New%20Trends%20In%20Strength%20Training

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New Trends In Strength Training
Robert Robergs
Professor Exercise Physiology and
Biochemistry Director Exercise Physiology
Laboratories Department of Health, Sports and
Exercise Sciences University of New Mexico
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Strength, Power and Other Determinants Of Sports
Performance

• VO2max
• Economy
• Efficiency
• Metabolic Threshold
• Cardiovascular
• Physique Body Composition
• Strength and Power
• Motor Unit Proportions
• Psychology

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Body Composition/Physique
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Problem
There is no gold standard of measurement!
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Motor Unit Proportions
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Slow-twitch fiber
Fast-twitch fiber
myosin-ATPase stain preincubation pH4.6
Fast-twitch oxidative fiber
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Fiber Typing

• ATPase Stain Technique
• pH 4.3 4.6 10.4

Slow Oxidative
Fast Oxidative
Fast Glycolytic
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Classification nomenclature of mammalian motor
units
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We need more of a science base to strength
training
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Thank you
rrobergs_at_unm.edu www.unm.edu/rrobergs