Skeletal Muscle Flashcards
(9 cards)
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
