TEMPO in workouts Explained!

WHAT IS TEMPO IN EXERCISE?

Tempo is a way to control the rate at which an exercise is performed. It refers to how much time the muscle spends under tension in the isometric, eccentric, and concentric portions of the exercise.

Manipulating tempo can change the complete intent of the training program. Therefore, it is of the utmost importance that you understand this concept. 

Before we discuss how to write a tempo ‘prescription’ you need to understand the different types of muscle contractions.

TEMPO AND THE THREE TYPES OF MUSCLE CONTRACTIONS:

ISOMETRIC

An application of force to a muscle in which the joint angle and muscle length do not change during contraction. I.e: The bottom and top of a squat, as well as a plank.

ECCENTRIC

A contraction where the muscle elongates while under tension due to opposing force being greater than the force generated by the muscle. I.e: The lowering portion of the squat.

CONCENTRIC

A type of muscle contraction in which the muscle shortens while generating force greater than the external load. I.e: The standing portion of the squat.

HOW TO WRITE AND READ TEMPO IN AN EXERCISE PROGRAM

Now that we understand the definitions of the various contractions. Let’s take a look at how to write a tempo. Tempo should always be written as a 4 digit prescription like the example below. @22X1

You may be scratching your head at what exactly that means. But let’s break it down.

Digit 1 Represents the Eccentric

Digit 2 Represents the Isometric Bottom

Digit 3 Represents the Concentric

Digit 4 Represents the Isometric Top

The way in which and the amount of time the tempo ‘prescription’ is written changes the intent of the piece. There are four main categories of intent that change depending on the tempo.

1. Position/Mechanics – By slowing down the movement, you are forcing the athlete to develop an awareness of what the body is doing and should be doing in each muscle contraction or even one specific muscle contraction within the piece.
2. Metabolic –  If you increase the total amount of time under tension, you increase the amount of work required, which in turn increases the metabolic demand of the actual contraction. (I.e. @7530 is a significant amount of time under tension as compared to @21X2.)
3. Progression – You can keep the tempo the same for the movement and gradually decrease the amount of time under tension in the sets to force weight progression and advancement. (An example of this would be @4010 to @3010, @2010.) 
4. Control –  Tempo requires the athlete to utilize every muscle in order to meet the demands of the tempo. This forces the athlete to remain in control and develop muscles to maintain it.

TEMPO EXPLAINED:

Tempo plays a critical role in the success and effectiveness of an individualized program. However, there is much more than just tempo that goes into designing an individualized program.