Lower Extremity OIANs Flashcards
Gluteus Maximus O
Iliuem posterior to posterior gluteal line
Sacrum
Coccyx
Gluteus Maximus I
Iliotibial tract and gluteal tuberosity of femur.
Gluteus Maximus A
Extends flexed thigh, abducts thigh, assists lateral rotation.
Gluteus Maximus N
Inferior Gluteal Nerve
Gluteus Medius O
Lateral Ilium between anterior and posterior gluteal lines
Gluteus Medius I
Lateral surface of greater trochanter of femur.
Gluteus Medius A
Abducts and medially rotates (ant fibers) thigh at hips. Steadies pelvis on leg when opp leg raised.
Gluteus Medius N
Superior gluteal nerve
Gluteal Minimus O
Lateral ilium b/t anterior & inferior gluteal lines
Gluteal Minimus I
Anterior surface of greater trochanter of femur.
Gluteal Minimus A
Abducts and internally rotates thigh at hips. Steadies pelvis on leg when opp. leg is raised.
Gluteal Minimus N
Superior gluteal nerve.
Piriformis O
Anterior surface of sacral segments 2-4. Sacrotuberous ligament.
Piriformis I
Superior border of greater trochanter of femur.
Piriformis A
Externally Rotates extended thigh, abducts flexed thigh at hip.
Piriformis N
Sacral Plexus - L5,S1, S2
Superior Gemellus O
Outer surface of ischial spine
Superior Gemellus I
Greater trochanter of femur
Superior Gemellus A
External rotation, extended thigh at hip.
Superior Gemellus N
Nerve to obturator internus/ Sacral plexus- L5 S1 S2
Obturator Internus O
Pelvic surface of obturator membrane and surrounding bone.
Obturator Internus I
Medial surface of greater trochanter of femur.
Obturator Internus A
External rotation, extended thigh. Abducts flexed thigh at hip.
Obturator Internus N
Nerve to obturator internus/ Sacral Plexus- L5 S1 S2
Inferior Gemellus O
Ischial Tuberosity
Inferior Gemellus I
Medial surface of greater trochanter of femur.
Inferior Gemellus A
External rotates hip
Inferior Gemellus N
Sacral Plexus- L5 S1 S2/ Nerve to quadratus femoris
Quadratus Femoris O
Lateral margin of ischial tuberosity
Quadratus Femoris I
Quadrate tubercle on intertrochanteric crest of femur.
Quadratus Femoris A
External rotates hip
Quadratus Femoris N
Nerve to quadratis femoris/ Sacral Plexus- L4 L5 S1
Obturator Externus O
Margins of obturator foramen, membrane
Obturator Externus I
Trochanteric fossa of femur
Obturator Externus A
Externally rotates hip, stabilizes head of femur in acetabulum
Obturator Externus N
Obturator
Tensor Fasciae Latae O
ASIS and anterior part of iliac crest
Tensor Fasciae Latae I
Iliotibial tract
Tensor Fasciae Latae A
Abducts, internally rotates, and flexes thigh at hip.
Helps to keep knee extended.
Tensor Fasciae Latae N
Superior gluteal nerve
Biceps Femoris O
Long Head- Ischial Tuberosity
Short Head- Linea Aspera & Lateral Supercondylar ridge of femur
Biceps Femoris I
Lateral Side of head of fibula
Biceps Femoris A
Flexes and laterally rotates knee, extends hip.
Biceps Femoris N
Sciatic. Long – tibial. Short- fibular
Semitendinosus O
Ischial Tuberosity
Semitendinosus I
Superior part of medial surface of tibia
Semitendinosus A
Flexes leg, extends thigh
Semitendinosus N
Sciatic nerve (tibial)
Semimembranosus O
Ischial Tuberosity
Semimembranosus I
Posterior part of medial condyle of tibia
Semimembranosus A
Flexes knee, extends thigh
Semimembranosus N
Sciatic nerve (tibial)
Rectus Femoris O
O: AIIS and Illium superior to acetabulum
Rectus Femoris I
Base of patella and tibial tuberosity
Rectus Femoris A
Extend knee and flexes hip
Rectus Femoris N
Femoral nerve
Vastus Lateralis O
Greater tochanter, linea aspera
Vastus Lateralis I
Base of patella and tibial tuberosity
Vastus Lateralis A
Extends knee
Vastus Lateralis N
Femoral
Vastus Medialis O
Intertorhcanteric line, linea aspera
Vastus Medialis I
Base of patella and tibial tuberosity
Vastus Medialis A
Extends leg at knee joint
Vastus Medialis N
Femoral
Vastus Intermedius O
Anterior and lateral surfaces of body of femur
Vastus Intermedius I
Base of patella and tibial tuberosity
Vastus Intermedius A
Extends knee
Vastus Intermedius N
Femoral
Sartorius O
ASIS and superior part of notch below it.
Sartorius I
Proximal, medial surface of tibia
Sartorius A
Abducts, laterally rotates, and flexes thigh. Flexes knee at knee joint.
Sartorius N
Femoral
Psoas Major O
O: Transverse Process & Side bodies of T12-L5.
Psoas Major I
Lesser trochanter of femur
Psoas Major A
Flexes vertebral column, hip, trunk. Balance trunk while sitting
Psoas Major N
Ventral Rami of first lumbar nerve
Illiacus O
O: Superior 2/3 of iliac fossa, iliac crest, ala of sacrum, anterior sacro-iliac ligaments
Illiacus I
Lesser trochanter of femur and shaft inferior to it to psoas major tendon
Illiacus A
Flexes thigh at hips and stabilizes hip joint, acts with psoas major
Illiacus N
Femoral
Adductor Longus O
Body of pubis inferior to pubic crest
Adductor Longus I
Middle third of linea aspera of femur
Adductor Longus A
Adducts hip
Adductor Longus N
Obturator
Adductor Brevis O
Body and interior pubic ramus
Adductor Brevis I
Pectineal line and proximal part of linea aspera of femur
Adductor Brevis A
Adducts hip, weak hip flexor
Adductor Brevis N
Obturator
Adductor Magnus O
Inferior pubic ramus, ramus of ischium
Adductor Magnus I
Gluteal tuberosity, linea aspera, medial supracondylar line
Adductor Magnus A
Adductor: Adducts and flexes hip
Hamstring: extends thigh
Adductor Magnus N
Obturator, sciatic
Gracilis O
Body of inferior ramus of pubis
Gracilis I
Superior part of medial surface of tibia
Gracilis A
Adducts hip, flexes and internally rotates hip
Gracilis N
Obturator
Pectineus O
Superior ramus of pubis
Pectineus I
Pectineal line of femur
Pectineus A
Adducts and flexes hip
Pectineus N
Femoral
Extensor Digitorum Longus O
Lateral condyle of tibia, proximal - anterior interosseous membrane and fibula
Extensor Digitorum Longus I
Middle and distal phalanges of lateral four digits
Extensor Digitorum Longus A
Extends lateral four digits and dorsiflexes foot at ankle
Extensor Digitorum Longus N
Deep Fibular
Extensor Hallucis Longus O
O: Middle of anterior surface of fibula and interosseous membrane
Extensor Hallucis Longus I
Dorsal aspect of base of distal phalanx of great toe
Extensor Hallucis Longus A
Extends great toe, dorsiflexes foot at ankle
Extensor Hallucis Longus N
Deep fibular
Peroneus Tertius O
Distal anterior surface of fibula and interosseous membrane
Peroneus Tertius I
Dorsum of base of 5th metacarpal
Peroneus Tertius A
Dorsiflexes foot at ankle and aids in eversion of foot
Peroneus Tertius N
Deep fibular
Tibialis Anterior O
Lateral condyle, proximal half of lateral tibia, interosseous membrane
Tibialis Anterior I
Medial plantar surfaces of medial cuneiform and base of 1st metatarsal
Tibialis Anterior A
Dorsiflexes foot at ankle and inverts foot
Tibialis Anterior N
Deep fibular
Tibialis Posterior O
Posterior tibial below soleal line, interosseous membrane, proximal posterior fibula
Tibialis Posterior I
Tuberosity of navicular bone, all cuneiforms, cuboid, bases of 2nd-4th metatarsals
Tibialis Posterior A
Plantarflexes foot at ankle and inverts foot
Tibialis Posterior N
Tibial
Gastrocnemius O
Lateral Head: lateral part of lateral condyle of femur
Medial: Popliteal surface above medial condyle of femur
Gastrocnemius I
Posterior aspect of calcaneus via calcaneal tendon
Gastrocnemius A
Plantarflexes foot at ankle, assists in flexion of knee joint, raises heel during walking.
Gastrocnemius N
Tibial
Soleus O
Posterior aspect of head of fibula, proximal part of posterior surface of fibula, soleal line of tibia
Soleus I
Posterior aspect of calcaenus via calcaneal tendon
Soleus A
Plantarflexes foot at ankle, stabilizes leg over foot.
Soleus N
Tibial
Plantaris O
Inferior end of lateral supracondylar line of femur and oblique popliteal ligament
Plantaris I
Posterior aspect of calcaneus via calcaenal ligament
Plantaris A
Weakly assists gastroc.
Plantaris N
Tibial
Popliteus O
Lateral condyle of femur
Popliteus I
Posterior surface of tibia
Popliteus A
Flexion and IR of knee
Popliteus N
Tibial
Flexor Digitorum Longus O
Medial part of posterior tibia inferior to soleal line
Flexor Digitorum Longus I
Plantar bases of distal phalanges of lateral 4 digits.
Flexor Digitorum Longus A
Flexes lateral 4 digits and plantarflexes foot at ankle. Supports longitudinal arches of foot.
Flexor Digitorum Longus N
Tibial
Flexor Hallucis Longus O
Distal posterior fibula and interosseous membrane
Flexor Hallucis Longus I
Base of distal phalanx of great toe (Hallux).
Flexor Hallucis Longus A
Flexes all joints of great toe, weakly plantar flexes foot at ankle
Flexor Hallucis Longus N
Tibial
Peroneus Longus O
Head and proximal lateral fibula
Peroneus Longus I
Plantar base of 1st metatarsal and medial cuneiform
Peroneus Longus A
Everts foot and weakly plantarflexes foot at ankle
Peroneus Longus N
Superficial peroneal (fibular)
Peroneus Brevis O
Distal lateral surface of fibula
Peroneus Brevis I
Dorsal surface of tuberosity on lateral side of 5th metatarsal
Peroneus Brevis A
Everts foot and weakly plantarflexes foot at ankle
Peroneus Brevis N
Superficial peroneal (fibular)