No pain, no gain, no idea what half these terms mean.
A planned week of reduced training intensity that your ego will fight against even though your body desperately needs it. It's the workout equivalent of a spa day, except you still go to the gym and just lift lighter while feeling like a fraud.
The speed at which you perform each phase of a lift, turning a simple bicep curl into a mathematical equation involving seconds, phases, and existential patience. Slow tempo means the weight feels three times heavier and the set lasts approximately forever.
The rate at which work is performed, typically measured in watts during cycling or other activities. The cold, mathematical truth about whether you're actually working hard or just sweating dramatically.
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 amount of power you can generate relative to your body mass, typically measured in watts per kilogram. The holy grail metric for cyclists and climbers who understand that physics is unimpressed by absolute strength.
The training-killer where you spend so much time researching optimal programs, splits, and periodization schemes that you never actually work out. Perfect is the enemy of progress.
The communal container of magnesium carbonate that everyone dips into before heavy lifts, transforming the surrounding area into a small-scale cocaine lab. Grip insurance for sweaty palms.
The temporary muscle swelling and tightness from blood pooling during resistance training, creating a satisfying fullness that Arnold Schwarzenegger famously compared to orgasm. Yes, really.
The training law stating you get good at what you actually practice, meaning endless bicep curls won't magically improve your marathon time. It's fitness's way of saying 'be realistic about cause and effect.'
Maintaining a static position under tension without changing muscle length, like planking until your core contemplates filing a grievance. It's the art of not moving while everything inside you screams to move.
An intensity technique where you perform reps to failure, rest briefly (10-15 seconds), then squeeze out more reps with the same weight. Torture disguised as a training method.
A specific phase of training lasting several weeks with a focused goal—strength, hypertrophy, or conditioning. Like a TV series season with a story arc, except the plot is just you getting gradually more tired.
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.
Someone who shares your workout schedule, spots your lifts, and witnesses your gym face at its worst. A relationship built on mutual suffering and the understanding that 'one more rep' is always a lie.
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.
Complete glycogen depletion during endurance exercise, causing sudden, catastrophic fatigue and the overwhelming desire to lie down anywhere. Cyclists' worst nightmare and the reason why energy gels exist.
Energy system training designed to improve work capacity, usually involving high-intensity intervals or circuit training. What happens when someone decides cardio wasn't quite miserable enough.
An advanced stretching technique involving contraction and relaxation patterns to improve flexibility and range of motion. Physical therapy's way of tricking your muscles into letting go.
The energy system that breaks down carbohydrates without oxygen for high-intensity efforts lasting 30 seconds to 2 minutes. It's your body's backup generator that produces energy fast but leaves you with that burning sensation and lactate accumulation.
Active movements that take joints through their range of motion, used to warm up before exercise. The bouncy, movement-based stretching that makes you look like you're practicing interpretive dance.
Explosive jumping and bounding exercises that train muscles to exert maximum force in minimal time. Basically teaching your muscles to become tiny nuclear reactors of power.
Starting a race or workout at an unsustainably fast speed that feels great for about three minutes before your body stages a full rebellion. The athletic equivalent of financial irresponsibility.
An exercise targeting a single muscle group or joint, like bicep curls or leg extensions. Perfect for building Instagram muscles while neglecting functional strength.
Training that supposedly translates to real-world movement patterns and daily activities, as opposed to 'non-functional' exercises that only make you better at exercises. The term everyone uses to justify their preferred training style.