Origin insertion final Flashcards
Iliacus
O: Iliac fossa
I: lesser trochanter
A: Iliopsoas-Hip flexion, bends the trunk forward and can lift the trunk from a lying posture
N: femoral
Psoas Major
O: T12 – L5 anteriorly
I: lesser trochanter
A: Iliopsoas-Hip flexion, bends the trunk forward and can lift the trunk from a lying posture
N:
Tensor Fascia Latae
O: Iliac crest, ASIS
I: Iliotibial tract
A: Hip- flexion/ Medial
Rotation
N:
Rectus femoris
O: AIIS
I: AIIS
A: Flexes hip, extends
knee
N:
Sartorius
O: ASIS
I: Upper portion of the
medial aspect of the
tibia
A: Flexes hip joint, flexes
and rotates knee joint
medially
N:
Gluteus Maximus
O: ilium, post gluteal line, lat surface ilium, sacrum, coccyx
I: iliotibial tract, gluteal
tuberosity
A: Extension & lateral
rotation at hip joint
N: inferior gluteal
Gamellus superior
O: Ischial spine
I: Upper margin of
obturator internus
tendon
A: Lateral rotator
N:
Gamellus inferior
O: obturator internus
tendon
I: Lesser sciatic notch
A: Lateral rotator
N:
Piriformis
O: Ant surface of sacrum and
sacrotuberous ligament
I: Medial aspect of the
greater trochanter
A: Lateral Rotation &
(Abduction)
N:
Obturator internus
O: Pelvic surface of obturator
membrane & surrounding
bone
I: greater trochanter
A: Lateral Rotation &
(Abduction)
N:
Quadratus femoris
O: ischial tuberosity
I: intertrochanteric crest
A: Lateral rotation of the
extended femur and
abduction of the flexed
femur
N:
Gluteus Medius
O: between posterior and
anterior gluteal lines of
ilium
I: greater trochanter
A: hip abduction
N: Superior gluteal
Gluteus Minimus
O: surface of ilium
between inferior
gluteal line and
anterior gluteal lines
I: greater trochanter
A: hip abduction and
medial rotation
N: Superior gluteal
Adductor longus
O: Anterior surface and
inferior ramus of pubis
I: Linea aspera of femur
A: Adductor
Depending on hip
position: F/E, MR/LR
N:
Adductor brevis
O: inferior ramus of pubis
I: Linea aspera of femur
A: Adductor
Depending on hip
position: F/E, MR/LR
N:
Adductor magnus
O: inferior ramus of pubis
& ischial tuberosity
(hamstring portion)
I: linear aspera, adductor
tubercle of the femur
A: Hip adduction and extension (hamstring portion) Depending on hip position, it can flex/extend, MR/LR
N:
Gracilis
O: Body, inferior ramus of
the pubis
I: Medial surface of the
proximal shaft of the
tibia.
A: Adducts the thigh at the
hip.
N:
Tibialis Anterior
O: Anterior - Lateral tibia (upper ½), interosseous
membrane
I: inferior surface medial cunieform & base 1st metatarsal
A: dorsiflexion & inversion ankle
N: deep fibular
Extensor Hallucis Longus
O: fibula, interosseus membrane
I: base of distal phalanx of hallux
A: dorsiflexion of ankle, extension of hallux
N: deep fibular
Extensor Digitorum Longus
O: tibia;lateral condyle, fibula, interosseus membrane
I: middle & distal phalanges 2nd to 5th toes
A: ankle dorsiflexion and extension 2nd to 5th toes
N: deep fibular
Fibularis Tertius (Peroneus Tertius)
O: fibula, interosseus membrane
I: dorsal 5th metatarsal
A: dorsiflex and evert ankle
N: deep fibular
Fibularis Longus
O: fibula
I: base 1st metatarsal & medial cuneiform
A: ankle eversion
N: superficial fibular
Fibularis Brevis
O:
I:
A:
N:
Gastrocnemius
O: Lateral head: lateral condyle of femur
Medial head: medial condyle of femur
I: calcaneus
A: ankle plantarflexion, knee flexion
N: Tibial
Soleus
O: posterior tibia, fibula
I: calcaneus
A: plantarflexion
N: tibial
Plantaris
O: supracondylar line of femur, oblique popliteal line
I: calcaneus
A: ankle plantarflexion, knee flexion
N: tibial
Popliteus
O: lateral condyle femur & lateral meniscus
I: posterior proximal shaft of tibia
A: knee flexion, medial rotation of tibia
N: tibial
Tibialis Posterior
O: interosseus membrane, tibia and fibula
I: tuberosity of navicular, cuneiforms, cuboid, bases metatarsals 2-4
A: plantarflexion of ankle, inversion of foot
N: tibial
Flexor Hallucis Longus
O: fibula,interosseus membrane
I: distal phalanx hallux
A: flex big toe, ankle plantarflexion
N: tibial
Flexor Digitorum Longus
O: tibia
I: base distal phalanges lateral 4 toes
A: flex lateral 4 toes, ankle plantarflexion
N: tibial
Quadratus plantae
Flexor accessorius
O: calcaneum
I: flexor digitorum longus tendon
A: aligns flexor digitorum longus
N: lateral plantar
