Text books will tell you that your latisimus dorsi adducts the arm. But if the Lats are soft and squished due to the position of the arm, tensing the Lats will cause abduction from about the 6 o'clock to 5 o'clock position.
I recently read an article in the journal of bodywork in which they reviewed the literature analysing forces across joints and felt the numbers didn't add up. They concluded that the fascia was transferring force across the whole body. Could this be the missing force they didn't account for?
Great question!
Since we just start measuring fascia stifness, with elastography, I thing measuring fascia resistance in movement is a dream!
There are some studyes regarding fascia force transfer, made by Huijing, but were made just at the microscopic level.
https://www.sciencedirect.com/science/article/abs/pii/S1050641107000375?casa_token=ZH376cNGRD8AAAAA:6p31q-C5K4ZG7Bcmad-BcFy-UocDTHlRA-dejFHLM-qwgTPwp9ggXpeNyPvYI5w8qNyvbsVyosY
However, the topic is very intresting.
Please, can you provide the article from Bodywork?
Got published. The answer and implications are here:
https://www.researchgate.net/publication/379923876_The_Role_of_Compressive_Force_in_the_Movement_of_the_Pectoralis_Major
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