The lumbar region is crucial in developing core strength. Consequently, it is important to keep your lower back healthy by maintaining good posture. The best posture for you is the one in which your back is put under the least strain. Whether you are standing or sitting, the muscles in your back should be relaxed without being slack, & your spine should be gently S-shaped.
Faça este treino com o melhor equipamento de exercício. Recomendamos o uso de um monitor de frequência cardíaca de tira peitoral bluetooth ou um smartwatch para mais otimização de treinamento e acompanhamento de desempenho.