Lecture 3 Flashcards
1
Q
Muscle contains
A
75% Water
5% Salt
20% protein
2
Q
Protein in muscle
A
Actin
Myosin
Tropomysin
3
Q
Myoglobin
A
An oxygen binding protein
4
Q
Tendon
A
- Link muscle to bone
- Transmit the forces
- Type 1 collagen
- Generated by the contracting
5
Q
Tendon strength
A
Tendon strength increased by cross linking between collagen molecules
6
Q
Function bones
A
- Movement
- Shape of body
- Supportive
- Protective
- Storage
7
Q
Storage in bones
A
- Calcium
- Magnesium
- Phosphorus
8
Q
Sliding filament model
A
Sarcomere shortens because actin filaments are pulled inwards
9
Q
Slow twitch fibers
A
- Energy through aerobic system
- Slow myosin ATP activity
- Slower calcium
- Large numbers of mitochondria
- Red pigmentation
10
Q
Fast twitch fibers
A
- High myosin ATP activity
- Anearobic
- Rapid Ca2 release and uptake
- Glycolytic system for energy transfer