To me it would depend on what my physical goals are and what type of exercise I want to be doing. If you are wanting to do cardio, you could walk or run outside or at a local park. Play with kids or volunteer at a local charity that needs people to help move things. Strength training can be done by moving things around at your house or outside. A friend of mine uses her couch for strength training by picking it up and down with both her arms and legs. Another friend moves her bed and dressers around to get some strength training in.
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