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Origins & Insertions

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Terms in this set (26)

  • Gastrocnemius

    O: two head attatched to medial and laderal condyles of femur

    I: calcaneus

    A: plantar flexes foot

  • Plantaris

    O:posterior femur above ladera condyle

    I:calcaneus

    A: flex leg and plantar flex foot

  • Fibularis Longus

    O: head of upper portion of fibula

    I: tendon to 1st metatarsal

    A: plantar flexes and everts foot

  • Fibularis brevis

    O: distal fibula shaft

    I: tendon to 5th metatarsal

    A: plantar flexes and everts foot

  • Tibialis Anterior

    O: lateral condyle and upper 2/3 of tibial shaft

    I: tarsals and metatarsals

    A: dorsiflextion

  • Extensor Digitorum Longus

    O: lateral condyle of tibia, proximal 2/3 of fibula

    I: 2nd-5th phalanges

    A: extends the toes

  • Soleus

    O: superior tibia, fibula, and interosseous membrane

    I: calcaneous via tendon

    A: plantar flexes foot

  • Semimembranousus

    O: Ischial tuberosity

    I: medial tibal condyle

    A: extends thigh and flexes leg

  • Semitendinosus

    O: ischial tuberosity

    I: medial aspect of upper tibial shaft

    A: extends thigh and flexes leg

  • Gluteus Maximus

    O: dorsal ilium, sacrum, and coccyx

    I: gluteal tuberosity and iliotibial track

    A: extends the thigh

  • Biceps femoris

    O: long head-ischial tuberosity

    short head- lonea aspera, distal femur

    I: tendon inserting into head of fibula and lateral condyle of tibia

    A: extend thigh, flexes leg

  • Gluteus Medius

    O: lateral surface of ilium

    I: greater trochanter

    A: Abducts and medially rotates thigh

  • Iliotibial tract

    O: iliac crest

    I: knee

    A: extend, abduct, and laterally rotate the hop contributes to lateral knee stabilization

  • Tensor fasciae latae

    O: iliac crest and anterior superior iliac spine

    I: iliotibial tract

    A: steadies leg and trunck on thigh by making iliotibial tract taunt

  • Vastus Intermeduis

    O: proximal femue shaft

    I: patella and tibial tuberosity via patella tendon

    A: extends leg

  • Vastus Medialis

    O: linea aspera and inter-trochanteric line

    I: patella and tibial tuberosity via patella tendon

    A: extends leg

  • Vastus Lateralis

    O: greater trochanter, inter-trochanteric line, linea aspera

    I: patella and tibial tuberosity via patela tendon

    A: extends and stabilizes leg

  • Rectus Femoris

    O: Anterior inferior iliac spine

    I: patella and tibial tuberosity via patella tendon

    A: extennds leg and flexes thigh

  • Gracilis

    O: Inferior ramus and body of pubis

    I: medial tibial inferior to medial condyle

    A: adducts thigh, flexes, and medially rotates leg

  • Pectineus

    O:pubis

    I: lesser trochanter to linea aspera

    A: adducts, flexes, and medially rotates thigh

  • Adductor Brevis

    O: body and inferior puis ramus

    I: linea aspera

    A: adducts, flexes and medially rotates thigh

  • Affuctor Longus

    O: pubis, near pubic symphysis

    I: line aspera

    A: adducts, flexes and medialy rotates thigh

  • Adductor Magnus

    O: Ischial and pubis ramis, ischial tuberosity

    I: linea apera and adductor tubercle

    A: adducts, medially rotates anterior flexes thigh, posterior extends thigh

  • Sartorius

    O: Anterior suerior iliac spine

    I: medial proximal tibia

    A: flexes, abducts and laterally rotates knee

  • Iliacus

    O: iliac fossa, sacral crest

    I: lesser trochanter

    A: thigh and trunck flexion

  • Psoas major

    O: T12 and lumbar vert.

    I: lesser trochanter

    A: lateral flexion of spine