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Lecture 21: Understanding Muscle Function, Contraction, and Organization - Prof. Tonia Hsi, Study notes of Zoology

University of Florida (UF)Zoology

Prof. Tonia Hsieh

A series of lecture notes from a university course on zoology (zoo 3713c) focusing on the muscular system. Topics covered include the mechanisms for increasing running speed, foot posture during locomotion, types of muscle, heart contraction, muscle organization, sliding filament theory of contraction, muscle properties, muscle architecture, and ways to increase muscle force.

Typology: Study notes

Pre 2010

Uploaded on 03/18/2009

koofers-user-5e4 🇺🇸

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Partial preview of the text

Download Lecture 21: Understanding Muscle Function, Contraction, and Organization - Prof. Tonia Hsi and more Study notes Zoology in PDF only on Docsity! 13 October 2008 ZOO 3713C 1 Lecture 21: The Muscular System Two mechanisms for increasing running speed: 1. 2. Define: Stride Step Foot Posture During Locomotion 13 October 2008 ZOO 3713C 2 Foot Posture During Locomotion (cont.) Plantigrade Digitigrade Unguligrade Froude Number gl uFr 2 = 13 October 2008 ZOO 3713C 5 Skeletal Muscle Organization Motor Units 13 October 2008 ZOO 3713C 6 Sliding Filament Theory of Contraction Types of Muscle Contraction: 1. Shortening contraction 2. Isotonic contraction 3. Isometric contraction 4. Eccentric contraction 13 October 2008 ZOO 3713C 7 Muscle Properties Length-Tension Force-Velocity and Power-Velocity

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