Whilst most normal people are winding down from the week, or prepping for the coming week, I’m getting my geek on trying to explain why we’re doing what we’re doing in clinic for one of my clients.
It’s actually pretty relevant to lots of people, so I thought I’d post the factual stuff on here in case you wanted to get your geek on to 👨🏻🎓🕺🏻
Clinical situation: shoulder dysfunction caused by a simultaneously overactive and under active serratus anterior (different fibres).
Proper function of both diaphragms (respiratory and pelvic) together with correct activation of the entire abdominal musculature create core stability from the inside out through increased intra-abdominal pressure.
The stability of the trunk achieved by appropriate core activation acts as a central anchor point connecting the forces between upper and lower body and minimizes the loss of energy transfer, be that for strength and / or power. 🏋🏻♂️🤾🏻♂️
The power transfer from the core to the arm is facilitated primarily via the serratus anterior muscles, which attach to the ribs (1-8 if you’re interested 😉) and anterior surface of the medial scapular boarder.
Without stabilised anchor points the force generated by the increased intra abdominal pressure is lost in the middle. Lack of core stability, combined with heavy load and / or complex movement patterns places additional stress on your muscles as they need to both stabilise and mobilise you at the same time. This can cause dysfunction (pain etc) and often results in sub optimal compensation patterns being formed.
This method of force transfer is used throughout the body, and is part of why I focus so much of my / our time on correct breathing mechanics and intrinsic / extrinsic core stability. 🧠💪🏻
In the image attached not only can you see the serratus, but on the model, the beautiful interlacing of the serratus and obliques.
Is that not amazing engineering ❤️
Image credit unknown
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