Muscle Actions Flashcards by Polly Smallpeice

What is the function of the rectus femoris

Extension of knee joint
Flexion of hip joint

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What is the function of the vastus lateralis

Extension of knee joint

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What is the function of the vastus medialis

Extension of knee joint

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What is the function of the vastus intermedius

Extension of knee joint

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What is the function of the semitendinosus

Flexion of knee joint
Extension of hip joint

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What is the function of the semimembranosus

Flexion of knee joint
Extension of hip joint

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What is the function of the biceps femoris

Flexion of knee joint

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What is the function of the gracilis

Adduction of hip joint
Flexion of knee joint

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What is the function of the sartorius

Flexion and abduction at hip joint
Flexion at knee joint

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What is the function of the gastrocnemius

Plantar Flexion

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What is the function of the tibialis anterior

Dorsiflexion

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What is the function of the tibialis posterior

Plantarflexion

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What is the function of the soleus

Plantarflexion

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What is the function of the plantaris

Plantarflexion

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What is the function of the latissimus dorsi

Extension and adduction at shoulder joint

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What is the function of the erector spinae (iliocostalis, longissimus, spinalis)

Laterally flexes vertebral column
Extension of vertebral column

What is the function of the quadratus lumborum

Extension of lumbar spine
Lateral Flexion

What is the function of the external obliques

Flex trunk

What is the function of the internal obliques

Flexes trunk
Lateral Flexion

What is the function of the rectus abdominis

Flexion of trunk
Stabiliser

What is the function of the gluteus maximus

Main extensor of thigh at hip joint

What is the function of the gluteus medius

Abduction of thigh at hip joint

What is the function of the gluteus minimus

Abduction of thigh at hip joint

What is the function of the tensor facia lata

Assists in abduction of thigh at hip joint

What is the function of the iliacus

Flexion of thigh at hip joint

What is the function of the psoas major

Flexion of thigh at hip joint Lateral Flexion of vertebral column

What is the function of the adductors (Magnus, brevis, longus)

Adduction of thigh at hip joint

What is the function of the gracilis

Adduction of thigh at hip joint

What is the function of the obturator

Adduction of thigh at hip joint

What is the function of the brachioradialis

Flexion at elbow joint

What is the function of the biceps brachii

Flexion of elbow joint

What is the function of the brachialis

Flexion of elbow joint

What is the function of the triceps brachii

Extension of elbow joint

What is the function of the supraspinatus

Adduction at shoulder joint, performs first 0-15 degrees and assists deltoid with 15-90

What is the function of the deltoid (anterior, posterior and middle)

Anterior - Flexion of shoulder joint Posterior - extension of shoulder joint Middle - abduction of shoulder joint

What is the function of the teres major

Adduction and extension of shoulder joint

What is the function of the coracobrachialis

Flexion of shoulder joint

What is the function of the trapezius

Abduction of shoulder joint

What is the function of the pectorals major

Adduction of shoulder joint