Why switching up your workout every few weeks is key to improving fitness

Consistency is key when it comes to getting in shape. After all, you can’t get fit if you don’t put the work in at the gym.

But are there any benefits to doing the same workout day-in and day-out? Some influencers say there are – claiming that doing the exact same workout for years has been the key to their fitness success.

While this might sound appealing to those of us who have trouble sticking to a routine, the truth is if we don’t challenge our body enough, eventually this strategy could actually work against our aim to get in shape.

In order to improve your fitness, you need to disrupt your body’s homeostasis. This is the process by which living organisms maintain a stable internal environment despite changes in our external conditions.

In relation to exercise and fitness, the external condition could be lifting weights at the gym. This puts stress on the body, altering our internal environment – and thereby disrupting homeostasis.

Stress is what causes our body to respond and adapt. When the stressor that disrupts this homeostasis is exercise, the response is fatigue due to the way it disrupts our normal, internal environment.

The more stress the exercise places on our body, the more fatigue it induces. Only once the stress is...

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