Super 21

Super 21: Do 1 merkin followed by 1 situp; 2 merkins / 2 situps; 3 merkins / 3 situps, etc., etc. ....... up to 21 merkins/ 21 situps (total of 231 merkins and 231 situps). Insert other exercises in between to allow for recovery (i.e. - Super 21 #1 - #10, Monkey Humpers x 21, Super 21 #11-#13, Mountain Climbers x 21, Super 21 #14-#15, etc.).