Video: All the important muscle physiology | MMB

 00:00 Timestamps

00:30 Sarcomere contraction – actin & myosin

2:33 Length-tension relationship of muscles

3:25 Isotonic Vs Isometric muscle contractions & eccentric vs concentric

5:20 Fast Vs Slow Muscle Twitch

7:37 Nerves – what is a motor unit vs motor pool

8:36 Size Recruitment Principle

9:00 Tetanus of muscles & rate coding

10:30 Spinal anatomy and neurones

12:15 Extrafusal a fibres

13:14 Sensory innervation to muscles

14:15 A-Y coactivation

15:44 1a afferent muscle stretch/ myotatic reflex

20:09 Renshaw cells – co-contraction of agonist and antagonist

22:30 GTO and 1b afferent

24:00 Summary of reflexes

26:30 Flexion-withdrawal crossed extension reflex – stepping on a lego brick 🙁

27:00 EMG Practical – H waves & M waves