DESCUBRA O MOTIVO DO SEU SHAPE NÃO ESTAR BOM O SUFICIENTE

24 Feb 2026 · 3 min
2:46

In this video, fitness presenter Rodrigo Barros critiques common trunk‑rotation and lateral‑flexion exercises that many people use to “shape” their waist. He describes how trunk‑rotation movements (using cables, free weights, or machines) aim to load the obliques but often overload the spine, especially when performed incorrectly. He then examines the lateral‑flexion exercise, explaining that it primarily engages the quadratus lumborum rather than the obliques, and that even when done with proper form it still places excessive stress on the lumbar column. Barros also confronts the widespread belief that these exercises can “burn” the fat covering the waist, debunking the spot‑reduction myth by highlighting the physiological separation between muscle tissue and adipose tissue, illustrated with a hamburger‑and‑bread analogy. The overall message is a warning against ineffective or harmful waist‑shaping routines and a call to understand anatomy and realistic fat‑loss principles.

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