Muscular Endurance is the ability to move your body without getting worn out, while muscular strength is the most amount of force that a muscle can exert against some form of resistance in one single effort.
Put on the gloves should be the first step
It will be Josh who gets his target THR. His range is within 135 bpm—175 bpm while the actual heart rate was 165 bpm, deducting it with 20 bpm results to 145 bpm - falling to the 135 bpm—175 bpm THR range. Although doing the same method as Josh's results to 165 bpm for Dominique, it doesn't fall to his 150 bpm—183 bpm THR range.