This video tells us a descriptive introduction and classification of myopathies together with clinical features and diagnostic tests related to different types of myopathies. Myopathy is any disease that affects the muscles that control voluntary movement in the body. Patients experience muscle weakness due to a dysfunction of the muscle fibres. TIMELINE: 0:20 Introduction 1:48 Classification Of Myopathies 4:59 Clinical features 10:45 Diagnostic tests 15:10 Complications 20:58 Physiological complications 21:43 End