This is a lighter version of triceps dips, performed in the water with easier resistance, namely the noodle, as opposed to lifting your body weight on dryland. Although relatively easier, triceps dips with noodle can create enough challenging resistance to shape your triceps.
Punches make great arm exercises in the pool. They can also make effective aerobic workouts if performed rapidly for longer time. However, combining punches with upper body twisting adds a lot to the exercise.
While the main focus is arm muscles, this exercise also targets your core, and increases your flexibility. It's highly recommended to perform with aqua dumbbells or any other resistance.
Introduction: Performing biceps curls in different positions surely ads to the intensity of your workout. This shallow-end exercise requires aqua dumbbells or any water resistance device for better results. If you have none, use the inside of your hand to create more resistance as you push the water in front and down.