Fabrice Muamba takes KSI onto the pitch again in order to give him some much needed training on how to perfect a defensive header. br br Next video: br br Subscribe br br Keep up with RULE'M br Instagram: @rulemsports br Like us br Follow us br +1 us br br Credits ( we like to pay our dues ) br br Disclaimer br Not all exercises are suitable for everyone. The following exercise program may result in injury. Before attempting a new exercise, consider issues including your flexibility, strength and overall health. Consult a fitness expert before attempting the program. If at any point during the program you begin to feel physical discomfort, stop immediately and consult a physician. Endemol is not responsible for any injuries you sustain from participating in this exercise program.