Can you wobble your kneecaps?! Find out why and what you need them for in today’s lab. Plus, meet three amazing Big Heart Ouch Award nominees and find out who is Top Doc in Ouchology. Dr Xand meets a brilliant body when he goes swimming with Paralympic medal winner Ellie Robinson, and discover some anxiety-busting tips in today's Mindboosters. Meanwhile, over in the Emergency Department, Jake has broken his leg and Nicole has cut her hand.