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Sartorius
A: Flexion of thigh, lateral rotation of femur.
O: Anterior superior iliac spine.
I: proximal shaft of tibia.
Adductor magnus (medial thigh)
A: adduction and extension of thigh
O: pubis (inferior ramus); ischium (ramus and tuberosity)
I: gluteal tuberosity, linea aspera.
Adductor longus and brevis
A: adduction of thigh.
O: body and inferior ramus.
I: linea aspera.
Rectus femoris
A: Extension of leg, flexion of thigh.
O: Anterior inferior iliac spine.
I: Patella and tibial tuberosity.
Vastus lateralis
A: Extension of leg
O: Greater trochanter
I: Patella and tibial tuberosity.
Vastus medialis.
A: Extension of leg
O: Intertrochanteric line, linea aspera.
I: Patella and tibial tuberosity.
Vastus intermedius
A: Extension of leg
O: anterolateral shaft of femur.
I: patella, tibial tuberosity.
Tensor fasciae latae
A: Flexion, abduction, and medial rotation of thigh.
O: Anterior superior iliac spine.
I: Iliotibial tract.
Gluteus medius
A: Abduction of thigh.
O: Ala of ilium.
I: Greater trochanter of femur.
Gluteus maximus
A: extension, lateral rotation, and abduction of thigh.
O: Ala of ilium, sacrum, AND coccyx.
I: Gluteal tuberosity of femur.
Biceps femoris (hamstrings)
A: Flexion of leg, extension of thigh.
O: Ischial tuberosity
I: head of fibula
Which three muscles share the same action and origin?
Biceps femoris, semitendinosus, and semimembranosus
2 multiple choice options
semitendinosus
A: Flexion of leg, extension of thigh.
O: Ischial tuberosity
I: Proximal shaft of tibia
semimembranosus
A: Flexion of leg, extension of thigh
O: ischial tuberosity
I: Medial condyle of tibia.
Fibularis tertius
A: Dorsiflexion and eversion of the foot.
O: Fibula, interosseus membrane.
I: Metatarsal V.
Fibularis brevis
A: Plantar flexion and eversion of foot.
O: Distal shaft of fibula
I: Metatarsal V
Fibularis longus
A: Plantar flexion and eversion of foot.
O: Proximal shaft of fibula.
I: Metatarsal I, Medial cuneiform.
Gastrocnemius
A: Plantar flexion of foot, flexion of leg.
O: Medial and lateral condyles of femur.
I: Calcaneus.
Plantaris
A: Plantar flexion of foot, flexion of leg.
O: Distal shaft of femur.
I: Calcaneus
Soleus
A: Plantar flexion of foot.
O: Proximal shafts of tibia and fibula.
I: Calcaneus
Flexor digitorum longus
A: plantar flexion and inversion of foot, flexion of toes II-V.
O: Mid-shaft of tibia
I: distal phalanges II-V.

identify 1
psoas major

identify 2
iliacus

identify 10
sartorius

identify 11
adductor magnus

identify 14
obturator externus

identify 8
adductor brevis

identify 9
adductor longus

identify 7
pectineus

identify 12
gracilis

identify 4
rectus femoris (quadriceps)

identify 5
vastus lateralis (quadriceps)

identify 13
vastus medialis (quadriceps)

identify 6
vastus intermedius (quadriceps)

identify 3
tensor fasciae latae

identify 1
gluteus medius

identify 2 and 3
biceps femoris

identify 4
semitendinosus

identify 5
semimembranosus

identify 6
gluteus maximus

identify 1
tibialis anterior

identify 2
fibularis (peroneus) longus

identify 3
extensor digitorum longus

identify 4
fibularis (peroneus) brevis

identify 5
gastrocnemius

identify 6
extensor hallucis longus

identify 7
plantaris

identify 8
soleus

identify 9
flexor digitorum longus

identify 10
flexor hallucis longus

identify 11
fibularis (peroneus) tertius