KINESIOL 3K03 Lecture Notes - Lecture 1: Occipital Bone, Tetherball, Pterion
2 Apr 2016
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Joints at the sutures: ability to shift for example blood. All but occipital join at pterion joint. Occipital bone is thickest on back and thinnest at the front: - 1 cm thick. Brain is about 3 pints of beer in volume. Meningeal layers: dura - tough, adheres to inner surface of skull, arachnoid spongy and web-like, piamater wraps brain tightly and in grooves to encase, features. Once broken, opportunity for bacteria to enter and invade. Csf: 150 ml in brain and spinal cord and subarachnoid space, 99% water, dynamic turnover, functions. Ability to cleanse the brain (immune function) Doesn"t press against spinal nerves and reduces weight: has to find its way out through nose, ears (small holes) Spinal cord anchors brain like a tetherball. No able to be seen on mri or ct because no ripping. Time frame: because short, often will not report, short lived, often will recover within 7 days, affects temporal, spatial skills, attention deficit.
