Transcription of Biomechanics of Skeletal Muscle
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STRUCTURE OF Skeletal Muscle ..46 Structure of an Individual Muscle Fiber ..46 The Connective Tissue System within the Muscle Belly ..48 FACTORS THAT INFLUENCE A Muscle S ABILITY TO PRODUCE A MOTION ..48 Effect of Fiber Length on Joint Excursion ..48 Effect of Muscle Moment Arms on Joint Excursion ..50 Joint Excursion as a Function of Both Fiber Length and the Anatomical Moment Arm of a Muscle ..51 FACTORS THAT INFLUENCE A Muscle S STRENGTH ..52 Muscle Size and Its Effect on Force Production ..52 Relationship between Force Production and Instantaneous Muscle Length (Stretch) ..53 Relationship between a Muscle s Moment Arm and Its Force Production ..56 Relationship between Force Production and Contraction Velocity ..58 Relationship between Force Production and Level of Recruitment of Motor Units within the Muscle ..60 Relationship between Force Production and Fiber Type ..61 ADAPTATION OF Muscle TO ALTERED FUNCTION ..62 Adaptation of Muscle to Prolonged Length Changes.
Chapter 4 | BIOMECHANICS OF SKELETAL MUSCLE 47 chains to “slide” on the myosin chain (Fig. 4.3).The tension of the contraction depends upon the number of cross-bridges
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