Muscles Flashcards
1
Q
Sarcomere
A
Functional unit of a muscle fiber
2
Q
A band
A
Anisonotropic
Light doesn’t pass through
Myosin
Remains same with contraction
3
Q
I band
A
Isotropic
Light passes through
Actin only thin
Shortens with contraction
4
Q
H band
A
Only myosin
No overlap with actin
Disappears with contraction
5
Q
Fascia coverings
A
Made by fibroblasts
6
Q
Endomysium
A
Covering of a muscle fiber
7
Q
Perimysium
A
Covering of a muscle fasicle
8
Q
Epimysium
A
Covers entire muscle
9
Q
Isometric contraction
A
No joint movement
10
Q
Isotonic contraction
A
Joint movement with constant weight
11
Q
Isokinetic contraction
A
Contraction with constant speed and variable resistance
