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Head Evaluation and Vocab. Sports Med 2. Head Vocabulary. Alert: awake and responds immediately and appropriately Confused: impaired memory, disorientation and confusion Lethargic: drowsy yet easily aroused, oriented to person, place and time
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Head Evaluation and Vocab Sports Med 2
Head Vocabulary • Alert: awake and responds immediately and appropriately • Confused: impaired memory, disorientation and confusion • Lethargic: drowsy yet easily aroused, oriented to person, place and time • Stuporous: asleep most of the time, difficult to arouse, responds inappropriately • Semicomatose: no response to verbal stimuli, some response to painful stimuli • Comatose: no response
Anterograde amnesia: length of time from injury until conscious memory returns • Retrograde amnesia: loss of memory of events that occurred before the injury • Immediate recall: can recite 4-5 words or numbers right after you say them • Tinnitus: ringing in the ears • Romberg’s Test: testing for intracranial damage
Head Evaluation • Scalp • Mobility • Highly vascular • 5 layers
Skull (2-6 mm) • 2 sections: cranium and face • Cranium consists of large flat bones • one frontal • one occipital • two sphenoid • two parietal • two temporal • Landmarks • External occipital protuberance (bump of knowledge) • Mastoid process
Brain (3lbs) • Brainstem: medulla (heart, lungs motor), pons and midbrain (reflexes) • Cerebellum (small) • Motor function, balance, posture • Cerebrum (largest): • voluntary movements • sensory • motor functions • Consciousness depends on excitation of the cerebral cortex
Meninges: layers of tissue that surround and protect the brain and spinal cord • Dura mater: dense, inelastic, outermost matter • Arachnoid membrane: thin, delicate membrane. Attached to the spinal cord by small tissue strands • Subarachnoid space: in between the arachnoid and the pia mater. Helps contain the spinal fluid • Pia mater: innermost layer • Cerebrospinalfluid: between arachnoid and pia mater (subarachnoid space) • Suspends brain • Cushions it from shock.
Cranial Nerves • olfactory : smell • optic: vision • occulomotor: eye movement • trochlear: eye movement • trigeminal: head and face sensation • abducens: lateral eye movement • facial: taste, facial movements • acoustic: hearing and equilibrium • glosspharyngeal : taste • Vagus: taste • Spinal accessory: movement of head and shoulders • Hypoglossal: movement of the tongue • * On Old Olympus Towering Tops, A Finn And Greek Viewed Some Hops