Welcome to the NHS Greater Glasgow and Clyde Musculoskeletal out-patient physiotherapy service. The Musculoskeletal physiotherapy service (or MSK for short) is based in health centres and out-patient departments across Greater Glasgow and Clyde. An MSK physiotherapist will assess and treat patients who have any injury, disease or problem that relates to muscles, bones, joints and peripheral nerves. They may also provide advice to help you manage your condition or refer you to other services.