Random #2 Flashcards

1
Q

The most basic unit of a muscle fiber

A

Sarcomere

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2
Q

This system starts all exercise regardless of intensity

A

Phosphagen (ATP-PC) System

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3
Q

This system uses strictly CHO

A

Anaerobic Glycolytic System

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4
Q

This plane divides the body into a top and bottom portion

A

Horizontal

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5
Q

Contraction where the muscle lengthens

A

Eccentric

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6
Q

These muscles hold certain body parts still to perform movements correctly

A

Stabilizer

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7
Q

This phase of contraction helps strengthen tendons by controlling gravity

A

Eccentric

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8
Q

Ankle dorsiflexion is performed in this plane

A

Sagittal

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9
Q

Shoulder internal rotation is performed in this plane

A

Horizontal

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10
Q

The prime mover for hip abduction

A

Gluteus medius

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11
Q

Number of muscles responsible for hip adduction

A

5

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12
Q

Also known as a prime mover

A

Agonist

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13
Q

The prime mover(s) for lateral flexion of the spine

A

Quadratus lumborum

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14
Q

Number of rotator cuff muscles

A

4

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15
Q

What are the primary muscles responsible for hip adduction?

A

Adductor magnus, adductor longus, adductor brevis, gracilis, and pectineus

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16
Q

What are the muscles associated with the rotator cuff?

A

Supraspinatus, infraspinatus, teres minor, and subscapularis

17
Q

When the resistance is moving away from the floor, what type of contraction is taking place?

A

Concentric

18
Q

When the resistance is moving towards the floor, what type of contraction is taking place?

A

Eccentric

19
Q

What joint is an exception to the general rule of direction for flexion and extension?

A

Knee joint

20
Q

What is circumduction?

A

Movement in a 360 degree circle

21
Q

What is rotation?

A

Movement around an axis

22
Q

The opposing muscle or muscle group for an abdominal crunch

A

Erector spinae

23
Q

Prime mover(s) for standing calf raise exercise

A

Gastrocnemius and soleus

24
Q

Prime mover(s) for shoulder external rotation

A

Infraspinatus and teres minor

25
Q

Term also used for scapular adduction

A

Scapular retraction