Muscle Physiology 1 Flashcards
1
Q
4 properties of muscle
A
- Electrically excitable
- Contractile
- Extensible
- Elasticity
2
Q
Function of superficial fascia
A
Separates skin from muscle
3
Q
Function of deep fascia
A
Holds similar muscles together
4
Q
3 extensions of deep fascia
A
- Epimysium
- Perimysium
- Endomysium
5
Q
Name of plasma membrane in muscle
A
Sarcolemma
6
Q
Name of intracellular fluid in muscle
A
Sarcoplasm
7
Q
Contractile organelles in muscle
A
Myofibrils arranged in sarcomeres
8
Q
Length of myofibril filaments
A
1-2 micrometres
9
Q
Thick filaments made of _____
A
Myosin
10
Q
Three proteins making up thin filaments
A
- Actin
- Troponin
- Tropomyosin
11
Q
Region between two z-discs is _____
A
Sarcomere
12
Q
Region consisting of just thin filaments is _____
A
I band
13
Q
Region consisting of just thick filaments (when relaxed) is _____
A
H zone
14
Q
Region made up by entire length of thick filaments is _____
A
A band
15
Q
Centre line of sarcomere is _____
A
M line
