Calisthenics
Alternatively, follow this basic calisthenics program:
Static chin-up: 8 reps
DO NOT BREAK
Elevated push up: 10 reps
DO NOT BREAK
Leg raises: 10 reps
DO NOT BREAK
Inverted rows 45:15 reps
DO NOT BREAK
Bench dips: 10 reps
Squat: 20 reps
BREAK 90 SECONDS
The above program series should be done in 3 rounds without breaks between program turns, but hold a break between rounds.