A calisthenics exercise that targets the abdominal muscles through controlled knee-to-elbow crunching movements, improving core strength and coordination.

A plyometric exercise that develops explosive power and leg strength by jumping onto an elevated box or platform.

A fundamental isolation exercise that targets the biceps brachii through controlled elbow flexion, building arm strength and muscle definition.

An advanced core exercise that combines a V-sit position with crunch movements to target the abdominal muscles and improve core strength and stability.