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Movement & Strength

Resistance training (progressive overload)

Exercise that works muscles against a load — weights, bands, machines, or body weight — made gradually harder over time so muscle and strength are kept or built.

By the glp1.how editorial teamReviewed

Resistance training (also called strength training) is any exercise that makes your muscles work against a load: free weights, machines, resistance bands, or your own body weight. The principle that makes it work is progressive overload — gradually asking a little more of your muscles over time, by adding weight, reps, or sets, or improving range of motion — so the body has a reason to hold onto and build muscle rather than let it go.

For protecting muscle on a GLP-1, it matters more than any other kind of exercise. Rapid weight loss on these medications takes lean tissue along with fat unless you actively defend it, and resistance training is the signal that tells your body to keep muscle while fat comes off; paired with adequate protein, it's the combination that works. Two or more sessions a week covering all the major muscle groups is the usual floor. See why strength training matters on a GLP-1 and a beginner's resistance-training plan. The CDC recommends muscle-strengthening activity on 2 or more days a week that works all major muscle groups (CDC (external link)).

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Revision history

Updated 2 times since Sep 2, 2026 · show changes
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    Body revised

  2. v2

    Body revised

  3. v1

    Change tracking began

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Related terms

  • GLP-1 · A gut hormone (glucagon-like peptide-1) that stimulates insulin release, slows digestion, and reduces appetite; the target of drugs like semaglutide and liraglutide.

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