Five Easy At-Home Moves to Firm Up Arms After 55

Age-related muscle loss (sarcopenia) and hormonal/metabolic changes can cause arm jiggle. This piece offers five at‑home moves—Pushups, Dumbbell Hammer Curls, Wall Angels, Plank Shoulder Taps, and Overhead Tricep Extensions—focused on building the triceps (the arm’s largest muscle group) while also engaging the biceps and shoulders, with cues to keep a straight line, engage the core, and modify for knee-supported planks if needed.