Muscle Action Flashcards by Raymond Schultz

Q

Iliopsoas

A

Hip flexion

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Q

Rectus femoris

A

Hip flexion/knee extension

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Q

Vastus medialis

A

Knee extension

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Q

Vastus intermedius

A

knee extension

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Q

Vastus lateralis

A

knee extension

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Q

Sartorius

A

Flex hip, Flex knee, Lateral hip rotation

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Q

Pectineus

A

Hip adduction, hip flexion

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Q

Gracilis

A

Hip adduction, weak knee flexion

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Q

Adductor longus

A

Hip adduction

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Q

Adductor brevis

A

Hip adduction

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Q

Adductor magnus

A

Hip adduction, Hip Extension

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Q

Obturator externus

A

Lateral Rotation of Hip

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Q

Gluteus medius

A

Medial rotation of hip, hip abduction

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Q

Gluteus minimus

A

Medial rotation of hip, hip abduction

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Q

Tensor fascia lata

A

Medial rotation of hip, hip rotation

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Q

Piriformis

A

Lateral rotation of hip

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Q

Obturator internus

A

Lateral rotation of the hip

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Q

Quadratus femoris

A

Lateral rotation of the hip

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Q

Superior gemellus

A

Lateral rotation of the hip

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Q

Inferior gemellus

A

Lateral rotation of the hip

Q

Gluteus maximus

A

Hip extension, Lateral rotation of the hip

Q

Semitendinosus

A

Hip extension, knee flexion

Q

Semimembranosus

A

Hip extension, knee flexion

Q

Biceps Femoris

A

Hip extension, knee flexion (short head is knee flexion ONLY)

Q

Tibialis Anterior

A

Ankle dorsiflexion, foot inversion

Q

Extensor hallucis longus

A

Extend hallux

Q

Extensor digitorum longus

A

Extend toes 2-5

Q

Fibularis tertius

A

Foot eversion

Q

Extensor digitorum brevis

A

Extends toes 2-5

Q

Extensor hallucis brevis

A

Extend hallux

Q

Fibularis longus

A

Eversion of the foot

Q

Fibularis brevis

A

Eversion of the foot

Q

Gastrocnemius

A

Plantar flexion

Q

Soleus

A

Plantar flexion

Q

Plantaris

A

Plantar flexion

Q

Popliteus

A

Knee unlocking

Q

Flexor hallucis longus

A

Flex hallux

Q

Flexor digitorum longus

A

Flex toes 2-5

Q

Tibialis Posterior

A

Plantarflexion, foot inversion

Q

Abductor hallucis

A

Abduct hallux

Q

Abductor digiti minimi

A

Abduct toe 5

Q

Flexor digitorum brevis

A

Flex toes 2-5

Q

Quatratus plantae

A

Flexes toes 2-5

Q

Lumbrical muscles

A

Flexes metatarsal-phalangeal joints

Q

Flexor hallucis brevis

A

Flex hallux

Q

Flexor digiti minimi

A

Flex 5th toe

Q

Adductor hallucis

A

Adduct hallux

Q

Plantar interossei (3)

A

Adduct toes 3-5

Q

Dorsal interossei (4)

A

Abduct toes 2-4