time under load

Definition

The total time your muscles spend under tension during a workout session or specific exercise, measured by people who apparently have the mental bandwidth to count seconds while their muscles are screaming. Related to 'time under tension' but encompasses the full training session.

Example Usage

His program prescribed 45 minutes of time under load, which sounds scientific until you realize it just means 'work out for 45 minutes like a normal person.'

Origin

Developed in sports science and strength training research in the late 20th century

Fun Fact

Elite bodybuilders may accumulate 60+ minutes of time under load per muscle group weekly, explaining both their physiques and why they're always eating.

Source: Exercise science and bodybuilding program design

Related Terms

Advanced

myofibrillar hypertrophy

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.

⚽ Sports / Fitness

Intermediate

Park City

An upscale Utah ski town where teenagers get $100 season passes and mountain activities most people save years to afford, yet still find things to complain about. It's the geographic embodiment of not knowing how good you have it. A place where privilege and powder snow intersect at 7,000 feet elevation.

⚽ Sports / Fitness

Beginner

Warm Up

The preliminary exercises you're supposed to do before the real workout but that everyone either skips entirely or does for approximately thirty seconds while walking to the squat rack. It prevents injuries, which you'll learn the hard way after skipping it.

⚽ Sports / Fitness

Intermediate

smelling salts

Ammonia inhalants used to trigger an inhalation reflex and adrenaline spike before heavy lifts. Because apparently screaming and slapping yourself isn't enough sensory assault for a max deadlift.

⚽ Sports / Fitness

Intermediate

working capacity

Your ability to perform and recover from training volume, essentially your body's throughput for productive suffering. High working capacity means you can handle more training without turning into a zombie.

⚽ Sports / Fitness

Advanced

lactate threshold

The exercise intensity at which lactate begins accumulating in your blood faster than your body can clear it. The invisible line between 'I can do this all day' and 'I need to stop immediately.'

⚽ Sports / Fitness

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