Speed and Strength: Original Version, Restored
"Exercises of speed increase the activity of the respiratory organs with much less fatigue of the lungs and heart than is created by strength exercises, owing to the absence of forced muscular effort.…
od 13 €
Výrobca
CreateSpace Independent Publis
Specifikacia Speed and Strength: Original Version, Restored
"Exercises of speed increase the activity of the respiratory organs with much less fatigue of the lungs and heart than is created by strength exercises, owing to the absence of forced muscular effort. Such effort occurs only accidentally in exercises of sp