Take Care Of Your Posture
Sit right and save your health and a stack of wonga
Stitting in a bad way and not taking care of your posture can lead to pretty serious health issues and can get expensive - so please be aware of how you sit.
Osteopath In London - I go to see Jennie Morton at The British Academy Of Performing Arts Medicine, she's great and many of my muso friends see her too, if you have a music related injury, go see her!
Also worth exploring is the Alexander Technique.