Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to work out naked [title] Do basic pushups. [step] Basic pushups are simple to do at home, and can easily be done in the nude. This is a classic exercise that requires no equipment other than your own body.

Ending1: [substeps] To start, lift your body off the ground with your hands flat on the floor and your fingertips facing forward. Keep your hands near your hips and your shoulders pulled back. Ending2: [substeps] Lay on your back, then stand with your feet up and your arms by your sides. Lift one leg forward and lift the other. Ending3: [substeps] The simple pushups can be done indoors or in a gym. On a flat surface, stretch out if you like and sit on the floor on a folded blanket. Ending4: Visit a local fitness center, strength-training studio, or a gym to do pushups. [substeps] Doing pushups while naked is gentle, and can be done in front of the mirror, not under a shower running water.

Answer format: ending1/ending2/ending3/ending4