Please take a moment to read the following disclaimer/waiver:

The exercises provided (by Jo Gibson of Rocket Fitness Brighton Ltd) are for educational and entertainment purposes only, and it is not to be interpreted as a recommendation for a specific treatment plan, product or course of action.  Exercise is not without its risk, and this or any other exercise program may result in injury.  To reduce the risk of injury, before beginning this or any exercise program, please consult a healthcare professional to be sure that you can take part at this physical activity. If at any point during your workout you begin to feel faint, dizzy or physical discomfort, you should stop immediately and consult with a doctor.  

Please make sure that you have plenty space during the workout, you are wearing comfortable sportswear and you will keep yourself hydrated at all times.