Properties of Leg Muscles
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each of the black spaces below before clicking
on it to display the answer.
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| show | Ilium, dorsal surface of sacrum and coccyx, sacrotuberous ligament
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| Gluteus Max: insertion | show 🗑
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| Gluteus Max: Action | show 🗑
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| Gluteus max: innervation | show 🗑
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| Gluteus medius: origin | show 🗑
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| Gluteus medius: insertion | show 🗑
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| show | abducts and medially rotates thigh
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| show | Superior gluteal nerve
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| Gluteus minimus: origin | show 🗑
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| Gluteus minimus: insertion | show 🗑
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| Gluteus minimus: action | show 🗑
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| show | Superior gluteal nerve
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| show | laterally rotates extended thigh and abducts flexed thigh
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| Piriformis: origin | show 🗑
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| show | superior border of greater trochanter of femur
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| Piriformis: innervation | show 🗑
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| Obturator internus: origin | show 🗑
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| show | trochanteric fossa
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| obturator internus: action | show 🗑
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| show | nerve to obturator internus
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| show | ischial spine
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| show | trochanteric fossa
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| show | laterally rotates extended thigh and abducts flexed thigh (with obturator internus and piriformis)
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| superior gemellus: innervation | show 🗑
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| show | ischial tuberosity
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| inferior gamellus: insertion | show 🗑
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| show | laterally rotates extended thigh and abducts flexed thigh (with piriformis, obturator internus, and superior gamellus)
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| show | nerve to quadratus femoris
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| show | lateral border of ischial tuberosity
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| quadratus femoris: insertion | show 🗑
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| quadratus femoris: action | show 🗑
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| show | nerve to quadratus femoris
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| show | piriformis, obturator internus, superior and inferior gemellus, quadratus femoris
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| semitendinosus: origin | show 🗑
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| semitendinosus: insertion | show 🗑
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| show | extend thigh (flex leg and rotate it medially when knee is flexed; when thigh and leg are flexed, can extend trunk)
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| semitendinosus: innervation | show 🗑
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| semimembranosus: origin | show 🗑
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| show | posterior part of medial condyle of tibia
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| show | extend thigh (flex leg and rotate it medially when knee is flexed; when thigh and leg are flexed, can extend trunk)
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| show | tibial division of sciatic nerve
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| show | Long head: ischial tuberosity. Short head: linea aspera and lateral supracondylar line of femur
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| show | lateral side of head of fibula
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| biceps femoris: action | show 🗑
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| show | Long head: tibial division of sciatic nerve. Short head: common fibular division of sciatic nerve
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| 3 hamstring muscles | show 🗑
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| show | superior ramus of pubis
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| pectineus: insertion | show 🗑
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| show | adducts and flexes thigh, assists with medial rotation of thigh
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| show | femoral nerve
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| show | sides of T12-L5 vertebrae and their discs, transverse processes of all lumbar vertebra
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| psoas major: action | show 🗑
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| show | lesser trochanter of femur
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| show | ventral rami of lumbar nerves (L1-3)
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| show | sides of T12-L1 vertebrae and discs
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| show | pectineal line, iliopectineal eminence via iliopectineal arch
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| psoas minor: action | show 🗑
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| psoas minor: innervation | show 🗑
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| show | iliac crest, iliac fossa, ala of sacrum, and anterior sacroiliac ligaments
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| iliacus: insertion | show 🗑
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| iliacus: action | show 🗑
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| iliacus: innervation | show 🗑
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| show | psoas major and minor, iliacus
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| tensor fascia lata: origin | show 🗑
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| show | IT tract that attaches to the lateral condyle of the tibia
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| tensor fascia lata: action | show 🗑
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| tensor fascia lata: innervation | show 🗑
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| sartorius: origin | show 🗑
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| show | superior part of medial surface of tibia
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| show | flexes, abducts, and laterally rotates thigh at hip joint; flexes leg at knee joint
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| sartorius: innervation | show 🗑
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| show | rectus femoris, vastus femoris, vastus medialis, vastus intermedius
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| Quadriceps group: insertion | show 🗑
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| quadriceps group: action | show 🗑
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| show | femoral nerve
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| show | anterior inferior iliac spine and ilium superior to acetabulum
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| rectus femoris: action | show 🗑
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| vastus lateralis: origin | show 🗑
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| vastus medialis: origin | show 🗑
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| show | anterior and lateral surfaces of body of femur
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| adductor longus: origin | show 🗑
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| show | middle third of linea aspera of femur
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| show | adducts thigh
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| show | obturator nerve, branch of anterior division
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| adductor brevis: origin | show 🗑
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| adductor brevis: insertion | show 🗑
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| show | adducts thigh and to some extent flexes it
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| show | obturator nerve, branch of anterior division
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| adductor magnus (adductor part): origin | show 🗑
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| show | gluteal tuberosity, lineal aspera, medial supracondylar line
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| show | adducts and flexes thigh
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| show | obturator nerve, branches of posterior division
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| adductor magnus(hamstring part): origin | show 🗑
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| adductor magnus (hamstring part): insertion | show 🗑
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| adductor magnus (hamstring part): action | show 🗑
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| show | tibial part of sciatic nerve
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| show | body and inferior ramus of pubis
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| gracilis: insertion | show 🗑
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| show | adducts thigh, flexes leg, and helps rotate it medially
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| show | obturator nerve
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| show | margins of obturator foramen and obturator membrane
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| show | trochanteric fossa of femur
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| show | obturator nerve
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| obturator externus: action | show 🗑
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| tibialis anterior; origin | show 🗑
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| show | medial and inferior surfaces of medial cuneiform and base of first metatarsal
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| show | dorsiflexes ankle and inverts foot
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| show | deep fibular (peroneal)nerve
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| extensor digitorum longus: origin | show 🗑
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| extensor digitorum longus: insertion | show 🗑
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| show | extends lateral 4 digits and dorsiflexes ankle
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| show | deep fibular nerve
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| extensor hallucis longus: origin | show 🗑
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| show | dorsal aspect of base of distal phalynx of great toe
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| extensor hallucis longus: action | show 🗑
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| extensor hallucis longus: innervation | show 🗑
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| fibularus (peroneus) tertius: origin | show 🗑
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| show | dorsum of base of 5th metatarsal
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| fibularis (peroneus) tertius; action | show 🗑
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| fibularis tertius: innervation | show 🗑
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| show | head and superior 2/3 of lateral surface of fibula
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| fibularis longus: insertion | show 🗑
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| fibularis longus: action | show 🗑
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| fibularis longus: innervation | show 🗑
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| show | inferior 2/3 of lateral surface of fibula
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| show | dorsal surface of tuberosity on lateral side of base of 5th metatarsal
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| show | everts foot and weakly plantarflexes ankle
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| fbularis brvis: innervation | show 🗑
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| 4 muscles of the anterior and lateral leg that are innervated by the deep fibular nerve | show 🗑
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| 2 muscles of the anterior/ lateral leg that are innervated by the superficial fibular nerve | show 🗑
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| gastrocnemius:origin | show 🗑
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| show | posterior surface of calcaneous via calcaneal tendon
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| gastroc: action | show 🗑
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| gastroc: innervation | show 🗑
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| show | posterior aspect of head of fibula, superior 1/4 of posterior surface of fibula, soleal line, medial border of tibia
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| soleus: insertion | show 🗑
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| show | plantarflexes ankle independent of knee position and steadies leg on foot
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| soleus: innervation | show 🗑
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| show | inferior end of lateral supracondylar line of femur and oblique popliteal ligament
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| show | posterior surface of calcaneus via calcaneal tendon
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| show | weakly assists gastroc in plantarflexing ankle and flexing knee
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| plantaris: innervation | show 🗑
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| show | lateral surface of lateral femoral condyle and lateral meniscus
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| popliteus: insertion | show 🗑
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| show | weakly flexes knee and unlocks it
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| popliteus: innervation | show 🗑
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| show | inferior 2/3 of posterior surface of fibula and inferior part of interosseous membrane
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| show | base of distal phalynx of great toe
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| show | flexes great toe at all joints and weakly plantarflexes ankle; supports medial longitudinal arches of foot
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| show | tibial nerve
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| flexor digitorum longus: origin | show 🗑
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| show | bases of distal phalanges of lateral 4 digits
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| show | flexes lateral 4 digits and plantarflexes ankle, supports longitudinal arches of foot
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| flexor digitorum longus: innervation | show 🗑
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| tibilais posterior: origin | show 🗑
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| tibialis posterior: insertion | show 🗑
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| show | plantarflexes ankle and inverts foot
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| tibialis posterior: innervation | show 🗑
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| All posterior leg muscles are innervated by this | show 🗑
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| show | obturator internus, superior gemellus
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| 2 muscles innervated by the nerve to quadratus femoris | show 🗑
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| show | semitendinosus, semimembranosus, biceps femoris
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| Exception to the rule that all hamstring muscles are innervated by the tibial division of the sciatic nerve | show 🗑
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| 10 anterior thigh muscles | show 🗑
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| 5 medial thigh muscles | show 🗑
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| All medial thigh muscles are innervated by this nerve | show 🗑
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| show | Fibular nerve
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| show | tibial nerve
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Created by:
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