Warmup: Ski Jumper
Start in a standing position, feet hip width apart, hands next to your hips.
Maintaining a neutral spine and soft knees, push your hips back and up, keeping your hands next to your hips, sticking behind you like a ski jumper going down the ramp.
Return to standing and bring your arms straight up to shoulder height.
Allow a little bit of movement in the knees and be careful not to lock them out at the top position.
When you feel comfortable, try snapping your hips forward with more force, stopping when your body is a straight line rather than curving forward.