Difficulty turning your head to one side due to pain?
Shoulder pain limiting your paddling and catching waves?
Back pain keeping you out of the water?
Difficulty getting your front foot up underneath you during pop-ups?
The knee is important for creating drive and power down the line, trimming on a longboard or landing aerials.
Aerial surfing is awe-inspiring with boosting high above the lip. Landing awkwardly on your board however increases ankle injury risk