What physiotherapists, chiropractors, and other health care professionals may be missing with rotator cuff injuries. The rotator cuff acts concentrically and eccentrically to produce internal and external rotational torques during the overhead-throwing motion. It has been reported that during the overhead- throwing motion, strong eccentric force production by the shoulder external rotators plays a vital role in the prevention of shoulder injuries caused by excessive glenohumeral translation. The majority of upper extremity treatment and training programs questionably emphasize concentric internal rotator strength as a primary outcome measure yet the shoulder external rotator musculature is functionally responsible for eccentric deceleration of
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Sit-ups and back pain are they synonymous? If you go into virtually any gym, you will see people performing traditional sit-ups. They are sweating and straining and thinking they will have strong abdominals and less back pain. Instead of preventing back pain, many of these motivated exercisers will be increasing their low back pain. The movement of a traditional sit up is mainly trunk flexion. Repeated trunk flexion is one of the main mechanisms of injury for lumbar disc herniations. So, many of these people devoted to the sit up will be setting themselves up for low back pain. However, when
Read more →The Journal of Bodywork & Movement Therapies recently published an article by Eyal Lederman: The Myth of Core Stability. Mark Young made mention of it late last year so I figured I’d check it out myself. The following information is a summary of Lederman’s conclusions. But first and foremost… DON’T SHOOT THE MESSENGER! ASSUMPTIONS ABOUT STABILITY AND THE ROLE OF CORE MUSCULATURE Despite the role of the core musculature in creating spinal stability… Alterations and damage to the abdominal musculature (i.e. pregnancy, post-partum, post-surgery, etc) does not seem to directly influence low back stability and/or pain. Despite the exponential number
Read more →We have had a major breakthrough with Alisha Tatham. She came into today’s training feeling recovered after a day-off on Tuesday. Today’s session began by testing her vertical jump and her single leg vertical after a thorough warm-up. Her warm-up can be seen below. Her scores were a modest 17.0, 13.8 and 6.1 for her counter movement jump, left and right legs (ACL repaired) knees respectively. These results are way off her best, when she jumped 30 inches October 2008. [/youtube]We have had a major breakthrough with Alisha Tatham. She came into today’s training feeling recovered after a day-off on
Read more →What if testing athleticism and fitness was useless? In this article we will explore how traditional testing misses key elements that can help protect against injury and dramatically improve performance. I should start by saying that testing is the first step of any program and of course it’s not useless. I just wanted to spark some interest and to show how we must rethink the way we evaluate our athletes. Common testing protocols in the NFL, NHL, NBA and many amateur sport organizations do an excellent job at selecting tests to measure key athletic / fitness attributes – see Table
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