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5 Cards in this Set
- Front
- Back
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Osteoarthritis- aka
wear and tear arthritis Degenerative arthritis |
Incidence of OA
>20 million americans by 2030 will have OA |
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Etiology of OA-
ageing mechanical wear n tear obesity genetic hormonal influence |
OA - pathophysiology
Imbalance between Extracellular matrix breakdown and its repair mechanism. Idiopathic degeneration of articular cartilage |
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Pathophysiology of OA
subchondral bone remodelling Increased osteoid deposition{sclerosis) abnormal /low mineralization (osteopenia) |
primary lesion is articular cartilage destruction leading to inflammation of synovial membrane/periarticular structures
changes in subchondral bone matrix |
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Articular cartilage anatomy
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avascular
alymphatic aneural |
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What are the attachments of sternocleidomastoid? Actions?
Innervation? |
mastoid process of the temporal bone and the superior nuchal line of the occipital
Acting bilaterally, SCM flexes the neck. Acting unilaterally, it laterally flexes and rotates the head and neck (brings the ear towards the shoulder of the same side and turns the chin to the opposite side and superiorly) spinal accessory nerve (CN XI) and sensory innervation from C2 and C3 nerves |
