According to the sliding filament mechanism of muscle contraction, the muscle fibres of one motor unit slide in closer together between the muscle fibres of adjacent motor units.

Question

Quizplus · Accepted Answer

The sliding filament mechanism describes the sliding of thin (actin) and thick (myosin) filaments past each other within a muscle fibre, resulting in muscle contraction. The muscle fibres of a motor unit do not slide closer together during this process.

According to the Sliding Filament Mechanism of Muscle Contraction, the Muscle