Lecture videos that describe the structure and function of human skeletal muscles, including muscle fibre types and muscle metabolism.
This video describes muscle metabolism, aerobic and anaerobic respiration in fast, intermediate and slow twitch skeletal muscle fibers. Time stamps Nutrients that can be used to make ATP 0:37 Creatine phosphate 4:27 Oxidative phosphorylation and glycolytic pathway 6:25 Detailed explanation of ATP production pathways in muscle cells 8:42 List of important terms 13:21 Ketones 14:33 Catabolism/ …
This video describes the characteristics of fast glycolytic, fast oxidative-glycolytic, and slow oxidative muscle fibers. https://youtu.be/kNDVt0AgJ2w Time stamps Skeletal muscle fibre types 0:09 Chicken analogy 1:44 Details of slow, intermediate and fast fibre characteristics 3:25 Fibre proportions in various muscles 8:40 Genetics and training affect proportions of fast and slow fibres 9:45 Fast and slow fibres in meat 12:33 Engaging different muscle fibres with exercise 13:37 …
This video describes the events that occur from an action potential in a motor neuron to an action potential and contraction in a muscle cell. https://youtu.be/GrJzf3MaGLA Time stamps Overview Neuron action potential to muscle action potential (animations) 0:14 Quick review of muscle structures 1:07 Details of a muscle cell 1:40 Neuromuscular junction 3:51 Breakdown of …
This video describes cardiac, smooth and skeletal muscle tissue, and the structure and function of skeletal muscle fibres. https://youtu.be/Iid9qk3FUuA Time stamps Functions of the muscular system 0:25 Cardiac, smooth, and skeletal muscles 2:20 Muscle type summary chart 8:37 Structure of a skeletal muscle 8:44 Fascia (chicken skin video) 11:12 Skeletal muscle cell (fibre) 12:21 Download Worksheet …
