Build the engine, burn the fat, and tone your muscles!
1 min up downs
1 min db or kb goblet squats
1 min medball Russian twists or plank hold
1 min KB RDL
T1/2/3: all use weight that does not cause a break in form. Stay controlled in your movements throughout the 40 minutes
same as IM60 but for 20 minutes instead of 40.