tabatta this

20 seconds of work followed by 10 seconds of rest for 8 intervals of 4 exercises consecutively

pullups: 10, 9, 8, 7, 5, 5, 5, 5 ... total: 54

squats: 20, 20, 20, 20, 19, 17, 17, 17 ... total: 150

pushups: 15, 15, 15, 11, 9, 8, 8, 5 ... total: 86

situps with feet anchored: 11, 12, 12, 12, 12, 12, 12, 11 ... total: 94