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58 Cards in this Set

  • Front
  • Back

Quadriceps Femoris Group

Rectus Femoris


Vastus Medialis


Vastus Lateralis


Vastus Intermedialis

Rectus Femoris

A: flex tibiofemoral joint (knee), flex coxal joint (hip)


O: anterior inferior iliac spine


I: tibial tuberosity (via the patella and patellar ligament)

Vastus Medialis

A: extend tibiofemoral joint (knee)


O: medial lip of linea aspera


I: tibial tuberosity

Vastus Lateralis

A: extend tibiofemoral joint (knee)


O: lateral lip of linea aspera, gluteal tuberosity, and greater trochanter


I: tibial tuberosity

Vastus Intermedius

A: flex tibiofemoral joint (knee)


O: anterior and lateral shaft of femur


I: tibial tuberosity (via patella and patellar ligament)

Hamstrings Group

Biceps Femoris


Semitendinosus


Semimembranosus

Biceps Femoris

A: flex and laterally rotate tibiofemoral joint (knee)


tilt the pelvis posteriorly


Long head: extend and assist to laterally rotate the coxal joint (hip)


O: long head: ischial tuberosity


short head: lateral lip of linea aspera


I: head of fibula

Semitendinosus

A: flex the tibiofemoral joint, medially rotate the flexed tibiofemoral joint, extend the coxal joint, assist to medially rotate the coxal joint, tilt the pelvis posteriorly


O: ischial tuberosity


I: pes anserinus tendon

Semimembranosus

A: flex the tibiofemoral joint, medially rotate the flexed tibiofemoral joint, extend the coxal joint, tilt the pelvis posteriorly


O: ischial tuberosity


I: posterior aspect of medial condyle of tibia

Gluteals

Gluteus Maximus


Gluteus Medius


Gluteus Minimus

Gluteus Maximus

A: all fibres: extend, laterally rotate, and abduct the coxal joint


Lower fibres: adduct the coxal joint


O: coccyx, edge of sacrum, posterior iliac crest, sacrotuberous, and sacroiliac ligaments


I: upper fibres: iliotibial tract


Lower fibres: gluteal tuberosity

Gluteus Medius

A: all fibres: abduct coxal joint


Anterior fibres: flex and medially rotate the coxal joint


Posterior fibres: extend and laterally rotate the coxal joint


O: gluteal surface of ilium, between posterior and anterior gluteal lines, just below the iliac crest


I: lateral aspect of greater trochanter

Gluteus Minimus

A: abduct, medially rotate, and flex the coxal joint


O: gluteal surface of the ilium between the anterior and inferior gluteal lines


I: anterior aspect of greater trochanter

Adductor Group

Adductor Magnus


Adductor Longus


Adductor Brevis


Pectineus


Gracilis

Adductor Magnus

A: adduct, medially rotate, assist to flex the coxal joint


Posterior fibres: extend the coxal joint


O: inferior ramus of the pubis, ramus of ischium, and ischial tuberosity


I: medial lip of linea aspera and adductor tubercle

Adductor Longus

A: adduct, medially rotate, assist to flex the coxal joint


O: pubic tubercle


I: medial lip of linea aspera

Adductor Brevis

A: adduct, medially rotate, assist to flex the coxal joint


O: inferior ramus of pubis


I: pectineal line and medial lip of linea aspera

Pectineus

A: adduct, medially rotate, assist to flex the coxal joint


O: superior ramus of pubis


I: pectineal line of femur

Gracilis

A: adduct and medially rotate the coxal joint, flex and medially rotate the flexed tibiofemoral joint


O: inferior ramus of pubis


I: pes anserinus tendon

Tensor Fasciae Latae

A: flex, medially rotate, and abduct the coxal joint


O: iliac crest, posterior to the ASIS


I: iliotibial tract

Sartorius

A: flex, laterally rotate, and abduct the coxal joint


Flex the tibiofemoral joint and medially rotate the flexed tibiofemoral joint


O: ASIS


I: pes anserinus tendon

Lateral Rotators of the Hip

Piriformis & Quadratus Femoris


Obturator Internus & Obturator Externus


Gemellus Superior & Gemellus Inferior

Piriformis

A: laterally rotate the coxal joint and abduct the hip when the hip is flexed


O: anterior surface of sacrum


I: superior aspect of greater trochanter

Quadratus Femoris

A: laterally rotate the coxal joint


O: lateral border of ischial tuberosity


I: intertrochanteric crest, between the greater and lesser trochanters

Obturator Internus

A: laterally rotate the coxal joint


O: obturator membrane and inferior surface of obturator foramen


I: medial surface of greater trochanter

Obturator Externus

A: laterally rotate the coxal joint


O: rami of pubis and ischium, obturator membrane


I: trochanteric fossa of femur

Gemellus Superior

A: laterally rotate the coxal joint


O: ischial spine


I: medial surface of greater trochanter

Gemellus Inferior

A: laterally rotate the coxal joint


O: ischial tuberosity


I: medial surface of greater trochanter

Psoas Major

A: (fixed origin): flex and may laterally rotate the coxal joint


(Fixed insertion): flex the rrunk towards thigh, tilt pelvis anteriorly


Unilaterally: assist to laterally flex the lumbar spine


O: bodies and tp's of lumbar vertebrae


I: lesser trochanter

Iliacus

A: (fixed origin): flex and may laterally rotate the coxal joint


(Fixed insertion): flex the trunk toward the thigh, tilt pelvis anteriorly


O: iliac fossa


I: lesser trochanter

Psoas Minor

A: assist to create lordotic curvature in lumbar spine, tilt the pelvis posteriorly


O: body and tp's of L1


I: superior ramus of pubis

Gastrocnemius

A: flex the tibiofemoral joint, plantar flex the talocrural joint


O: condyles of the femur, posterior surfaces


I: calcaneus via calcaneal tendon

Soleus

A: plantar flex the talocrural joint


O: soleal line; proximal, posterior surface of tibia and posterior aspect of head of fibula


I: calcaneus via the calcaneal tendon

Plantaris

A: weak plantar flexion of the talocrural joint, weak flexion of the tibiofemoral joint


O: lateral supracondylar line of femur


I: calcaneus via calcaneal tendon

Popliteus

A: medially rotate and flex the tibiofemoral joint


O: lateral condyle of the femur


I: proximal, posterior aspect of tibia

Peroneus Longus

A: evert the foot, assist to plantar flex the talocrural joint


O: head of fibula and proximal 2/3rds of lateral fibula


I: base of first metatarsal and medial cuneiform

Peroneus Brevis

A: evert the foot, assist to plantar flex the talocrural joint


O: distal 2/3rds of lateral fibula


I: tuberosity of fifth metatarsal

Extensors of the Ankle and Toes

Tibialis Anterior


Extensor Digitorum Longus


Extensor Hallucis Longus

Tibialis Anterior

A: invert the foot, dorsiflex the talocrural joint


O: lateral condyle of tibia; proximal, lateral surface of tibia and interosseous membrane


I: medial cuneiform and base of first metatarsal

Extensor Digitorum Longus

A: extend the 2nd-5th toes (metatarsophalangeal and interphalangeal joints), dorsiflex the talocrural joint, evert the foot


O: lateral condyle of tibia; proximal, anterior shaft of fibula and interosseous membrane


I: middle and distal phalanges of the 2nd-5th toes

Extensor Hallucis Longus

A: extend first toe (metatarsophalangeal and interphalangeal joints), dorsiflex the talocrural joint, invert the foot


O: middle, anterior surface of fibula and interosseous membrane


I: distal phalanx of first toe

Flexors of the Ankle and Toes

Tibialis Posterior


Flexor Digitorum Longus


Flexor Hallucis Longus

Tibialis Posterior

A: invert the foot, plantar flex the talocrural joint


O: proximal, posterior shafts of tibia and fibula; and interosseous membrane


I: all five tarsal bones and bases of 2nd-4th metatarsals

Flexor Digitorum Longus

A: flex the 2nd-5th toes (metatarsophalangeal and interphalangeal joints), weak plantar flexion of talocrural joint, invert the foot


O: middle, posterior surface of tibia


I: distal phalanges of 2nd-5th toes

Flexor Hallucis Longus

A: flex the first toe (metatarsophalangeal and interphalangeal joints), weak plantar flexion of talocrural joint, invert the foot


O: middle half of posterior fibula


I: distal phalanx of first toe

Muscles of the Foot

Extensor Digitorum Brevis


Flexor Digitorum Brevis


Abductor Hallucis


Abductor Digiti Minimi

Extensor Digitorum Brevis

A: extend 2nd-4th toes (metatarsophalangeal and interphalangeal joints)


O: dorsal surface of calcaneus


I: 2nd-4th toes via the extensor digitorum longus tendons

Flexor Digitorum Brevis

A: flex the middle phalanges of the 2nd-5th toes (PIPS)


O: medial process of calcaneus and plantar aponeurosis


I: middle phalanges of 2nd-5th toes

Abductor Hallucis

A: abduct and assist to flex the first toe (metatarsophalangeal joint)


O: medial process of calcaneus and plantar aponeurosis


I: proximal phalanx of first toe (medial surface) and medial sesamoid bone

Abductor Digiti Minimi

A: flex and assist to abduct the fifth toe (metatarsophalangeal joint)


O: lateral process of calcaneus and plantar aponeurosis


I: proximal phalanx of fifth toe (lateral surface)

Extensor Hallucis Brevis

A: extend the first toe (metatarsophalangeal joint)


O: dorsal surface of calcaneus


I: proximal phalanx of first toe

Flexor Hallucis Brevis

A: flex the first toe (metatarsophalangeal joint)


O: plantar surfaces of cuboid and lateral cuneiform


I: medial and lateral surfaces of base of proximal phalanx of first toe

Adductor Hallucis

A: adduct the first toe, assist to maintain transverse arch of foot, assist to flex first toe


O: oblique head: bases of 2nd-4th metatarsals


Transverse head: plantar ligament of 3rd-5th metatarsophalangeal joints


I: lateral surface of base of proximal phalanx of first toe

Flexor Digiti Minimi Brevis

A: flex the 5th toe (metatarsophalangeal joint)


O: base of 5th metatarsal


I: bases of proximal phalanx of 5th toe

Quadratus Plantae

A: assist Flexor Digitorum Longus to flex 2nd-5th toes


O: medial and lateral sides of plantar surface of calcaneus


I: posterior, lateral aspect of Flexor Digitorum Longus tendon

Plantar Interossei

A: adduct & flex 3rd-5th toes (metatarsophalangeal joints)


O: medial surfaces of 3rd-5th metatarsals


I: medial surfaces of proximal phalanges of 3rd-5th toes

Dorsal Interossei

A: abduct & flex 2nd-4th toes (metatarsophalangeal joints)


O: adjacent surfaces of all metatarsals


I: first: medial surface of proximal phalanx of 2nd toe


2nd-4th: lateral surfaces of proximal phalanges of 2nd-4th toes

Lumbricals of the Foot

A: flex the proximal phalanges of the 2nd-5th toes at the metatarsophalangeal joints, extend the middle and distal phalanges of the 2nd-5th toes at the interphalangeal joints


O: tendons of Flexor Digitorum Longus


I: bases of proximal phalanges of 2nd-5th toes and Extensor Digitorum Longus tendons (on dorsal surface of the toes)