How Your Muscles Change With Exercise

Table of Contents

In this video, Jonathan from the Institute of Human Anatomy discusses skeletal muscle tissue, the different muscle fibers, and how they adapt to exercise.

References

https://www.youtube.com/@TheAnatomyLab/videos

Video Timeline

00:00 – 00:38 Intro
00:39 – 02:00 How Muscles Are Put Together
02:01 – 03:14 Fast & Slow Twitch Muscle Fibers
03:15 – 04:36 Fueling Your Body and Muscles
04:37 – 05:57 The Amazing Features of Slow Twitch Muscle Fibers
05:58 – 06:38 Why Oxygen is SO Important
06:39 – 07:41 The Pros & Cons of Slow Twitch Muscle Fibers
07:42 – 08:44 Slow Twitch Muscle Fiber Adaptations to Exercise
08:45 – 09:55 How Fast Twitch Muscle Fibers Work w/out Oxygen
09:56 – 10:55 Aerobic vs Anaerobic
10:56 – 13:20 How You Actually “Turn-On” Your Fast Twitch Fibers – Motor Units!
13:21 – 14:07 How Do Fast Twitch Muscle Fibers Adapt to Exercise?
14:08 – 15:38 Recruiting Different Fibers With Exercise & Percentages of Fast vs Slow
15:39 – 16:40 Geoffrey the Skeleton’s Final Message

How Your Muscles Change With Exercise