The science of paddling Intervals

The Science Behind Paddling Intervals Our skeletal muscles, which provide movement for our bodies, are each composed of a mix of muscle fibre types commonly identified as Type I (slow-twitch), Type IIa (fast-twitch) or Type IIx (fast-twitch). Slow-twitch fibres are smaller, more efficient and fatigue resistant (more endurance) as they are better able to utilize…