Workout Update: Lift-4/645 Corrective and Foam Rolling- Round 2 -Day 4

Day 4 was upper-body foam rolling from 645 and shoulders in Lift 4. 

The shoulders workout was an interval workout, doing three rounds of two shoulder exercises followed by a 30-second HIIT exercise. Then, of course, finishing with core. I was surprised at how tired my shoulders got. By round three I had to drop the weight I was using for the y-raises and the shoulder flys. I was able to do unmodified HIIT and core moves for longer than I was in Round 1, even though I was dead tired by the end of the workout.