Sliding filament theory can be best explained as:
1. | when myofilaments slide past each other, actin filaments shorten while myosin filament does not shorten |
2. | actin and myosin filaments shorten and slide past each other |
3. | actin and myosin filaments do not shorten but rather slide pass each other |
4. | when myofilaments slide past each other, myosin filaments shorten while actin filaments do not shorten |