
pubis in front of obturator foramen
adductor brevis insertion
middle of femur
adductor brevis nerve
obturator
adductor brevis action
adduct and flex thigh
adductor magnus origin
lower edge of obturator foramen, ischial tuberosity
adductor magnus insertion
middle of femur
adductor magnus nerve
obturator
adductor magnus action
adduct and extend thigh
gracilis origin
lower edge of pubis and ischium
gracilis insertion
medial surface of upper tibia
gracilis nerve
obturator
gracilis action
adducts thigh and flexes leg
pectineus origin
upper edge of pubis
pectineus insertion
upper middle of femur
pectineus nerve
femoral
pectineus action
adducts and flexes thigh
vastus medialis origin
interotrochanteric lin e