In this article, Brad Walker discusses the two conditions of pronation and supination. These two terms refer to a foots natural rolling movement while walking or running. Also Brad discusses how to prevent and treat excessive pronation and supination.
The two conditions we are going to concentrate on in this topic are pronation and supination. These two terms refer to a foots natural rolling movement while walking or running. This motion, sometimes called the running gait, is described at the New Balance web site as...
"A unique set of actions and reactions that your foot performs while in motion to support, cushion and balance your body."
What is Pronation?Pronation refers to the inward roll of the foot during normal motion and occurs as the outer edge of the heel strikes the ground and the foot rolls inward and flattens out. A moderate amount of pronation is required for the foot to function properly, however damage and injury can occur during excessive pronation. When excessive pronation does occur the foot arch flattens out and stretches the muscles, tendons and ligaments underneath the foot.
What is Supination?Supination is the opposite of pronation and refers to the outward roll of the foot during normal motion. A natural amount of supination occurs during the push-off phase of the running gait as the heel lifts off the ground and the forefoot and toes are used to propel the body forward. However, excessive supination (outward rolling) places a large strain on the muscles and tendons that stabilize the ankle, and can lead to the ankle rolling completely over, resulting in an ankle sprain or total ligament rupture.
SymptomsExcessive pronation and supination cause a number of ailments that affect the foot, ankle, knees, hips and back. Some of the more common symptoms of excessive pronation and supination are listed below.
- Arch pain - Heel pain - Flat feet - Corns and calluses - Ankle sprains - Shin Splints - Achilles tendonitis - Knee pain - Hip pain - Back pain
Prevention & TreatmentPronation and supination are bio-mechanical problems, and are best treated and prevented with orthotic inserts. But before you run out to buy orthotics it makes sense to get the right advice on footwear, and the best advice I can give you, is to go and see a qualified podiatrist for a complete foot-strike and running gait analysis. They will be able to tell you if there are any concerns regarding the way your running gait is functioning.
After your running gait has been analysed, have your podiatrist, or competent sports footwear sales person recommend a number of shoes that suit your requirements. Good quality footwear will go a long way in helping to prevent pronation and supination. And, if needed, invest in a pair of orthotic inserts to further prevent excessive pronation or supination.
Choosing the right footwear
What should you be looking for when purchasing a new pair of shoes?
When trying on new shoes always wear the socks that you will be using with your new shoes.
Apart from good footwear and orthotic inserts, what else can you do?
Firstly, a thorough and correct warm up will help to prepare the muscles and tendons for any activity or sport. Without a proper warm up the muscles and tendons around your feet, ankles and lower legs will be tight and stiff. There will be limited blood flow to the lower legs, which will result in a lack of oxygen and nutrients for those muscles. Click here for a detailed explanation of how, why and when to perform your warm up.
Secondly, flexible muscles are extremely important in the prevention of most ankle and lower leg injuries involving pronation and supination. When muscles and tendons are flexible and supple, they are able to move and perform without being over stretched. If however, your muscles and tendons are tight and stiff, it is quite easy for those muscles and tendons to be pushed beyond their natural range of movement. To keep your muscles and tendons flexible and supple, it is important to undertake a structured stretching routine.
Stretching is one of the most under-utilized techniques for improving athletic performance, preventing sports injury and properly rehabilitating sprain and strain injury. Don't make the mistake of thinking that something as simple as stretching won't be effective.
If you enjoyed this article, please feel free to forward it to others, make it available from your site or post it on blogs and forums for others to read. All we ask is that this paragraph and URL are included. For more information and articles on stretching, flexibility and sports injury management, visit The Stretching Institute.
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