Kinesiology 2222A/B Lecture Notes - Lecture 16: Clavicle, Axillary Nerve, Ulna
11 Apr 2019
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Direction of fibers: downward and to the front (placing hands in front pockets) Direction of fibers downward and to the back (placing hands in back pockets. Each of these layers are involved in different functions, collectively they are involved in breathin. External: inspiring binging the ribs up and out. Internal: expiration bring the ribs down and in. Very important during stressed or heavy breathing, increased ventilation athing. Very important during stressed or heavy breathing, increased ventilation. Any muscle that attaches to the rub is also involved in breathing. At certain states of forces ventilation or heavy ventilation we"re going to call upon as man assist ventilation. Not during rest, only when it"s forced labor intensive. Attachment of the belly is all around the periphery at he lower end of the rib cage. Proceeds to the central tendon from these attachments. If damaged above c3 -> can"t breath on your own. If between c3-c5 damaged -> can breath only partially.
