Plasticity in Response to Use and Disuse Flashcards
1
Q
How Do Muscles Change?
A
Exercise
Pathological
Physiological cardiac hypertrophy
Disuse
Aging
2
Q
Pathological (Muscle Change)
A
- muscle wasting secondary to chronic disease such as cancer or heart failure
3
Q
Physiological cardiac hypertrophy (Muscle Change)
A
- a pregnant woman’s heart undergoes hypertrophy to keep up with increased bloodflow demands; happens to some athletes; or even in snakes digesting a meal!
4
Q
Exercise (Muscle Change)
A
- Endurance vs HIIT training changes skeletal muscle; heart may change as well.
5
Q
Aging (Muscle Change)
A
- Switching of Type 2 (Fast) to Type 1 (Slow) fibres
- Muscle loss (sarcopenia)
6
Q
Disuse (Muscle Change)
A
- Disuse atrophy occurs during space travel