An axis passing through the navel, around which the side somersault and turntable are performed. No award for tariff is made for rotation around it.
DEFINITIONS External forces – forces that are not produced by our bodies such as gravity or air resistance Internal forces – Movement created by using our muscles An example of an Internal Force is a push or pull. An example of a an Internal Force in trampolining is pushing your
Biomechanics can be used to analyse trampoline skills and good coaches will be able to give advice to their performers to enable them to make the necessary adjustments to improve the technical correctness of the skill. Often coaches forget all about the mechanics of trampolining after becoming qualified as they
‘Gain’ or ‘gaining’ is movement in the opposite direction to the direction of the rotation. (eg) Forward travel in a backward rotating skill or Backward travel in a forward rotating skill. An example would be landing forwards of the cross in a back landing, or landing behind the cross in
Cast is the term used to describe sideways travel. It is caused by the centre of mass moving sideways as the body leaves the bed. Cast can be corrected by improving the take phase of the skill. It is common to see casting in a back landing half twist to
Travel describes movement away from the centre of the cross in excess of 50cms Travel is caused by the Centre of Mass moving horizontally as well as vertically at last contact (LC) This is also referred to as ‘leaning off balance’ Travel can be reduced by developing good core stability,