Lower limb muscles Flashcards
Iliopsoas
O: 1.psoas major- T12 vertebrae+ L1-L5 costal processes
2. Iliacus - iliac fossa & crest of sacrum
I: Lesser Trochanter
I: Lumbar plexus
F: anteflexion, adduction, lat. rotation
Psoas Minor
O: T12-L1 lat. surface
I: iliopubic eminence, pectineal line
I: Lumbar plexus
Gluteus Maximus
O: iliac crest, PSIS, thoracolumbar fascia, sacrum, wing of ilium, sacrotuberal ligament
I: Gluteal tuberosity, Iliotibial tract
I: Inferior Gluteal nerve
F: extension of hip joint, lat. rotation, adduction
Gluteus Medius
O: wing of ilium between ant. and post. gluteal lines, iliac crest
I: Greater trochanter
I: Superior gluteal nerve
Gluteus Minimus
O: wing of ilium between ant. and inf. gluteal lines
I: Greater trochanter
I: Superior Gluteal nerve
Tensor Fascia Latae
O: ASIS, anterior iliac crest
I: iliotibial tract, lateral condyle of tibia
I:Superior Gluteal nerve
F: medial rotation, abduction, elevation
Piriformis
O: Pelvic surface of sacrum, sacrotuberal ligament
I: Greater trochanter
I: sacral plexus
Obturator internus
O: pelvic surface of obturator membrane
I: Trochateric fossa
I: Nerve to obturator internus
F: lat.rotation, adduction
Superior Gamellus
O: Ischial spine
I: Trochanteric fossa
I: sacral plexus
F: adduction, lat. rotation
Inferior Gamellus
O: Ischial tuberosity
I: Trochanteric fossa
I: Sacral plexus
F: Lat. rotation, Adduction
Quadratus Femoris
O: Ischial tuberosity
I: Intertrochanteric crest, quadrate tubercle
I: Sacral plexus
F: Lat. rotation, adduction
Obturator Externus
O: External surface of obturator membrane
I: Trochanteric fossa
I: Obturator nerve
Gracilis
O: body and inferior pubic ramus
I: Pes Anserinus Superficialis
I: Obturator nerve
F: adduction
Pectineus
O: Iliopubic eminence, pectin pubis
I: pectineal line
I: Obturator nerve
F: adduction
Adductor brevis
O: inferior rams of pubis
I: proximal medial lip of linea aspera
I: Obturator nerve
F: adduction
Adductor Longus
O: superior ramus o pubis
I: middle medial lip of line aspera
I: Obturator nerve
F: adduction
Adductor Magnus
O: 1. muscular part - inferior pubic ramus
2. tendinous part - ischial tuberosity
I: 1. medial linea aspera, supra condylar line
2. adductor tubercle
I: 1. Obturator nerve
2. Tibial nerve
F: adduction, med. rotation, retroflexion
Adductor minimus
O: inferior pubic ramus
I: medial lip of linea aspera
I: Obturator nerve
Quadriceps femoris
O: 1. Rectus femoris - ASIS, supraacetabular groove
2. Vastus intermedius- ant. and lat. shaft of femur
3. Vastus medialis - medial lip of liea aspera
4. vastus lateralis - lateral lip of line aspera, greater trochanter
I: Common quadriceps tendon onto Patella
I: Femoral nerve
Sartorius
O: ASIS
I: pes anserinus superficialis
I: Femoral nerve
F: flexion of hip, flexion of knee joint, lat. rotation of hip
Biceps Femoris
O: 1. long head - ischial tuberosity
2. short head - middle lateral lip of line aspera
I: Head of fibula
I: 1. Tibial nerve
2. Common Peroneal nerveSemitendinosus
O: Ischial tuberosity
I: Pes Anserinus Superficialis
I: Tibial nerve
Semimembranosus
O: Ischial tuberosity
I: Pes Anserinus Profundus
I: Tibial nerve
Tibialis Anterior
O: Lateral surface of tibia, interosseous membrane
I: Medial cuneiform bone, base of 1st metatarsal
I: Deep Peroneal nerve
Extensor Digitorum Longus
O: Lateral condyle of tibia, head of fibula, interosseous membrane
I: middle + distal phalanges 2nd-5th
I: Deep Peroneal nerve
Extensor Hallucis Longus
O: Medial surface of fibula, interosseous membrane
I: dorsal base of distal phalanx of 1st toe
I: Deep Peroneal nerve
Peroneus Tertius
O: fibula, interosseous membrane
I: dorsal of base of 5th metatarsal
I: Deep Peroneal nerve
Peroneus Longus
O: head of fibula + superior 2/3
I: tuberosity of 1st metatarsal + medial cuneiform
I: Superficial Peroneal nerve
Peroneus Brevis
O: lateral surface of fibula
I: tuberosity of 5th metatarsal
I: Superficial Peroneal nerve
Soleus
O: Head of fibula, solid line
I: Calcaneal tendon - calcaneal tuberosity
I: Tibial nerve
Gastrocnemius
O: 1. medial head - medial femoral condyle
2. lateral head - lateral femoral condyle
I: Calcaneal tendon - calcaneal tuberosity
I: Tibial nerve
Plantaris
O: Oblique popliteal ligament, lateral femoral condyle
I: Calcaneal tendon - tuberosity
I: Tibial nerve
Tibialis Posterior
O: Interosseous membrane, tibia, fibula
I: tuberosity of navicular bone, 3 cuneiform bones
I: Tibial nerve
Flexor Hallucis Longus
O: Inf posterior fibula, interosseous membrane
I: base of distal phalanx of hallux
I: Tibial nerve
Flexor digitorum longus
O: Posterior surface of tibia
I: Bases of 2nd -5th distal phalanx
I: tibial nerve
Popliteus
O: Lateral femoral condyle
I: Posterior tibial surface
I: Tibial nerve
Extensor Digitorum Brevis
O: Calcaneus
I: Dorsal aponeurosis of 2nd-4th
I: Deep Peroneal nerve
Extensor Hallucis Brevis
O: Splits from Extensor digitorum brevis
I: Dorsal aponeurosis of 1st
I: Deep Peroneal nerve
Abductor Hallucis
O: Medial process of calcanea tuber + plantar aponeurosis
I: Base of proximal phalanx of 1st
I: Medial Plantar nerve
Flexor Hallucis Brevis
O: Medial cuneiform bone, long plantar ligament
I: med. and lat. sesamoid bones, proximal phalanx
I: Medial Plantar nerve
Adductor Hallucis
O: 1. oblique head - cuboid& lat. cuneiform, bases of 3rd-4th metatarsals
2. transverse head - 3rd-5th metatarsophalangeal joints
I: Lateral sesamoid bone of great toe
I: Lateral Plantar nerve
Opponens Digiti Minimi
O: long plantar ligament
I: 5th metatarsal shaft
I: Lateral plantar nerve
Flexor Digiti Minimi
O: base of 5th metatarsal bone, long plantar ligament
I: base of 5th proximal phalanx
I: Lateral Plantar nerve
Abductor Digit Minimi
O: Calcaneal tuber, tuberosity of 5th metatarsal
I: base of 5th proximal phalanx
I: Lateral Plantar nerve
Quadratus Plantae
O: Plantar surface of Calcaneus
I: Tendon of FDL
I: Lateral Plantar nerve
Flexor Digitorum Brevis
O: Plantar surface of calcaneal tuberosity
I: split tendons on middle phalanx of 2nd-5th
I: Medial Plantar nerve
Lumbricals
O: Medial surface of tendons of FDL
I: proximal phalanx of 2nd-5th
I: Medial Plantar nerve + Lateral Plantar nerve
Dorsal Interosseous
O: both sides of 1st-5th
I: proximal phalanx
I: Lateral plantar nerve
Plantar Interosseous
O: medial side of 3rd-5th
I: medial side of bases of phalanges 3-5
I:Lateral Plantar nerve
