Como fazer o ABDOMINAL CANIVETE? Dicas para iniciantes até avançados!

Get a 100% personalized workout: https://app.horadotreino.com.br/ Join our Community:   / abz_jpzvg0ym5bjn   One of the most complete abdominal exercises and one of my favorites, the jackknife sit-up, also known as the V-up sit-up. In this video I teach you how to do the jackknife sit-up from beginners to intermediate and advanced levels. Want flat, defined abs? I recommend watching this video:    • Como PERDER a BARRIGA e definir o abdômen ...   #exercises #abs #jackknifesit