lower extremity muscles and OIA Flashcards
Gluteus Maximus OIA
O: iliac crest, Thorocolumbar fascia, sacrum, posterior gluteal line, coccyx
I: IT band, gluteal tuberosity femur
A: abduction, lateral rotation and extension of hip
Gluteus Medius OIA
O: ilium surface between posterior and anterior lines, anterior iliac crest
I: greater trochanter of femur
A: abduction and medial rotation of hip
gluteus minimus
O: ilium surface between anterior and inferior gluteal lines
I: greater trochanter of femur
A: medial rotation and abduction of the hip.
Tensor fascia latae OIA
O: Anterior superior iliac spine, iliac crest
I: IT band
A: hip flexion, knee extension, abduction, medial rotation of thigh, lateral rotation of leg
Obturator internus OIA
O: surrounding obturator foramen
I: greater trochanter femur
A: Lateral rotation, abduction of hip
Piriformis OIA
O: sacrum
I: greater trochanter of the femur
A: lateral rotation, abduction of hip
Gemellus superior and inferior OIA
O: superior ischial spine, inferior ischial tuberosity
I: greater trochanter femur
A: lateral rotation abduction hip
quadratus femoris OIA
O: ischial tuberosity
I: intertrochanteric crest of femur
A: lateral rotation of hip
Pectineus OIA
O: superior pubic ramus
I: pectineal line on femur
A: hip flexion adduction.
Adductor brevis OIA
O: inferior pubic ramus
I: linea aspara of femur
A: hip flexion and adduction
Adductor longus OIA
O: inferior pubic ramus
I: linea aspara of femur
A: hip flexion and adduction. medial rotation
adductor Magnus OIA
O: inferior pubic ramus, ischial tuberosity
I: linea aspara, adductor tubercle femur
a: adduction flexion and extension of hip medial rotation
Gracialis OIA
O: inferior pubic ramus
I: inferior to medial condyle of tibia
A: hip adduction medial rotation, knee flexion medial rotation
Iliacus OIA
O: iliac fossa
I: lesser trochanter of femur
A: hip flexion
psoas major
O: t12-L5
I: Lesser trochanter
a: hip flexion.
When does Psoas major and iliacus combine into iliopsoas?
inguinal ligament
Bicep femoris OIA
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
Semimembranosus OIA
O:ischial tuberosity
I:medial condyle of tibia
A: hip extension, knee flexion
Semitendonosus OIA
O: ischial tuberosity
I: proximal medial tibia
A: hip extension, knee flexion
sartorius OIA
O: ASIS
I: medial tibia near tibial tuberosity
A: knee flexion, hip flexion and abduction
popliteus OIA
O: lateral condyle of femur
I: posterior proximal tibia
A: knee flexion
Rectus femoris OIA
O: AIIS
I: tibial tuberosity
A: knee extension and hip flexion
Vastus medialis OIA
O: linea aspara
I: tibial tuberosity
A: knee extension
vastus lateralis OIA
O: femur inferior to greater trochanter and linea aspara
I: tibial tuberosity
A: knee extension
vastus intermedius OIA
O: anterolateral femur and linea aspara
I: tibial tuberosity
A: knee extension
Tibialis anterior
O: lateral condyle of tibia and proximal shaft of tibia
I: base mt1 and medial cuneiform
A: dorsiflexion, inversion
Gastrocnemius OIA
O: condyles of the femur
I: calcaneus
A: planar and knee flexion
Soleus OIA
O: soleal line
I: calcaneus
A: planar flexion
tibialis posterior OIA
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
Fibularis longus OIA
O: head and proximal shaft of fibula
I: base mt1 and medial cuneiform
A: plantar flexion and eversion
fibularis brevis OIA
O: Midlateral margin of fibula
I: base MT5
A: plantar flexion and eversion
Plantaris OIA
O: lateral supracondyular ridge
I: calcaneus
A: knee flexion and plantar flexion
Flexor digitorum longus
O: medial posterior tibia
I: distal inferior phalanx 2-5
A: toe 2-5 flexion, plantar flexion,
Flexor hallucis longus
O: posterior surface of fibula
I: distal inferior phalanx 1
A: toe 1 flexion, plantar flexion
Extensor digitorum longus
O: anterior fibula and lateral tibial condyle
I: superior phalanx 2-5,
A: toe 2-5 extension, dorsal flexion
fibularis tertius
O: anterior distal fibula
I: base mt5
A: eversion and dorsiflexion
extensor hallucis longus
O: anterior fibula
I: superior distal phalanx 1
A: phalange 1 extension dorsi flexion
passage through what structures allows a muscle to perform inversion or eversion?
the malleoli
where is the superficial fibular nerve
lateral legw
where is the deep fibular nerve
anterior leg
what are the ligaments that support the medial side of the subtalar and the talocrural joint
deltoid ligament
what are the ligaments that support the lateral side of the subtler and talocrual joint
anterior and posterior talofibular ligament, calcaneofibular ligament.
