Water Safety Instructor (WSI) 2025 – 400 Free Practice Questions to Pass the Exam

The back crawl stroke, also known as backstroke, involves specific phases that are crucial for effective execution. The correct response highlights the key components of this swimming technique, which includes the catch, mid-pull, finish, recovery, and power phase.

The 'catch' phase is when the swimmer extends their arm backward into the water, preparing to pull. The 'mid-pull' phase occurs when the swimmer applies force to the water as the arm moves through a vertical position. The 'finish' phase is when the hand exits the water, and the 'recovery' is characterized by the arm moving back above the water to re-enter for the next stroke. Lastly, the 'power phase' emphasizes the strength and technique used during the actual pull against the water.

Understanding these phases is essential for teaching and performing backstroke effectively, as they contribute to proper technique, speed, and overall swimming efficiency. The other options do incorporate valuable concepts related to swimming but do not specifically break down the back crawl stroke into its critical phases. For instance, aspects like breath control and timing are important but are not categorized under the structural components of this particular stroke.