The Plank-Straddle Hop plyometric exercise works your shoulders, triceps, abs, butt, inner thighs and outer thighs.
Hop your feet out wide to the sides then back in. Push your body up buy straightening your arms. This is done by rotating your elbows outward. Bend your arms again to start in a forearm position. Do this for 30 to 45 seconds. Do 2 sets total.