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Should You Stretch?

November 04, 2020 3 min read

Should You Stretch?

The Truth About Stretching

There are hundreds – yes, hundreds – of studies on stretching and running injuries.

And what we end up with is a lot of mixed information from these studies – the benefits are tough to measure given the variable nature of stretching.

Regardless, stretching is an important part of one’s fitness plan especially if it involves running. Yet, it remains somewhat of an enigma to many people today.

Some are dedicated stretchers, and some never do it.

Why Bother?

Why should you even bother stretching?

Stretching is thought to decrease muscle stiffness. “Stiffness” is defined as the force needed to change the length of a muscle. So, if one is ‘stiff’ it takes them more effort, or force, to lengthen their muscles. And typically, stiffness is associated with some degree of pain or perhaps more accurately, discomfort. (However as we can all attest, very tight muscles can be quite painful!)  

Newer evidence suggests that stretching can actually have subtle pain-relieving effects, and serve to strengthen muscles as well. These are relatively new discoveries in the last few years and provide further evidence in the "pro" stretching debate. 

Stretching Cautions

But, before we get too far, there are definitely some aspects of stretching that deserve a cautionary note:

1. It seems that in every stretching explanation, the fact that bouncing during stretching, or ‘ballistic’ movement is frowned upon. This is true, but the last time someone told me to bounce while I stretched was in the 1970’s. Does anyone recommend this anymore? I hope not, but if so, don’t do it.

2. Stretching before exercise may be detrimental to performance. Or more accurately, stretching cold muscles before working out may actually increase the chances of injury or pain during the workout/race. One only needs to warm up before an event to increase range of muscle motion.  Stretching a tight or sore muscle after you have warmed up, but before a race, is okay. The key is having warmed muscles before stretching them.

In short, if you stretch a 'cold' muscle it will tighten up and will exert less force when called up.  Less force = weakness and decreased speed.

3. Stretching and pain. Again, an old-school notion was to stretch as far as one could, to the point of pain. Not good. Stretching should be a pain-free experience. If you stretch and feel pain your brain sends a signal to the muscles to ‘stop the pain’, and the muscles react by getting even tighter, which leads to small tears in the muscle and/or tendons.

How Long?

Exactly how long should you hold a stretch?

It needs to be at least 60 seconds in order for your brain to understand that this is a ‘real’ stretch. Holding a stretch for less than a minute only registers as a temporary stretch, and doesn’t do much to increase the muscle’s flexibility and may even shorten the muscle and limit it's elastic performance.

What's Good About Stretching?

Now that we have that out of the way, how should you stretch? Again, there's lot of information out there, and many of the studies looking at stretching and athletic performance reveal conflicting views.  However, there are a few clear points that can be taken from the research.

1. Pre-workout/race stretching will not prevent injury. However, pre-workout/race warm-up will prevent injury.  In other words, don't stretch but do a light jog to raise your body temperature.

2. One long, continuous stretch (for each muscle) may be better than a series of shorter stretches. This may mean holding a stretch for 1 to 2 minutes, rather than the typical quick 30 second stretch.

3. Stretching is an individual activity, meaning that each person needs to stretch to where they feel comfortable. Some of us are just tighter than others. 

4. Stretching will improve performance in regard to muscle force production (strength) and contraction velocity (speed) but only if it's done regularly. Like all things in sports performance, consistency is key with stretching, too. 


Keep in mind the above information is intended for the injury-free runner. If you’re injured, this adds another dimension and there may be certain dos and don’ts that go with it.

The other important aspect of stretching is proper form, which needs to be demonstrated, not written about. If you are unsure about your stretching technique, ask someone that knows what they're talking about rather than getting the wrong information.

Damaged tendons or ligaments?  We've used Ligament Restore in hundreds of patients to heal injured and stressed ligaments and tendons. 

Muscle cramps and spasms? You're more than likely deficient in, have imbalanced electrolytes. Klean Electrolytes are our go-to for keeping plenty of electro's on board.

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