Workout Focus: Endurance, Speed & Power You Need: A stopwatch or interval timer, a bench or chair for step-ups Suggested Warmup: The Super-Quick Warmup Routine, or: 25 jumping jacks | 20 wall push-ups | 20 good mornings | 20 half squats | 20 arm circles each direction | 20 full squats Stability Training: Walking lunge with […]