lower limb muscles Flashcards
name and action
piriformis
laterally rotates thigh
abducts thigh
name and action
gastrocnemius
plantar flexion of foot
flex knee
name and origin and insertion
semitendinosus
origin: ischial tuberosity
insertion: proximal, medial surface of tibia
What is fascia lata?
strong fascial sheath which envelops the thigh like a sleeve
name and action
sartorius
flexes thigh
abducts thigh
laterally rotates thigh
name and origin and insertion
rectus femoris
origin: anterior inferior iliac spine
insertion: patella and tibial tuberosity via patellar ligament
name and action
vastus lateralis
flexes thigh
extends knee
name
iliotibial band
name and origin and insertion
biceps femoris origin: long head: ischial tuberosity short head: linea aspera insertion: common tendon into head of fibula and lateral condyle of tibia
name
achilles/calcaneal tendon
name and action
semitendinosus
extends thigh
flexes knee
medial rotates thigh
name and action
extensor digitorum longus
dorsiflexion of foot
extension of phalanges
name and origin and insertion
gastrocnemius
origin: medial and lateral condyles of femur
insertion: calcaneus via achilles tendon
name and origin and insertion
soleus
origin: head and proximal shaft of fibula and superior tibia
insertion: calcaneus via achilles tendon
name and action
tibialis anterior
dorsiflexion of foot
inversion of foot
name
iliotibial band
tibialis anterior
sartorius
name and action
rectus femoris
extend knee
flexes thigh
name
adductor magnus
name and origin and insertion
sartorius
origin: anterior superior iliac spine
insertion: medial condyle of tibia
name and action
gracilis
adducts thigh
medially rotates thigh
flexes thigh
name and action
fibularis longus
plantar flexion of foot
eversion of foot
name and origin and insertion
vastus lateralis
origin: greater trochanter, intertrochanteric line, linea aspera
insertion: patella and tibial tuberosity via patellar ligament
name and origin and insertion
vastus medialis
origin: linea aspera and intertrochanteric line
insertion: patella and tibial tuberosity via patellar ligament
name and action
semimembranosus
extends thigh
flexes knee
medial rotates thigh
name and action
soleus
plantar flexion foot
name
fibularis longus
name and action
tensor fascia lata
flexes thigh
abducts thigh
name and origin and insertion
gracilis
origin: inferior ramus of pubis
insertion: inferior to medial condyle of tibia
name
action
origin and insertion
vastus intermedius extends knee flex hip origin: anterolateral surface of femur insertion: patella and tibial tuberosity via patellar ligament
name and origin and insertion
gluteus maximus
origin: dorsal ilium, sacrum, and coccyx
insertion: gluteal tuberosity of femur and iliotibial band
name
tensor fascia lata
name and action
vastus medialis
flexes hip
extends knee
name and action
biceps femoris
extends thigh
flexes knee
laterally rotates thigh
name and action
gluteus medius
abducts thigh
medial rotates thigh
name and origin and insertion
gluteus medius
origin: lateral surface of ilium
insertion: greater trochanter of femur
gracilis
adductor magnus
Name and action
gluteus maximus
extends thigh
laterally rotates thigh
name and origin and insertion
semimembranosus
origin: ischial tuberosity
insertion: medial condyle of tibia
name and action
adductor magnus
adducts thigh
laterally rotates thigh
iliotibial band
name and origin and insertion
tibialis anterior
origin: lateral condyle and proximal shaft of tibia
insertion: 1st cuneiform and first metatarsal