Can you last 4 seconds?
8 PAX posted in the gloom to see who could last 4 seconds. Warmup: 15 Seal Jacks 15 Shoulder Pretzels 10 Windmills 10 Perfect Squats Thang: 4 Seconds of all out effort, followed by 15 seconds rest. We did 11 sets of each exercise, and 9 total exercises: Hill sprints Squats HR Merkins Stair sprints … More Can you last 4 seconds?