Manual of Structural Kinesiology
Manual of Structural Kinesiology
19th Edition
ISBN: 9780073369297
Author: R .T. Floyd, Clem W. Thompson
Publisher: McGraw-Hill Education
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Chapter 3, Problem 4RLE
Summary Introduction

To explain: The force that is needed to lift an object of 50kg when mechanical advantage is 4.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

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Chapter 7 - Human Movement Science; Author: Dr. Jeff Williams;https://www.youtube.com/watch?v=LlqElkn4PA4;License: Standard youtube license