Muscle Action Flashcards by Cathy Malungcot | Brainscape

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

A

Laterally rotate arm

Q

Pectoralis major

A

Flex, adduct, medially rotate arm

Q

Latissimus Dorsi

A

Extend, adduct, medially rotate arm

Q

Triceps brachii (long, short)

A

Flex arm and forearm, supinate forearm

Q

Coracobrachialis

A

Flex forearm

Q

Supination

A

Supinate forearm

Q

Pronator teres

A

Probate forearm

Q

Flexor Capri radialis

A

Flex wrist

Q

Flexor Capri ulnaris

A

Flex wrist

Q

Palmaris longus

A

Flex wrist

Q

Flexor digitorum superficialis

A

Extend wrist

Q

Extensor Capri unlaris

A

Extend wrist

Q

Extensor digitorum

A

Extend fingers

Q

Gluteus Maximus

A

Extend, laterally rotate thigh

Q

Gluteus medius

A

Abduct thigh

Q

Tensor fascia latae

A

Flex, medially rotate thigh

Q

Iliopsoas

A

Flex thigh

Q

Rectus femoris

A

Flex thigh, extend leg

Q

Vastus medialis / intermedius lateralis

A

Extend leg

Q

Gracilis

A

Adduct thigh

Q

Sartorius

A

Flex, laterally rotate thigh, flex leg

Q

Biceps fermoris

A

Extend thigh, flex leg

Q

Semitendinosus

A

Extend thigh, flex leg

Q

Semimembranosus

A

Extend thigh, flex leg

Q

Tibialis anterior

A

Dorsiflexion

Q

Gastrocnemius

A

Flex leg, plantarflexion

Q

Soleus

A

Plantarflexion