Underarm fat can be annoying because it sits in that tricky area between the upper arm, chest, shoulder, and upper back. After 55, the area can look softer as muscle mass dips, posture changes, and overall body fat creeps up. The real target isn’t one tiny pocket of fat. It’s the full upper-body frame around it.
Spot reduction sounds great, but the body doesn’t let you choose exactly where fat leaves first. Underarm fat changes when overall body fat comes down, and that comes from a steady calorie deficit, consistent movement, and enough strength work to build lean muscle. You can still train the muscles around the area, so your arms, shoulders, chest, and upper back look firmer as your body composition improves.

13 hours ago
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