energy systems

You can get athletes optimally faster, better conditioned, and even tougher in the same program if you understand a few simple principles.
Inspired by conversation with John Du Cane of Dragon Door and Qigong, kettlebells, and fitness.
Many chronically overtrained BJJ athletes come my way with burnout, and to top it all off, they are frustrated because they can’t lose weight even with all the training.
The fourth part in our exercise recovery series will help you elicit that last bit of recovery capacity with active and passive strategies.
In the third part of our series on exercise recovery, we look at how to maximize recovery and build more lean muscle with the two most overlooked tools in your arsenal.
Bring bodybuilding principles to functional resistance training by focusing on quality of movement rather than intensity.
This article is meant to simplify calisthenics training, guide you from beginner to advanced, and show you how all levels can use your body as a paintbrush to create a masterpiece.
Remind yourself that the lockdown is an opportunity to take time to rest, heal some nagging injuries, and pause and reflect on your training goals.
The reality is, 80 percent of people who have sleep apnea don’t know it.
Here's a quick way to build the type of muscle that is like the lean striated muscle of leopards not plumped up chicken breasts filled with water.
Just as the skill of locomotion doesn’t end with a baby’s first step, breathing is not simply a matter of inhalation and exhalation.
Researchers are looking into probiotics that may help improve athletic performance.
People spend years dieting, exercising, and doing their best to try to lose weight, but they barely see any results for their efforts.
High-intensity protocols may be all the rage, but they're no substitute for the benefits of plain old cardio.
This discovery leads us one step closer to understanding tiredness and how the brain signals to the body that it's time to sleep.
Glucose sensing in skeletal muscles contributes to the body's overall regulation of blood sugar levels, according to new research.
A lot of men tend to agree with the statement that "things go downhill after 35." What if there were a pill for that?