Lately, there have been a lot of questions referring to the
latest studies and research findings, and the one question that
we receive most queries about concerns the role that stretching
plays as part of the warm-up.Currently, there seems to be a lot of confusion about how and
when stretching should be used as part of the warm-up, and some
people are under the impression that stretching should be
avoided altogether.
This is a very important issue and needs to be clarified
immediately. The rest of this article is dedicated to dispelling
some common myths and misconceptions about stretching and its
role as part of the warm-up.
What Has Science Got to Say?
Most of the studies attempt to determine the effects of
stretching on injury prevention. This is a mistake in itself and
shows a lack of understanding as to how stretching is used as
part of an injury prevention program and the warm-up.
Stretching and its effect on physical performance and injury
prevention is something that just cannot be measured
scientifically. Sure you can measure the effect of stretching on
flexibility with simple tests like the "Sit and Reach" test, but
then to determine how that affects athletic performance or
injury susceptibility is nearly impossible.
One of the more recent studies on stretching supports this view
by concluding:
"Due to the paucity, heterogeneity, and poor quality of the
available studies, no definitive conclusions can be drawn as to
the value of stretching for reducing the risk of exercise-
related injury." (The efficacy of stretching for prevention of
exercise-related injury: a systematic review of the literature,
2003, Weldon.)
To put the above quote in layman's terms, there have not been
enough studies done and the studies that have been done are not
specific or consistent enough.
The Greatest Misconception
Confusion about what stretching accomplishes, as part of the
warm-up, is causing many to abandon stretching altogether. The
key to understanding the role stretching plays can be found in
the previous sentence. But, you have to read it carefully.
Stretching, as part of the warm-up!
Here is the key: Stretching is a critical part of the warm-up,
but stretching is not the warm-up.
Don't make the mistake of thinking that doing a few stretches
constitutes a warm-up. An effective warm-up has a number of very
important key elements, which work together to minimize the
likelihood of sports injury and prepare the individual for
physical activity.
Identifying the components of an effective and safe warm-up, and
executing them in the correct order, is critical. Remember,
stretching is only one part of an effective warm-up and its
place in the warm-up routine is specific and dependent on the
other components.
The four key elements that should be included to ensure an
effective and complete warm-up are:
1. The general warm-up
This phase of the warm-up consists of 5 to 15 minutes of light
physical activity. The aim here is to elevate the heart rate and
respiratory rate, increase blood flow, and increase muscle
temperature.
2. Static stretching
Next, 5 to 15 minutes of gentle static stretching should be used
to gradually lengthen all the major muscle groups and associated
tendons of the body.
3. The sports-specific warm-up
During this phase of the warm-up, 10 to 15 minutes of sport
specific drills and exercises should be used to prepare the
athlete for the specific demands of their chosen sport.
4. Dynamic stretching
Dynamic stretching involves a controlled, soft bounce or
swinging motion to force a particular body part past its usual
range of movement. The force of the bounce or swing is gradually
increased but should never become radical or uncontrolled.
Please note: Dynamic stretching carries with it a high risk of
injury if used incorrectly. Dynamic stretching is more for
muscular conditioning than flexibility and is really only suited
for professional, well-trained, highly-conditioned athletes.
Dynamic stretching should only be used after a high level of
general flexibility has been established.
All four parts are equally important and any one part should not
be neglected or thought of as not necessary. All four elements
work together to bring the body and mind to a physical peak,
ensuring the athlete is prepared for the activity to come.
So what conclusions can we make?
Stretching is beneficial, when used correctly. However, as with
most activities, there are rules and guidelines to insure that
they are safe, and stretching is no exception. Stretching can be
extremely dangerous and harmful if used incorrectly.
Remember, stretching is just one very important component that
assists to reduce the risk of injury and improve athletic
performance. The best results are achieved when stretching is
used in combination with other injury reduction techniques and
conditioning exercises.