This exercise is ideal for working the chest muscles while improving your stability. This exercise is used by women as during the execution of this exercise, we recommend the use of light weights to avoid excessive loads in the back.(Note: electronic translation of the text)
> Swiss Ball
InstructionsLie with your back on the Stability Ball so that it fills the space between your shoulders and your lumbar zone. Open your arms on axis with your shoulders. Hold your elbows slightly behind the axis of your shoulders, so that you can extend your pectoral muscles as much as possible. Your forearm to vertical position. Imagining a straight line that starts vertically from your elbows, contract your pectoral muscles and push the barbells upwards, bringing them together, until your arms are completely stretched out. Return to the starting position.