Comparative Effects of Dolphin Kick Streamline Training Versus Flutter Kick Training on Core Stability and Sprint Performance in Competitive Swimmers

Comparative Effects of Dolphin Kick Streamline Training Versus Flutter Kick Training on Core Stability and Sprint Performance in Competitive Swimmers

This randomized controlled trial will compare the effects of dolphin kick streamline training versus flutter kick training on core stability and sprint performance in competitive swimmers. Both groups will receive the same land-based core conditioning program in addition to their assigned aquatic kicking training. Core stability and sprint performance will be assessed at baseline, Week 4, and Week 8 to determine whether either training approach produces greater improvements in competitive swimming performance.

This randomized controlled trial will evaluate and compare the effects of dolphin kick streamline training and flutter kick training on core stability and sprint performance in competitive swimmers. Participants will be randomly allocated to one of the two aquatic training groups. Both groups will receive an identical land-based core conditioning program to control for general core-strength adaptations. The intervention will be conducted over eight weeks, with outcome assessments performed at baseline (Week 0), Week 4, and Week 8. The study aims to determine whether dolphin kick streamline training or flutter kick training produces greater improvements in core stability and short-distance sprint swimming performance.

**Inclusion Criteria:**

• Minimum 2 years of competitive swimming experience.
• Active participation in regular swimming training at the time of enrollment.
• Medically fit and cleared for physical activity.

**Exclusion Criteria:**

• History of musculoskeletal injury within the preceding 3 months.
• Diagnosed neurological or cardiopulmonary condition.
• Current participation in any structured core training program outside the study.
• Inability to safely perform aquatic or land-based exercises.
• Absence from more than two consecutive training sessions during the intervention period.