Dicas e cuidados: mantenha sempre o alinhamento do corpo observando os seguintes pontos anatômicos: ombro, quadril e joelho. Back Arch In the past, it was recommended to keep your back flat against the floor throughout the entire movement. Now it is believed it is better to keep a neutral spine, https://singnalsocial.com/story3362496/abdominal-crush-fundamentos-explicado