Stair Climbs Laterals. SStability
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What is the purpose of this exercise?
To improve the ability to stabilize and control the shoulder joint in a closed chain environment. The shoulder is ball and socket joint with the ball being the humerus (big upper arm bone) and socket being the shoulder blade.
In order to prevent the arm from collapsing underneath the body weight the individual performing the exercise is forced to stabilize and prevent the shoulder blade from moving excessively or flaring off the ribcage, and, to a lesser extent, the ball from moving excessively on the socket.
Why would you utilize it?
To address shoulder instability – which can be a result of poor scapular (shoulder blade) control or more commonly a result of excessive, poorly controlled movement of the head of the humerus as it moves on the socket. This control is improved here primarily by teaching the body to better utilize he rotator cuff and shoulder blade muscles to keep things stable.
From a performance standpoint: Ensuring we have a stable, well controlled shoulder joint is important for the acceptance and generation of force through the arms. This means for many athletes/athletic tasks (weightlifting, pitching, gymnasts, wrestling, etc.) we will improve our ability to maximize those things if we address any noted shoulder instability. With that said it will be a balancing act for certain flexibility dominant athletes (like gymnasts.)
In particular, closed chain exercises like this will be most applicable to athletes who work in a closed chain environment where their hands are on the ground or other firm surface (wrestlers, gymnasts, cheerleaders, etc.)
From a pain perspective: Marked shoulder instability is a fairly common contributor to shoulder pain – especially in young females or athletes like gymnasts, swimmers, cheerleaders, baseball players. In many of those cases improving shoulder stability will help improve the pain.
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