Muscular System Flashcards by 12D2Emily Taylor

Q

Deltoids

A

Abducts the upper arm (takes away) from the body

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Q

Trapezius

A

Rotates the shoulder blade backwards

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Q

Latissimus Dorsi

A

Rotates the upper arm at the shoulders

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Q

Pectoral muscles

A

Adducts the arm (brings it in towards the body)

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Q

Abdominal muscles

A

Flexes and rotates the trunk

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Q

Biceps

A

Flexes the arm at the elbow

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Q

Gluteus maximus (gluteals)

A

Extends the upper leg

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Q

Quadriceps

A

Extends the leg at the knee

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Q

Hamstrings

A

Flexes the leg at the knee

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Q

Gastrocnemius

A

Plantar flexes the foot

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Q

Isometric contraction

A

A contraction which does not result in movement.

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Q

Isotonic contraction

A

Muscle contraction which results in movement.

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