Develop a stronger, more effective underwater dolphin kick with Russell Mark in this four-part educational series. Through detailed video analysis of elite swimmers, coaches will explore the mechanics of an efficient dolphin kick, including body position, leg movement, upper-body mobility, and streamline technique. Learn to identify common technical errors, establish appropriate underwater kick counts, and understand how kick tempo impacts racing performance. With practical coaching insights and real-world examples, this course provides the tools to help swimmers improve their underwater technique, consistency, and speed off starts and turns.