Monday, February 20, 2006

Speed Training: Arm Action

The arms play a significant, yet overlooked, role in sprinting and speed development. Without specifically and regularly addressing proper arm mechanics within your speed training program, full speed potential will not be realized. Today we will address this issue so that we can continue to make improvements on the athletic field.


The role of the arms is to stabilize the torso so that power can continue to be efficiently transferred through the hips. It is this ability to transfer power effectively through the center of mass that not only improves rate of acceleration, but also facilitates reaching maximum velocity, maintaining those top speeds and reducing the rate of deceleration.


So, as you can see, the arms both directly and indirectly influence the ability to run fast.


Now let's get into the specifics of improving our arm action.

When running, it's very important to keep your hands relaxed. Think about holding a potato chip in each hand. No matter how hard you run, no matter how tired you get, you can't clench your hands so that the potato chip breaks. This is a good way of thinking about how loose your hands should be at all times when running. When you start to clench your fists tightly, that tightness spreads like through your forearms, biceps, shoulders, neck and face. Once you tighten up and lose range of motion in your arms, it reduces stride length, which is difficult to get back without burning a lot of energy.


While sprinting, it is important to get a full range of motion with the arms. Remember, speed is a product of stride length and stride frequency. Stride length and frequency are determined, in part, by the motion of the arms. If you are lazy or passive with your arm action, you are limiting your potential for speed.


Your front arm angle should be between 60-90 degrees at the elbow and your back arm should be between 90-120 degrees, also at the elbow. If your arm angles fall outside of this range, your running mechanics will be negatively affected. In short, you'll run slower and get tired faster. When running, arm swing should be initiated at and through the shoulders. You should think of your elbow as being locked in place.
Elbow angle should only change slightly, as a result of elastic response. Range of motion with the arms should generally be hip to cheek. That is, the hand clears the hip in the back and comes up to about cheek height in front. Much more than that, in either direction, will result in over striding which, as mentioned before, will cause breaking and can lead to strains, pulls and tears in the muscle.


When running, emphasis should be placed on driving the elbows down and back. When runners fire their arms straight back, without first driving them down, it often leads to bunched up shoulders, which causes tightness and limits range of motion. It is important to focus on driving the arms back as they are recovered elastically by the stretch of muscles in the shoulder. So, don't drive your arms up and forward because stretch reflex is going to bring them forward anyway.


Another aspect of arm action is to avoid lateral deviation beyond the saggital plane. What this means is that your arms, when they are brought in front of you, should never cross the midline of your body.


Your right arm should stay on the right half of your body and your left arm should stay on the left side.

When you move your arms laterally, across the midline of your body, you rotate your hips which basically burns much needed energy and makes you run slower and get tired faster, all for no reason other than laziness and lack of concentration. Remember, you compete like you practice, so if you don't correct technical issues in practice, you can't expect them to be fixed in competition.



SAMPLE EXERCISE
This drill can be practiced either in a group setting, or alone be standing in front of mirror.


Stand with the feet between hip and shoulder width apart. Bring your weight forward onto the balls of the feet. You should be far enough forward that your heels are slightly off the ground, but not so far forward that your toes curl to maintain balance. It is this slight, 2- 4 degree lean, that is ideal for simulating sprinting.


Start with one arm forward, 90 degrees at the elbow and one arm back, also 90 degrees at the elbow. Perform this drill following the guidelines presented in this article.



Arm action at 50% intensity
2 sets of 30 seconds
15 second rest between sets


Arm action at 80% intensity
2 sets of 20 seconds
20 seconds rest between sets


Arm action at 100% intensity
4-5 sets of 10 seconds
25-30 seconds rest between sets



To learn more about the latest training tips, programs, cutting edge strength and conditioning news, speed training and much more, visit: http://www.completespeedtraining.com

10 Comments:

At 3:35 PM, Blogger Señor Guitar said...

you have a typo at the very bottom where it says, "posted by: Athletes' Acceleraion, Inc." I don't know if you know this but, acceleration has a 't' in it. Just a heads up.

 
At 3:35 PM, Blogger Señor Guitar said...

This comment has been removed by a blog administrator.

 
At 5:24 PM, Anonymous Anonymous said...

forget about the pedantic T its great advice

 
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