Spidermans. Burrell says these are great for the entire core, but the side crunch part shows your obliques some extra love . You’ll also get a bonus upper body workout, since you’re using your arms, shoulders, and back to stay in plank position.
Do crunches train obliques?
Spidermans. Burrell says these are great for the entire core, but the side crunch part shows your obliques some extra love . You’ll also get a bonus upper body workout, since you’re using your arms, shoulders, and back to stay in plank position.