Ornox Library
Back to all entries
training

Understanding Tempo

Last updated: 2026-06-01

Understanding Tempo

The Point

  • Tempo tells you how quickly each part of a repetition should be performed.
  • It is typically written as a series of four numbers or symbols, such as 42X2.
  • Each position represents a different part of the rep.
  • Understanding tempo helps you perform exercises consistently and as intended.

The Reason

Not all reps are meant to look the same all of the time.

A squat performed with a controlled descent and pause creates a different training effect than a squat performed as quickly as possible. Tempo gives structure to a repetition so that each rep matches the goal of the exercise.

Without tempo, one person might lower a weight over four seconds while another drops it immediately. Both completed the rep, but they did not perform the same exercise in the same way.

Tempo provides a common language that helps define how the movement should be executed.

What To Do

Tempo is usually written as four positions:

Eccentric → Bottom Position → Concentric → Top Position

Using 42X2 as an example:

  • 4 = Lower the weight over 4 seconds.
  • 2 = Pause for 2 seconds in the stretched or bottom position.
  • X = Lift the weight as explosively as proper control allows.
  • 2 = Pause for 2 seconds in the top position before beginning the next rep.

For a squat, 42X2 would look like:

  1. Lower into the squat over 4 seconds.
  2. Hold the bottom position for 2 seconds.
  3. Stand up as explosively as possible.
  4. Stand tall for 2 seconds before starting the next rep.

For a dumbbell bicep curl, 42X2 would look like:

  1. Lower the dumbbell over 4 seconds.
  2. Pause in the fully stretched position for 2 seconds.
  3. Curl the weight up as explosively as possible.
  4. Squeeze at the top for 2 seconds before lowering again.

Some common symbols you may see:

  • X = Move as explosively as proper technique allows.
  • 0 = No intentional pause.
  • 1, 2, 3, 4, etc. = Number of seconds to spend in that position.

You do not need to count with perfect stopwatch precision. The goal is to match the intent of the tempo closely enough that the rep is performed as designed.

Common Misreads

  • “Tempo means I have to count perfectly.” No. Tempo is a guide for execution, not a stopwatch test.
  • “X means move recklessly fast.” No. It means move as explosively as possible while maintaining control and technique.
  • “A slower tempo is always better.” Not necessarily. Different tempos serve different purposes.
  • “Tempo only applies to the lowering phase.” No. Tempo can control every part of the repetition.
  • “If no tempo is listed, tempo does not matter.” Not exactly. Every rep still has a tempo, even when one is not explicitly prescribed.

Exceptions

Your coach may adjust tempo based on the goal of the exercise, injury considerations, skill development, or the specific adaptation being targeted.

Related Guides