Planking is something we can all do even at home. If you cannot hold this position, try it with your arms straight or drop your knees. Make sure your hips are not high or low but in line with your knees and shoulders. Give this a try and see amazing results!
Immortal Training: holy Crap! 2 stair hops 10 stair jumps 6 wide run/hop out hop in 5 stair sprints 100 level change toe taps 10 push up tuck in 20 lateral alternating squat 40 run in 2 cross in 2 3-5 rounds finish with 5 min low plank hold