No pain, no gain, no idea what half these terms mean.
An advanced training system rotating multiple variations of core lifts to develop strength through constant variety rather than linear progression. The Russian roulette of powerlifting programs.
The addictive pursuit of that temporary muscle swelling and tightness achieved during resistance training. Like a drug habit, but legal and you can see your veins better.
The annual worldwide online competition that serves as the first qualifying stage for the CrossFit Games. Where regular people discover that they're neither as fit as they thought nor immune to existential crisis via burpee box jump-overs.
In fitness circles, this refers to the ratio of fat, muscle, bone, and water in your body—basically your body's ingredient list. It's what trainers obsess over instead of just looking at the scale, because apparently weighing 150 pounds of muscle is vastly superior to weighing 150 pounds of anything else. The buzzword that launched a thousand DEXA scans.
A workout format with a long list of different exercises performed once in sequence, chipping away at the list. Starts cheerfully, ends with existential questions.
The lifting or shortening phase of an exercise when muscle fibers contract, like the upward motion of a bicep curl. The part you actually brag about.
A gym-goer who disproportionately emphasizes arm training over compound movements and leg day, typically found monopolizing the dumbbell rack while their chicken legs tell their own story.
Repetitions performed with intentional momentum, body English, or compromised form to move weight beyond strict capability—either a legitimate advanced technique or proof you loaded too much, depending on who's watching.