LE and Tunk OINAs Flashcards
External Oblique
O: Ribs 5-12
I: Anterior half of outer lip of iliac crest
N: T7-T12
A: Flexion of trunk (bilateral action); Rotation of trunk to opposite side; Ipsilateral Lateral bending of trunk; Tilts pelvis posteriorly
Internal Oblique
O: Anterior 2/3 of intermediate line of iliac crest
I: Ribs 9-12; cartilage of ribs 7-9; Pubis (crest and pecten pubis)
N: T7-T12, L1
A: Flexion of trunk (bilateral action); Rotation of trunk to same side; ipsilateral lateral bending of trunk
Transverse Abdominis
O: Iliac crest (anterior 2/3 of inner lip); Ribs 7-12
I: Pubis (crest and pecten pubis); linea alba
N: T7-T12, L1
A: Constricts abdomen; forced expiration
Rectus Abdominis
O: Lateral: pubis (tubercle on crest and pecten pubis); Medial: ligaments of symphyisis pubis
I: Ribs 5-7; sternum (xiphoid process)
N: T7-T12 ventral rami
A: Flexion of spine; posterior tilt
Psoas Major
O: TP of L1-L5; vertebral bodies and IV discs T12-L5
I: Lesser Trochanter of Femur
N: Lumbar Plexus L2-L4
A: Hip flexion (origin fixed); Trunk flexion (insertion fixed as in sit up); with insertion fixed, tightness contributes to increase lordosis
Psoas Minor
O: T12-L1 vertebral bodies and IV discs
I: Pecten Pubis; Ilium; Iliac Fascia
N: L1
A: Flexion of trunk and lumbar spine
Iliacus
O: Superior 2/3 iliac fossa; inner lip iliac crest; lateral sacrum
I: lesser trochanter of Femur
N: Femoral Nerve
A: Hip flexion; flexes pelvis on femur
Pectineus
O: Pecten Pubis
I: Femur (line from lesser trochanter to linea aspera)
N: Femoral Nerve, Obturator Nerve
A: Hip adduction
Gracilis
O: Inferior Ramus of Pubis; Ischial ramus
I: Medial surface of Tibia below tibial condyle (Pes Anserine)
N: Obturator Nerve
A: Hip adduction; knee flexion; medial rotation of knee
Adductor Longus
O: Pubis
I: Femur (middle 1/3 of medial lip of linea aspera)
N: Obturator Nerve
A: Hip adduction;
Adductor Brevis
O: Inferior ramus and body of Pubis
I: Femur (line from the lesser trochanter to proximal 1/3 of medial lip of linea aspera)
N: Obturator Nerve
A: Hip adduction; hip flexion
Adductor Magnus
O: Inferior ramus of pubis; ischium (inferior ramus, ischial tuberosity)
I: Femur (linea aspera, medial supracondylar line, adductor tubercle)
N: Obturator Nerve; Sciatic Nerve
A: Hip adduction; Role in hip rotation depends on thigh position
Gluteus Maximus
O: Ilium (posterior gluteal line and crest); Sacrum (dorsal surface); Coccyx (lateral surface)
I: IT band; Gluteal tuberosity of femur
N: Inferior Gluteal Nerve
A: Hip extension; Hip ER
Gluteus Medius
O: Ilium (outer surface between iliac crest and posterior gluteal line);
I: Greater trochanter of femur (oblique ridge on lateral surface)
N: Superior gluteal nerve
A: Hip abduction; Hip ER (posterior fibers); Hip IR (anterior fibers)
Gluteus Minimus
O: Ilium (between anterior and inferior gluteal lines)
I: Greater trochanter of femur (anterior surface); capsule of hip joint
N: Superior gluteal nerve
A: Hip abduction; Hip IR
Tensor Fascia Lata
O: Ilium (iliac crest); ASIS
I: IT band
N: Superior Gluteal Nerve
A: Hip flexion; Hip IR; Hip abduction
Piriformis
O: Sacrum; Ilium (gluteal surface near PIIS); SI joint capsule
I: Greater trochanter of femur ( superior border of medial aspect)
N: Nerve to piriformis
A: Hip ER
Obturator Internus
O: Pelvis (around obturator foramen); ischium (ramus); Pubis (inferior ramus);
I: Greater trochanter of femur (medial surface proximal to trochanteric fossa)
N: Nerve to obturator internus
A: Hip ER
Obturator Externus
O: Pubic ramus; ischial ramus; obturator foramen
I: Trochanteric fossa of femur
N: Obturator Nerve
A: Hip ER
Gemellus Superior
O: Ischial spine
I: Greater trochanter of femur
N: Nerve to obturator internus
A: Hip ER
Gemellus Inferior
O: Ischial Tuberosity
I: Greater Trochanter of femur
N: Nerve to quadratus femoris
A: Hip ER
Quadratus Femoris
O: Ischial tuberosity upper border
I: Quadrate tubercle on femur
N: Nerve to quadratus femoris
A: Hip ER
Biceps Femoris
O: Ischial tuberosity (long head); Lateral lip of linea aspera of femur (short head)
I: Fibular head; Lateral condyle of tibia
N: Long head = Sciatic Nerve, tibial division; Short head= sciatic nerve, perennial division
A: Knee flexion; knee ER; Hip extension (long head only)
Semitendinosus
O: Ischial tuberosity
I: Proximal medial shaft of tibia
N: Sciatic nerve
A: Knee flexion; Knee IR; Hip extension
Semimembranosus
O: Ischial tuberosity
I: Medial condyle of Tibia
N: Sciatic nerve
A: Knee flexion; Knee IR; Hip extension
Sartorius
O: ASIS of ilium
I: Proximal medial surface of Tibia
N: Femoral Nerve
A: Hip ER; Hip Abduction; Hip flexion; Knee flexion; Knee IR
Rectus Femoris
O: AIIS of ilium; acetabulum
I: Patella
N: Femoral Nerve
A: Knee extension; Hip flexion
Vastus Lateralis
O: lateral lip of linea aspera on femur; greater trochanter; intertrochanteric line; gluteal tuberosity
I: Patella
N: Femoral Nerve
A: Knee extension
Vastus Intermedius
O: Anterior and lateral surface of upper 1/3 shaft of femur
I: Patella
N: Femoral Nerve
A: Knee extension
Vastus Medialis
O: Intertrochanteric line lower half and medial lip of linea aspera of femur
I: Patella
N: Femoral Nerve
A: Knee extension
Articularis Genus
O: Lower anterior surface of femur
I: Knee joint synovial membrane
N: Femoral Nerve
A: Retracts synovial membrane during knee extension to preven entrapment between patella and femur
Popliteus
O: lateral condyle of femur
I: Posterior Tibia above soleal line
N: Tibial nerve
A: Knee flexion; Knee IR (origin fixed); Hip ER (insertion fixed)
Tibialis Anterior
O: Lateral condyle and proximal 2/3 of lateral Tibia
I: Medial cuneiform bone; 1st metatarsal
N: Deep peroneal nerve
A: ankle DF; foot INV
Tibialis Posterior
O: Proximal 2/3 of posterior lateral Tibia shaft; Proximal 2/3 of posterior medial Fibular shaft; fibula head
I: Navicular bone (tuberosity); Cuneiform bones; cuboid; 2nd-4th metatarsals
N: Tibial Nerve
A: Foot INV;
Gastrocnemius
O: Medial and lateral condyles of femur
I: Calcaneus
N: Tibial Nerve
A: Ankle PF; Foot INV (supination)
Soleus
O: Head and posterior surface of proximal 1/3 of fibula; soleal line and middle 1/3 of posterior tibia
I: Calcaneus
N: Tibial nerve
A: Ankle PF; foot INV (supination)
Plantaris
O: Supracondylar line of femur
I: Calcaneus
N: Tibial nerve
A: Ankle PF
Peroneus Longus
O: Fibula (head and upper 2/3 lateral shaft); lateral condyle of tibia
I: 1st metatarsal; 1st cuneiform; 2nd metatarsal
N: Superficial Peroneal Nerve
A: Foot EVE; depression of 1st metatarsal
Peroneus Brevis
O: Distal 2/3 of lateral fibula shaft
I: tuberosity on 5th metatarsal
N: Superficial Peroneal Nerve
A: Foot EVE
Peroneus Tertius
O: Distal 1/3 of medial fibula shaft
I: 5th metatarsal (dorsal surface)
N: Deep Peroneal Nerve
A: Ankle DF; Foot EVE
Extensor Digitorum Longus
O: Lateral condyle of tibia; upper 3/4 of fibula shaft
I: Middle phalanges of toes 2-4; lateral slips to distal phalanges of toes 2-4
N: Deep Peroneal Nerve
A: MP extension (of 4 lesser toes)
Extensor Digitorum Brevis
O: Calcaneus
I: 1 tendon goes to hallux; 2-4 tendons joint tendons of EDL
N: Deep Peroneal Nerve
A: MP extension of toes 2-4; MP extension of great toe
Flexor Digitorum Longus
O: Middle 2/3 of posterior tibia
I: Distal phalanges of toes 2-5
N: Tibial Nerve
A: MP, PIP, DIP flexion of toes 2-5
Flexor Digitorum Brevis
O: Calcaneus (tuberosity)
I: Middle phalanges of toes 2-5
N: Medial plantar nerve
A: MP and PIP flexion of toes 2-5
Abductor Digit Minimi
O: Calcaneus (tuberosity & medial/lateral processes)
I: Lateral base of proximal phalanx of 5th toe
N: Lateral Plantar Nerve
A: 5th toe Abduction; 5th toe MP flexion
Flexor Digit Minimi Brevis
O: 5th metatarsal
I: Proximal phalanx of 5th toe
N: Lateral Plantar Nerve
A: 5th toe MP flexion
Quadratus Plantae
O: Lateral head: lateral calcaneus; medial head: medial calcaneus
I: Lateral side of tendon of FDL
N: lateral plantar nerve
A: DIP flexion of toes 2-5 in synergy with FDL
Lumbricales
O:
I:
N: 1st= Medial Plantar Nerve; 2-4= Lateral Plantar nerve
A: MP flexion of toes 2-5
Dorsal Interossei
O:
I:
N: Lateral plantar nerve
A: Abduction of toes 2-4
Plantar Interossei
O:
I:
N: Lateral plantar nerve
A: Adduction of toes 2-4
Extensor Hallucis Longus
O: Middle Medial fibula shaft
I: Base of distal phalanx of hallux
N: Deep Peroneal Nerve
A: Great toe MP and IP extension
Flexor Hallucis Longus
O: Inferior 3/4 of posterior fibula
I: distal phalanx of hallux
N: Tibial Nerve
A: Great toe IP flexion
Flexor Hallucis Brevis
O: Cuboid; cuneiform
I: sides of proximal phalanx of hallux
N: Medial Plantar Nerve
A: Abduction of great toe
Adductor Hallucis
O: Oblique head: 2nd-4th metatarsals; transverse head: toes 3-5
I: Base of proximal phalanx of hallux; lateral sesamoid bone
N: Lateral Plantar Nerve
A: Great toe adduction
Abductor Hallucis
O: Calcaenus
I: Medial side of proximal phalanx of hallux
N: Medial plantar nerve
A: Abduction of great toe