This video is worth a choice if you need to learn about the mechanism involved in Skeletal Muscle Contraction. It gives an interesting and comical insight into the role of actin, myosin and ATP for contraction to occur. Timeline: 00:00 Introduction - Actin and Myosin 01:12 Types of Muscle Tissue 02:40 Structure of Skeletal Muscle 03:54 Sarcomere 04:40 Sliding Filament Model of Contraction 05:52 Action Potential and Muscle Contraction 08:00 The role of ATP 09:17 Closing Remarks