Use wine bottles for weights, dish towels for sliders or a sturdy chair for step-ups. There are also plenty of no-equipment-required workouts — like squats, burpees, sit-ups, planks, push-ups and mountain climbers — you are able to do in even a small space. Brabec recommends selecting 5 exercises, doing each for a minute, then repeating the circuit three to 5 times. Take a few minutes and write down all the explanations you can’t start an train program.