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1.8: Skeletal Muscle Physiology: Contraction and Reflexes (ft. Jasper)
This episode is all about how our skeletal muscles can take us from point A to point B! Norm, Shaun and Terence are joined by fellow medical student Jasper, who has a honours degree in skeletal muscle physiology to talk about how these voluntary muscles can contract and what molecules are involved.
Shout-out to Ben Earner!
FUN FACT: The ryanodine receptor is activated by caffeine and no one knows exactly how (except maybe Norm).
Content covered in this episode includes:
- The process of excitation-contraction coupling, including action potential propagation, the roles of ATP and calcium and the sarcomere.
- The length-tension curve relationship and the difference between active and passive tension
- Motor unit recruitment patterns and muscle fibre types
- Dexterity vs strength
- The myotactic (catch) and inverse myotactic (drop) reflexes
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By Shaun, Norm and TerenceThis episode is all about how our skeletal muscles can take us from point A to point B! Norm, Shaun and Terence are joined by fellow medical student Jasper, who has a honours degree in skeletal muscle physiology to talk about how these voluntary muscles can contract and what molecules are involved.
Shout-out to Ben Earner!
FUN FACT: The ryanodine receptor is activated by caffeine and no one knows exactly how (except maybe Norm).
Content covered in this episode includes:
- The process of excitation-contraction coupling, including action potential propagation, the roles of ATP and calcium and the sarcomere.
- The length-tension curve relationship and the difference between active and passive tension
- Motor unit recruitment patterns and muscle fibre types
- Dexterity vs strength
- The myotactic (catch) and inverse myotactic (drop) reflexes