Skeletal Muscle Flashcards Preview

620: Clinical Human Anatomy > Skeletal Muscle > Flashcards

Flashcards in Skeletal Muscle Deck (9)
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1
Q

Z line

A

separate 2 sarcomeres

2
Q

H zone

A

the middle of a sarcomere than contains only myosin

3
Q

I band

A

The edges of a sarcomere that contain only actin

4
Q

A band

A

portion of the sarcomere in which the actin and myosin overlap

5
Q

M line

A

middle of the H zone

6
Q

Type I muscle fiber

A

slow twitch

7
Q

Type II muscle fiber

A

fast twitch

8
Q

Which type of muscle fibers deteriorate faster?

A

Type I

9
Q

Hypertrophy vs. Hyperplasia

A

Hypertrophy is an increase in size of muscle fibers

Hyperplasia is an increase in the number of muscle fibers