Muscle Action Flashcards by Cathy Malungcot

Q

Buccinator

A

Compress cheeks

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Q

Orbicularis oris

A

Compress and purse lips

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Q

Zygomatic major

A

Elevate corners of mouth

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Q

Orbicularis oculi

A

Closes eye

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Q

Masseter

A

Elevate mandible

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Q

Temporalis

A

Elevate mandible

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Q

Sternocleidomastoid

A

(Both) flex neck, (one) bend, turn head to opposite side

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Q

External oblique

A

Compress abdomen, flex spine

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Q

Internal oblique

A

Compress abdomen, flex spine

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Q

Transversus abdominus

A

Compress abdomen

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Q

Rectus abdominus

A

Compress abdomen, flex spine

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Q

Diaphragm

A

Expand thoracic cavity

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Q

Rhomboid major/minor

A

Adduct scapula

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Q

Trapezius

A

Elevate, rotate scapula, extend neck

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Q

Deltoid

A

Abduct arm

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Q

Supraspinatus

A

Abduct arm

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Q

Infraspinatus

A

Laterally rotate arm

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Q

Teres minor

Study These Flashcards

A

Laterally rotate arm

Q

Pectoralis major

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A

Flex, adduct, medially rotate arm

Q

Latissimus Dorsi

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A

Extend, adduct, medially rotate arm

Q

Triceps brachii (long, short)

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A

Flex arm and forearm, supinate forearm

Q

Coracobrachialis

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A

Flex forearm

Q

Supination

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A

Supinate forearm

Q

Pronator teres

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A

Probate forearm

Flexor Capri radialis

Flex wrist

Flexor Capri ulnaris

Flex wrist

Palmaris longus

Flex wrist

Flexor digitorum superficialis

Extend wrist

Extensor Capri unlaris

Extend wrist

Extensor digitorum

Extend fingers

Gluteus Maximus

Extend, laterally rotate thigh

Gluteus medius

Abduct thigh

Tensor fascia latae

Flex, medially rotate thigh

Iliopsoas

Flex thigh

Rectus femoris

Flex thigh, extend leg

Vastus medialis / intermedius lateralis

Extend leg

Gracilis

Adduct thigh

Sartorius

Flex, laterally rotate thigh, flex leg

Biceps fermoris

Extend thigh, flex leg

Semitendinosus

Extend thigh, flex leg

Semimembranosus

Extend thigh, flex leg

Tibialis anterior

Dorsiflexion

Gastrocnemius

Flex leg, plantarflexion

Soleus

Plantarflexion