lower body final exam review Flashcards
iliacus
O: iliac fossa of the ilium, lateral sacrum
I: lesser trochanter of the femur
A: flexes hip
N: femoral
psoas major
O: thoracic and lumbar vertebrae
I: lesser trochanter of femur
A: flexes hip
N: ventral rami
gluteus maximus
O: dorsal ilium, sacrum, and coccyx
I: gluteal tuberosity of femur, and iliotibial tract
A: extends, laterally rotates, abducts hip
N: inferior gluteal
gluteus medius
O: lateral ilium
I: greater trochanter of femur
A: abducts and medially rotates hip
N: superior gluteal
gluteus minimus
O: lateral ilium
I: greater trochanter of femur
A: abducts and medially rotates hip
N: superior gluteal
piriformis
O: anterolateral sacrum
I: greater trochanter of femur
A: laterally rotates hip
N: ventral rami
rectus femoris
O: anterior inferior iliac spine of ilium
I: tibial tuberosity of tibia
A: flex hip, extends the knee
N: femoral
vastus lateralis
O: anterior shaft of femur
I: tibial tuberosity of tibia
A: extends knee
N: femoral
vastus medialis
O: anterior shaft of femur
I: tibial tuberosity of tibia
A: extends the knee
N: femoral
vastus intermedius
O: anterior shaft of femur
I: tibial tuberosity of tibia
A: extends the knee
N: femoral
sartorius
O: anterior superior iliac spine of ilium
I: medial tibia
A: flexes, laterally rotates hip, flexes knee
N: superior gluteal
tensor fasciae latae
O: anterior superior iliac spine of ilium
I: iliotibial tract
A: tenses the iliotibial tract
N: superior gluteal
adductor magnus
O: ischium and pubis
I: posterior shaft of femur
A: adducts hip
N: obturator
adductor longus
O: pubis
I: posterior shaft of femur
A: adducts hip
N: obturator
adductor brevis
O: pubis
I: posterior shaft of femur
A: adducts hip
N: obturator
pectineus
O: pubis
I: posterior shaft of femur
A: adducts hip
N: obturator and femoral
gracilis
O: pubis
I: medial tibia
A: adducts and medially rotates hip, flexes knee
N: obturator
biceps femoris
O: ischial tuberosity of ischium (long); posterior shaft of femur (short)
I: head of fibula, lateral tibia
A: extends hip, flexes knee
N: tibial
semitendinosus
O: ischial tuberosity of ischium
I: medial tibia
A: extends hip, flexes knee
N: tibial
semimembranosus
O: ischial tuberosity of ischium
I: medial tibia
A: extends hip, flexes knee
N: tibial
tibialis anterior
O: anterior tibia/ fibula, interosseous membrane
I: medial cuneiform, 1st metatarsal
A: dorsiflexes and inverts ankle
N: deep fibular
extensor digitorum longus
O: anterior tibia/ fibula, interosseous membrane
I: middle and distal phalanges of digits 2-5
A: dorsiflexes ankle and extends digits 2-5
N: deep fibular
extensor hallucis longus
O: anterior tibia/ fibula, interosseous membrane
I: 1st distal phalanx
A: dorsiflexes and inverts ankle, extends big toe
N: deep fibular
fibularis tertius
O: anterior tibia/ fibula, interosseous membrane
I: 5th metatarsal
A: dorsiflexes and everts ankle
N: deep fibular
fibularis longus
O: lateral fibula
I: medial cuneiform, 1st metatarsal
A: everts ankle
N: superficial fibular
fibularis brevis
O: lateral fibula
I: 5th metatarsal
A: everts ankle
N: superficial fibular
gastrocnemius
O: medial and lateral condyles of femur
I: calcaneus
A: plantarflexes ankle, flexes knee
N: tibial
plantaris
O: posterior femur above the lateral condyle
I: calcaneus
A: plantarflexes ankle, flexes knee
N: tibial
soleus
O: posterior tibia/ fibula, interosseous membrane
I: calcaneous
A: planterflexes ankle
N: tibial
flexor digitorum longus
O: posterior tibia/ fibula, interosseous membrane
I: distal phalanges of digits 2-5
A: plantarflexes and inverts ankle, flexes digits 2-5
N: tibial
flexor hallucis longus
O: posterior tibia/ fibula, interosseous membrane
I: 1st distal phalanx
A: plantarflexes and inverts ankle, flexes big toe
N: tibial
tibialis posterior
O: posterior tibia/ fibula, interosseous membrane
I: metatarsals 2-4
A: plantarflexes and inverts ankle
N: tibial
