20-Minute DUMBBELL ARMS Workout (No Repeats)

4 Feb 2025 · 19 min
19:25

In this 20‑minute YouTube workout, Lindsey Bomgren (joined by instructor Rachel) guides viewers through a condensed, no‑repeat dumbbell arm routine designed to fatigue every major upper‑body muscle group. The session begins with a dynamic warm‑up and mobility sequence targeting wrists, shoulders, spine, and lats. The main workout follows a 40‑seconds‑on / 20‑seconds‑off interval format (sometimes using the rest period for an isometric hold) and progresses through distinct muscle‑group blocks: biceps (curls, hold, alternating hammer‑curl‑press), shoulders (overhead press, march, lateral‑to‑front raises), triceps (kickback, overhead extension, skull‑crusher), back (bent‑over rows, back fly, plank‑row burnout), and chest (press and fly). Throughout, Lindsey offers cueing, motivational encouragement, and modification options (e.g., lighter weights, knee‑based variations). The video ends with a cooldown stretch, a final high‑five, and calls to subscribe, watch related workouts, and join a two‑week strength challenge. Equipment needed: a pair of dumbbells (15‑20 lb suggested). The tone is upbeat, instructional, and supportive, aiming to make a quick yet comprehensive arm‑focused strength session accessible to home exercisers.

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