No pain, no gain, no idea what half these terms mean.
Short for macronutrients — proteins, carbs, and fats — tracked with the obsessive precision of a forensic accountant investigating a multinational corporation. Counting macros turns every meal into a math problem and every restaurant into a source of anxiety.
The practice of mentally focusing on the specific muscle you're working, which sounds like meditation but with more grunting. It requires you to think really hard about your bicep while curling, turning every set into a spiritual experience.
Exercises focused on improving joint range of motion and movement quality, typically involving controlled stretches and movement patterns. It's what you should be doing instead of scrolling Instagram between sets.
The longest training phase in periodization, typically lasting several months to a year, encompassing multiple mesocycles. The fitness equivalent of a five-year business plan that nobody follows perfectly.
A fundamental category of human motion (squat, hinge, push, pull, carry, etc.) that transcends specific exercises. It's the taxonomy of movement, helping you organize training instead of randomly doing whatever machine is free.
Active exercises that improve range of motion and movement quality through controlled motion, as opposed to static stretching that just makes you bendy and weak. It's the difference between being a functional human and a wet noodle.
Muscle growth from increasing the size and number of contractile proteins (myofibrils), making muscles denser and stronger rather than just puffier. It's the 'actual strength' type of muscle growth as opposed to just looking swole.
The controversial theory that constantly changing exercises prevents adaptation plateaus by 'confusing' your muscles. Muscles don't have brains and can't be confused, but this hasn't stopped fitness marketers from selling programs based on outsmarting your biceps.
The vanity-driven muscle groups that people obsessively train because they're visible in gym mirrors—chest, biceps, abs—while neglecting everything else. The fitness equivalent of a movie set facade with nothing behind it.
The force produced when muscles contract against resistance, considered a primary driver of muscle growth. The scientific explanation for why muscles get bigger when you make them work really, really hard.
The smallest division in periodized training, typically lasting one week. Where the rubber meets the road and your carefully planned macrocycle becomes Tuesday's actual workout.
Metabolic conditioning—high-intensity circuits designed to improve your body's energy systems and work capacity while simultaneously destroying your will to continue. Cardio's angry, violent cousin.
Testing your one-rep maximum on a lift to measure absolute strength and fuel your ego for approximately three weeks. The gym equivalent of seeing how fast your car goes.
Training designed to improve the efficiency of energy systems through high-intensity work with short rest. CrossFit's academic-sounding justification for making you do burpees until you see the light.
The ability to actively move a joint through its full range of motion with control. Not to be confused with flexibility, which is just passive range and doesn't require you to control anything.
A training phase lasting several weeks to a few months within a periodized program, typically focused on a specific goal. The middle child of training blocks that nobody talks about but does most of the work.
In physics, the product of mass times velocity that explains why things in motion stay in motion—and why stopping a runaway project feels impossible. More colloquially, it's that magical force that makes everyone want to jump on the bandwagon once success starts building. Losing momentum is every athlete's and startup founder's worst nightmare.
A gymnastics movement transitioning from a pull-up to a dip in one fluid motion, combining pulling and pushing strength with technique. The exercise that humbles people who thought they were strong at pull-ups.
Training with maximum possible intensity, typically near or at one-rep max loads. The Westside Barbell principle that separates the brave from the smart.
A 26.2-mile masochistic foot race that convinces otherwise rational humans to destroy their knees and toenails for a finisher's medal and Instagram bragging rights. Originally inspired by an ancient Greek messenger who died after running the distance—a warning that apparently went unheeded. Today also used metaphorically for any soul-crushing extended activity, like Netflix binges or corporate strategy sessions.
Short for metabolic conditioning, high-intensity workouts designed to improve energy system efficiency. Cardio that lifters can respect, barely.
The profuse perspiration experienced after consuming large quantities of protein, typically post-competition or during bulking phases. Your body's way of complaining about its new carnivore diet.
A gym enthusiast stereotypically obsessed with lifting heavy things and building muscle mass to the possible exclusion of other intellectual pursuits, though many proudly reclaim the term as a badge of iron-pumping honor.