New Trends In Strength Training. Physical education

New Trends In Strength Training. Physical education

1. New Trends In Strength Training
Robert Robergs

2. Strength, Power and Other Determinants
Of Sports Performance
•VO
2max
•Economy
•Efficiency
•Metabolic Threshold
•Cardiovascular
•Physique & Body Composition
•Strength and Power
•Motor Unit Proportions
•Psychology

3. Body Composition/Physique

4. ProblemThere is no gold standard of measurement!

5. Motor Unit Proportions

8. Slow-twitch fiber Fast-twitch fiber
Fast-twitch
oxidative fiber
myosin-ATPase stain
preincubation
pH=4.6

9. Fiber Typing
ATPase Stain Technique
pH 4.3 4.6 10.4
Slow Oxidative
Fast Glycolytic
Fast Oxidative

11. Classification
Method
Nomenclature
Visual Red White
Contractile VelocitySlow-twitch Fast-twitch
Contractile Velocity
and Metabolism
I
Slow-twitch
IIab
Fast-twitch
intermediate
IIa
Fast-twitch
fatigue
resistant
IIb
Fast-twitch
fatigable
Contractile Velocity
and Metabolism
S
Slow-twitch
F(int)
Fast-twitch
intermediate
FR
Fast-twitch
fatigue
resistant
FF
Fast-twitch
fatigable
Contractile Velocity
and Metabolism
SO
Slow-twitch
oxidative
FOG
Fast-twitch
oxidative
glycolytic
FG
Fast-twitch
glycolytic Classification nomenclature of mammalian motor units

12. We need more of a science base
to strength training

13. Thank you