Q. Assertion : Mechanism of muscle contraction is explained by sliding-filament theory.
Reason : Contraction of muscle fibre takes place by the sliding of thick filaments over the thin filaments.

 2118  232 Locomotion and Movement Report Error

Solution:

Mechanism of muscle contraction is best explained by the sliding filament theory which states that contraction of a muscle fibre takes place by the sliding of the thin filaments over the thick filaments.