Push back up to the high plank position, one hand at a time. Repeat for the designated reps, alternating which arm leads. Burpees – 3 sets of 10 reps Mountain Climbers – 3 sets of 30 seconds Bicycle ...
But in your 30s, certain factors can force you to put physical activity on the back burner, Pete McCall, MS, CSCS, exercise science expert and author of Ageless Intensity: Effective Workouts to ...