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I skipped the gym and asked ChatGPT to build an at-home workout instead — here’s what happened and whether it actually made me sweat.

You don’t need a gym to build muscle. These unique bicep and back workouts use minimal or no equipment to help you grow strength and size at home. There are several effective bicep and back workouts ...

Only 24.2% of American adults meet the required Physical Activity Guidelines for both aerobic and muscle-strengthening activity. These guidelines recommend that, in a week, adults need: Staying fit ...

So, seven-minute workouts might make it easier for women to maintain a consistent fitness routine. When something fits ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...