The Muscular System Flashcards by Rachel Han

Q

Temporal

A

closes jaw

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Q

Frontal

A

raises eyebrows

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Q

Masseter

A

closes jaw

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Q

Zygomaticus

A

elevates corner of lips (smiler)

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Q

Orbicularis Oris

A

draws lips together (kisser)

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Q

Orbicularis Oculi

A

closes eye (winker)

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Q

Trapezius

A

extends head and neck

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Q

Sternocleidomastoid

A

rotates and flexes head and neck

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Q

Pectoralis Major

A

flexes and helps adult upper arms

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Q

Biceps Brachii

A

flexes elbow

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Q

Triceps Brachii

A

extends elbow

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Q

Deltoid

A

abducts upper arm

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Q

Latissimus Dorsi

A

extends and helps adult upper arms; can work with or against pectorals major

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Q

External Oblique

A

compress abdomen

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Q

Internal Oblique

A

compress abdomen

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Q

Transverse Abdominis

A

compress abdomen

Q

Rectus Abdominis

A

flexes trunk (6 pack muscle)

Q

Gluteus Maximus

A

extends thigh

Q

Iliopsoas

A

flex thigh and trunk

Q

Sartorius

A

flex thigh and rotate lower leg

Q

Adductor Longus

A

adduct thigh

Q

Gracilis

A

adduct thigh

Q

Pectineus

A

adduct thigh

Q

Biceps Femoris

A

flexes knee

Q

Semitendinosus

A

flexes knee

Q

Semimembranosus

A

flexes knee

Q

Rectus Femoris

A

extends knee

Q

Vastus Group (3)

A

extends knee

Q

Gastrocnemius

A

plantar flexes ankle

Q

Soleus

A

plantar flexes ankle

Q

Tibialis Anterior

A

dorsiflexes ankle

Q

Peronoeus Group

A

evert (side to side) and plantar flex ankle