AMARILLO, Texas (KAMR/KCIT) — Haley Sparks from Rebuilt Life Coaching joined Today in Amarillo on Thursday morning and showed viewers how to get lean arms by using a Plyo Box and she detailed ...

STURDY: Heavy-duty steel plyo boxes with a tapered design and large, stable base for confident jumps. NO-SLIP: Each plyo box is equipped with stable rubber stoppers and a non-slip top for optimal ...

Examples of plyometric exercises include burpees, squat jumps, and box jumps. Plyometrics originated in track and field and was used by many athletes in Russia and Eastern Europe during training.

If you’ve ever seen people at the gym or the park jumping, hopping or hurling weighted balls to the ground, chances are they ...