Which exercise requires a coordinated calisthenic motion?

The correct choice involves recognizing the nature of coordinated calisthenic motions. Squat thrusts, often referred to as burpees, are a dynamic calisthenics exercise that combines a squat, a plank, and a jump. They require coordination as the movement flows through multiple phases, engaging various muscle groups simultaneously and promoting cardiovascular fitness.

In contrast, deadlifts, while a highly effective strength training exercise, focus primarily on lifting a weight from the ground to hip level using the lower back, glutes, and hamstrings. This action does not encompass a sequence of coordinated calisthenic movements, but rather it is a static lifting motion with a singular focus.

Bicep curls isolate the arm muscles and emphasize the upward and downward motion of the weights, lacking the multi-step, full-body coordination inherent in calisthenics.

Plank holds are primarily isometric exercises designed to build core strength and stability, rather than focusing on the dynamic, coordinated movement that characterizes coordinated calisthenic motions.

Thus, squat thrusts are the exercise that best represents the coordinated calisthenic motion, incorporating a sequence of movements that require rhythm and coordination across multiple muscle groups.