Trainer: Davi Kane, Body in Balance in Linwood

Exercise: Body crunch with resistance ball

Muscles targeted: Rectus abdominus

Reps/sets: 10 to 15 reps/ 2 to 3 sets

Equipment: Resistance ball

Laying flat on the floor, place a resistance ball between your knees. Come into a sit-up position, grabbing the resistance ball with your hands. Bring hands back over head while returning to lying position. Come back into a sit-up position, place ball back between your knees and finish sit up. Repeat.