Stand tall, step one foot forward with your heel on the ground and toes pointing up, and gently hinge forward at your hips while maintaining a straight back. Hold this position for 15 to 30 seconds ...

Set in a jungle in Costa Rica, Celebrity Bear Hunt follows 12 celebrities including Shirley Ballas, Mel B, Boris Becker and Una Healy, as Bear Grylls himself hunts them down.