Triangle Crunch | Illustrated Exercise Guide

Primary muscles: Abs, obliques
Secondary muscles: Core, legs
Equipment: No equipment
Exercise for the opposite muscles: Bird dogs

TRIANGLE CRUNCH INSTRUCTIONS

1. Kneel on your left knee, extend your right leg to the side, place your left hand on the floor and place your right hand behind your head.
2. Bring your right knee toward your right elbow and squeeze.
3. Return to the starting position, repeat, and then switch sides.

PROPER FORM AND BREATHING PATTERN

Engage your core and keep your head and neck neutral. Breathe out as bring your knee toward your elbow and squeeze your abs and obliques. Inhale as you return to the starting position.

EXERCISE BENEFITS

The triangle crunch targets the abs and the obliques and helps to strengthen and tighten the core. This exercise sculpts the waist, tones the abdominal wall and improves your balance and flexibility.

DEMONSTRATION

SETS AND REPS

Do 2 or 3, 30 second to 1 minute sets on each side. For a thorough core workout, pair the triangle crunch with bird dogs, plank jacks and the wood chop exercise.

CALORIES BURNED

To calculate the number of calories burned doing the triangle crunch, enter your weight and the duration of the exercise:

RELATED CORE EXERCISES

Try these other core exercises to tighten, sculpt and strengthen your abs, obliques, lats and lower back:
Inverted V plank
Standing side bend
Plank shoulder taps
Side crunch