Lower Limb Myos Flashcards
Adductor Magnus
Origin: Ischial and Pubic rami, ischial tubersoity
Insertion: linea aspera of femur
Action: Adducts and flex thigh
Innervation: Obturator nerve and Sciatic nerve
Gastrocnemius
Origin: Medial and Lateral condyles of femur
Insertion: posterior calcaneus via calcaneal tendon
Action: Plantarflexion
Innervation: Tibial Nerve
Gluteus Maximus
Origin: Dorsal ilium, sacrum, and coccyx
Insertion: Gluteal tuberosity of femur
Action: Extend thigh
Innervation: Inferior gluteal nerve
Biceps Femoris
Origin: Ischial Tuberosity; linea aspera
Insertion: head of fibula’ lateral condyle of femur
hamstring
Action: Extend thigh, flex knee
Innervation: Sciatic Nerve
Rectus Femoris
Origin: Anterior inferior iliac spine
Insertion: Patella and tibial tuberosity via patellar ligament
Action: Extend knee
Innervation: Femoral Nerve
quadricep
Semitendinosus
Origin: Ischial Tuberosity
Insertion: Medial Tibial shaft
Action: Extend thigh, flex knee
Innervation: Sciatic Nerve
hamstring
Semimembranosus
Origin: Ischial Tuberosity
Insertion: Medial condyle of tibia
Action: Extend thigh, flex knee
Innervation: Sciatic Nerve
hamstring
Vastus Intermedius
Origin: Proximal shaft of femur
Insertion: Patella and tibial tuberosity via patellar ligament
Action: Extend knee
Innervation: Femoral Nerve
quadricep
Vastus Medialis
Origin: linea aspera and intertrochantric line
Insertion: Patella and tibial tuberosity via patellar ligament
Action: Extend knee
Innervation: Femoral Nerve
quadricep
Iliacus
Origin: Iliac Fossa and Crest; ala of sacrum
Insertion: Lesser trochanter of femur
Action: Flex thigh
Innervation: Femoral Nerve
Vastus Lateralis
Origin: Greater trochanter
Insertion: Patella and tibial tuberosity via patellar ligament
Action: Extend knee
Innervation: Femoral Nerve
quadricep
Soleus
Origin: Proximal tibia and fibula head
Insertion: Posterior calcaneus
via calcaneal tendon
Action: Plantarflexion
Innervation: Tibial Nerve
Tibialis Anterior
Origin: Lateral condyle and tibial shaft
Insertion: Inferior medial cuneiform
Action: Dorsiflexion
Innervation: Common fibular nerve
