by Paul Cribb Ph.D. CSCS. | Questions & Answers
This is an area of confusion for most people. For best fat-burning results should you do high intensity, short duration cardio or low-intensity, long duration cardio? The concept of “fat burning” exercise has been taken way out of context from Dr. George Brooks’...
by Dana Bushell | Articles, Training
Structural integrity is a performance characteristic that ensures the constructed will carry out its designed function. Apply this definition to the world of bodybuilding, and you’ll find that the path it leads you to is literally at the “core” of your physique....
by AST Sports Science | Articles, Research
The amino acid Gamma Aminobutyric Acid (GABA) is a neurotransmitter that plays a key role in growth hormone (GH) secretion. Twenty years ago, a group of Italian researchers published several studies showing GABA’s unique ability to significantly increase...
by Dana Bushell | Articles
Bodybuilding will always struggle to be accepted in the mainstream. There are facets of our culture that most simply cannot understand. Whether it is the bulging muscles or extreme vascularity, those who dwell in the bodybuilding world are probably better off politely...
by AST Sports Science | Articles, Research, Supplements
Glutamine and GABA are two extremely effective GH stimulators. In fact, they have a greater impact on increasing growth hormone than any other natural substances I know of. GABA has been shown in studies to increase growth hormone levels by as much as 550%. GABA also...
by Dana Bushell | Articles, Training
Everyone is busy. Everyone has responsibilities to live up to and places to be for pre-determined lengths of time. For many, this leaves working out as the final check mark for the day on a list of many things to accomplish. Unfortunately, though, that final check...
by Paul C. Henning, Ph.D. CSCS | Research
Skeletal muscle contains high concentrations of histidine-containing dipeptides (HCD), in the form of carnosine, anserine, or ophidine. Carnosine, the only HCD found in humans, is related to high-intensity exercise performance 1. Beta-alanine is the rate-limiting...
by Paul Cribb Ph.D. CSCS. | Questions & Answers
I’ve gone into detail about the physiological differences between white and brown adipose (fat) tissue in a previous Q&A. Brown fat is an important heat-generating tissue, while white fat is the more typical form of fat we associate with undesirable weight gain....
by Dana Bushell | Training
There once was a time when being concerned with one’s chest measurements was a single gendered issue. Fast forward to today, and men all around the world are taking out their measuring tapes to size up the circumference of their own chests hoping for the slightest of...
by Paul Cribb Ph.D. CSCS. | Research
Glutamine is essential for protein synthesis and muscle cell growth. While maintaining glutamine status is critical to hard training athletes and the critically ill, very little research has investigated the most effective nutritional method to enhance glutamine...
