9/28/2023 0 Comments Crossover symmetry baseballSo what muscles make that happen? The rotator cuff is a group of four muscles largely responsible for shoulder functionality and stability. Ok so we got that your scapula needs to have some good mojo and move around like a ninja. The scapula is what allows, or disallows, proper wall ball throwing so if the scapula is not performing correctly some other poor unsuspecting body part is going to have to pick up the slack and thus making us injury prone. The greater the angle, the greater the pinch. This pinching is otherwise known as internal impingement. Because of this angling, the rotator cuff (a group of four muscles explained below) can become pinched between the humeral head (head of your arm bone) and the back side of the shoulder joint. The misalignment of the shoulder blade causes the shoulder joint to become hyperangulated, which is just a fancy way of saying it puts your shoulder in a totally crappy angle. thrusters, baseball, wall balls) and overhead positioning (think muscle-ups, overhead squats, also swimming). If the scapular muscles are weak, the scapula can become increasingly internally rotated especially when combined with sports that include throwing (e.g. Scapular Dyskinesis (or scapular winging) is, in its simplest description, abnormal movement of your scapula (shoulder blade). SCAPULAR DYSKINESIS and your ROTATOR CUFF Many, if not hopefully most, of you are at least somewhat familiar with the Crossover Symmetry System but I wanted to run down why it is important and exactly what it is working/doing. One of the strongest suggestions the doc had for me was to make sure I was all over the Crossover Symmetry everyday I was at the gym. Don't worry, this sounds much scarier then it is and in fact happens to many people, totally common. I went to the doctor's office last week (shout out to Khem!) and discovered that I've got some not so sweet scapular dyskinesis aka scapular winging going on. Anyway, totally off topic but while I was singing "Kriss Kross will make you jump jump!" on the bus today it made me think of all the Crossover Symmetry I have taken up due to a recent shoulder injury. Let's be honest the 90's were soooo cool. I totally had a poster of Kriss Kross, in their backward overalls, hanging on the ceiling over my bed when I was wee girl of 10yrs old.
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