by Paul Cribb Ph.D. CSCS. | Questions & Answers
Yohimbine is derived from the bark of several trees, most notably Pausinystalia yohimbe and Corynanthe yohimbe. Yohimbine has been marketed as a testosterone booster but I’m not sure how that one came about ― there is no science-based evidence to suggest yohimbine has...
by AST Sports Science | Questions & Answers
An overwhelming amount of evidence indicates that blood testosterone levels govern a person’s potential to build muscle. More testosterone – more muscle growth potential. Drug-free bodybuilders and athlete should do everything they can to optimize natural...
by Paul Cribb Ph.D. CSCS. | Questions & Answers
To examine the effects of different rest intervals on the repeatability of maximum strength, researchers from Tennessee asked 17 highly-trained men to repeat their 1RM (repetition maximum) in the barbell squat. The lifters performed their 1RM twice (on three separate...
by Paul Cribb Ph.D. CSCS. | Research
Drinking four or more cups of coffee a day appears to be associated with a lower risk of type 2-diabetes and better insulin function and these benefits appear to be largely due to caffeine. That’s the scoop from Harvard researchers. Also, it’s not the first time...
by AST Sports Science | Questions & Answers
I assuming you mean a typical cold or the like. The smartest thing to do is give yourself time to heal before attempting to attack the weights again. You will not be doing your training, your health or your training partners any favors by trying to rush back into the...
by AST Sports Science | Research
Research is beginning to pile up on how certain "fats" can actually promote fat loss. Some interesting research investigating some unique properties of olive oil has published over the last few years. Research is revealing that olive oil stimulates...
by Paul Cribb Ph.D. CSCS. | Articles
It’s common knowledge that growth hormone and testosterone are key for building lean mass and burning body fat. However, not many bodybuilders or athletes are aware of insulin’s powerful regulatory effects and its synergistic role in producing IGF-1...
by Dana Bushell | Articles, Training
Great physiques are attained through hard work, dedication and a never-ending passion for self-improvement, and if you’ve been lucky enough to win the genetic lottery, a world-class physique could be in your future. Taking the time to meticulously work on your body...
