Twisting Swiss Ball Jacknife

Concentrate on keeping the body straight during the entire movement. Keep the hips in the proper position to maximize the training benefits. Fatigue will bring the hips towards the floor into a poor position. In other words do not leg the hips sag downward. Focus on maintaining a proper head and neck position throughout the exercise.

Twisting Swiss Ball Jacknife

Aim to bring the knee towards the opposite shoulder and squeeze the oblique muscles at the top of each rep. A anti burst swiss ball is required for safety. The correct swiss ball size is also necessary. Focus on the recruitment of the core muscles synergistically. There will be more recruitment of the oblique muscles on the side the ball moves towards for the relevant repetition. 

Personalized weight training, interval sprint and nutrition program clients should perform the number of reps listed for each set for both the left and right side. Alternate sides with each rep. In most cases The Twisting Swiss Ball Jacknife will be alternated with another exercise in a superset fashion.