By URL
By Username
By MRSS
Enter a URL of an MRSS feed
 
or

Oxygen Demand Videos by Popular

Stressing the MUSCLES w/o Straining the HEART

12/01/11
Super7System.com http TheBestWayToExercise.com ECCENTRICS in STRENGTH Sufficiently stresses muscles without overly straining the ... tags: cardiac cardio Firm heart muscles myocardial oxygen demand