How to Avoid Back Injuries
Mechanism / Why It Happens
Trying to jump by lifting only your upper body concentrates a large amount of stress on your lower back.
To ollie higher, raising your center of mass is essential. However, lifting only your upper body by arching your back concentrates excessive stress on your spine, increasing the risk of injury. Instead, raise your center of mass by coordinating your entire body. For more details, see this Tip (Link).