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STRENGTH AND POWER TRAINING INFORMATION FOR THE SERIOUS ATHLETE!

 

Is your grip width destroying your shoulders?

Where you grip the bar may be the best predictor of how you will injure your shoulders. Research in England has determined that certain widths related to a person’s body size may increase your chance of becoming injured while performing the bench press. A closer look at the anatomical structure of the shoulder may help to explain why this is such a common occurrence.

The shoulder, unlike the hip joint which is a true ball and socket joint, is a semi and shallow ball and socket joint. This means the skeletal bones directly involved in the bench press motion are not mechanically secure. Unlike the hip, the integrity of the shoulder primarily relies on the muscles, ligaments and tendons to keep it intact and not the joint structures. Incidentally, in some literature the shoulder is not even considered a true joint. I consider the shoulder as a joint and as such will continue to refer to it as one.

One of the main primary structures within the shoulder is the glenohumeral joint. When bench pressing this part of the shoulder supports the weight and is subjected to the constant heavy loads of the active lifter.

While benching wide with the upper arms at or near perpendicular to the upper torso the shoulders are placed into external rotation. According to the research ‘ninety degrees of abduction combined with end of range external rotation has been defined as the “at risk position” that may increase the risk of shoulder injuries.’

Now comes the pay attention part of this article. These research findings have clearly shown that benching with a hand grip greater than or equal to ‘2’ bi-acromial widths-the distance between the acromion processes, i.e. shoulder width, is destructive to your shoulders. For the ease of conversation the bi-acromial width is basically measured at the ends of both of the collar bones.

In fact a grip width greater than 1.5 bi-acromial width increases the torque on the shoulder by 1.5 times when compared to that of a narrow grip less than 1.5 bi-acromial width.

For those of you who think that taking up a wide grip on the bar (100%-190% biacromial width) gives you additional pounds you are exactly right; it does. You may realize a slight gain of less than 5% total to your maximum with these extreme grip widths but over the long haul the cost to your shoulders may be prohibitive. At the outer ranges of width the recruitment and activation of your pectoralis major is nearly insignificant in comparison to the narrow and safer grip.

When using the narrower grip positions your triceps brachii are more involved thus making this an ideal triceps building exercise while at the same time saving your elbows from potential damage.

Summary: Constantly bench pressing with a wide grip on the bar is a prelude to an eventual shoulder injury. This is a classic case of risk versus benefit; is it worth your shoulder health to be able to bench a few more pounds?

NSCA Strength and Conditioning Journal October 2007. The affect of grip width on bench press performance and risk of injury by Green, C. M. and Comfort, P.

 

 

 

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