The Fastest & Most Coordinated Muscles in the Body

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The Fastest & Most Coordinated Muscles in the Body

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In this video, Jonathan from the Institute of Human Anatomy discusses the unique features of the muscles that move the eye (extraocular muscles) and why they are some of the fastest and most coordinated muscles in the human body.

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Video Timeline

00:00 - 00:48 Intro
00:49 - 01:44 A Real Cornea & Sclera (white part).
01:45 - 03:10 The Amazing Muscles of the Eye!
03:11 - 04:21 Muscles That Rotate the Eye
04:22 - 05:10 Why The Eye Muscles Are the Most Coordinated
05:11 - 06:35 How Are Body Coordinates These Muscles - Motor Unit Recruitment
06:36 - 07:29 The Need to Move the Eyes As Quickly As Possible
07:30 - 08:33 What Makes the Eye Muscles So Fast - Fast Twitch Fibers
08:34 - 09:20 What Makes the Eye Muscles So Fast - Overbuilt Muscles
09:21 - 11:17 Moving Your Eyes "Brilliantly," Body Donors, & Thanks You!

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Specific Functions of Extraocular Muscles:

Lateral Rectus - Abduction of the eye.
Superior Rectus - Elevation & adduction of eye, also assists w/medial rotation.
Medial Rectus - Adduction of the eye.
Inferior Rectus - Depression & adduction of eye, also assists w/lateral rotation.
Superior Oblique - Depression & abduction of eye, medial rotation.
Inferior Oblique - Elevation & Abduction of eye, lateral rotation.
Levator Palpebrae Superioris - Elevation of upper eyelid.

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Audio Credit: https://www.bensound.com

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#anatomy #muscle #eyes