lower extremity muscles and OIA

Question 1

Gluteus Maximus OIA

Answer 1

O: iliac crest, Thorocolumbar fascia, sacrum, posterior gluteal line, coccyx

I: IT band, gluteal tuberosity femur

A: abduction, lateral rotation and extension of hip

Question 2

Gluteus Medius OIA

Answer 2

O: ilium surface between posterior and anterior lines, anterior iliac crest

I: greater trochanter of femur

A: abduction and medial rotation of hip

Question 3

gluteus minimus

Answer 3

O: ilium surface between anterior and inferior gluteal lines

I: greater trochanter of femur

A: medial rotation and abduction of the hip.

Question 4

Tensor fascia latae OIA

Answer 4

O: Anterior superior iliac spine, iliac crest

I: IT band

A: hip flexion, knee extension, abduction, medial rotation of thigh, lateral rotation of leg

Question 5

Obturator internus OIA

Answer 5

O: surrounding obturator foramen

I: greater trochanter femur

A: Lateral rotation, abduction of hip

Question 6

Piriformis OIA

Answer 6

O: sacrum

I: greater trochanter of the femur

A: lateral rotation, abduction of hip

Question 7

Gemellus superior and inferior OIA

Answer 7

O: superior ischial spine, inferior ischial tuberosity

I: greater trochanter femur

A: lateral rotation abduction hip

Question 8

quadratus femoris OIA

Answer 8

O: ischial tuberosity

I: intertrochanteric crest of femur

A: lateral rotation of hip

Question 9

Pectineus OIA

Answer 9

O: superior pubic ramus

I: pectineal line on femur

A: hip flexion adduction.

Question 10

Adductor brevis OIA

Answer 10

O: inferior pubic ramus

I: linea aspara of femur

A: hip flexion and adduction

Question 11

Adductor longus OIA

Answer 11

O: inferior pubic ramus

I: linea aspara of femur

A: hip flexion and adduction. medial rotation

Question 12

adductor Magnus OIA

Answer 12

O: inferior pubic ramus, ischial tuberosity
I: linea aspara, adductor tubercle femur
a: adduction flexion and extension of hip medial rotation

Question 13

Gracialis OIA

Answer 13

O: inferior pubic ramus
I: inferior to medial condyle of tibia
A: hip adduction medial rotation, knee flexion medial rotation

Question 14

Iliacus OIA

Answer 14

O: iliac fossa
I: lesser trochanter of femur
A: hip flexion

Question 15

psoas major

Answer 15

O: t12-L5
I: Lesser trochanter
a: hip flexion.

Question 16

When does Psoas major and iliacus combine into iliopsoas?

Answer 16

inguinal ligament

Question 17

Bicep femoris OIA

Answer 17

O: long head ischial tuberosity, short head linea aspara

I: lateral condyle of tibia, head of fibula

A: both do knee flexion but long head also does hip extension

Question 18

Semimembranosus OIA

Answer 18

O:ischial tuberosity
I:medial condyle of tibia
A: hip extension, knee flexion

Question 19

Semitendonosus OIA

Answer 19

O: ischial tuberosity
I: proximal medial tibia
A: hip extension, knee flexion

Question 20

sartorius OIA

Answer 20

O: ASIS
I: medial tibia near tibial tuberosity
A: knee flexion, hip flexion and abduction

Question 21

popliteus OIA

Answer 21

O: lateral condyle of femur
I: posterior proximal tibia
A: knee flexion

Question 22

Rectus femoris OIA

Answer 22

O: AIIS
I: tibial tuberosity
A: knee extension and hip flexion

Question 23

Vastus medialis OIA

Answer 23

O: linea aspara
I: tibial tuberosity
A: knee extension

Question 24

vastus lateralis OIA

Answer 24

O: femur inferior to greater trochanter and linea aspara
I: tibial tuberosity
A: knee extension

Question 25

vastus intermedius OIA

Answer 25

O: anterolateral femur and linea aspara I: tibial tuberosity A: knee extension

Question 26

Tibialis anterior

Answer 26

O: lateral condyle of tibia and proximal shaft of tibia I: base mt1 and medial cuneiform A: dorsiflexion, inversion

Question 27

Gastrocnemius OIA

Answer 27

O: condyles of the femur I: calcaneus A: planar and knee flexion

Question 28

Soleus OIA

Answer 28

O: soleal line I: calcaneus A: planar flexion

Question 29

tibialis posterior OIA

Answer 29

O: interosseous membrane and adjacent surfaces of tibia and fibula I: cuboid, navicular, all cuneiform bones and mt 2-4 A: Plantar flexion and inversion

Question 30

Fibularis longus OIA

Answer 30

O: head and proximal shaft of fibula I: base mt1 and medial cuneiform A: plantar flexion and eversion

Question 31

fibularis brevis OIA

Answer 31

O: Midlateral margin of fibula I: base MT5 A: plantar flexion and eversion

Question 32

Plantaris OIA

Answer 32

O: lateral supracondyular ridge I: calcaneus A: knee flexion and plantar flexion

Question 33

Flexor digitorum longus

Answer 33

O: medial posterior tibia I: distal inferior phalanx 2-5 A: toe 2-5 flexion, plantar flexion,

Question 34

Flexor hallucis longus

Answer 34

O: posterior surface of fibula I: distal inferior phalanx 1 A: toe 1 flexion, plantar flexion

Question 35

Extensor digitorum longus

Answer 35

O: anterior fibula and lateral tibial condyle I: superior phalanx 2-5, A: toe 2-5 extension, dorsal flexion

Question 36

fibularis tertius

Answer 36

O: anterior distal fibula I: base mt5 A: eversion and dorsiflexion

Question 37

extensor hallucis longus

Answer 37

O: anterior fibula I: superior distal phalanx 1 A: phalange 1 extension dorsi flexion

Question 38

passage through what structures allows a muscle to perform inversion or eversion?

Answer 38

the malleoli

Question 39

where is the superficial fibular nerve

Answer 39

lateral legw

Question 40

where is the deep fibular nerve

Answer 40

anterior leg

Question 41

what are the ligaments that support the medial side of the subtalar and the talocrural joint

Answer 41

deltoid ligament

Question 42

what are the ligaments that support the lateral side of the subtler and talocrual joint

Answer 42

anterior and posterior talofibular ligament, calcaneofibular ligament.