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Common Sites for stress fractures
tibia, fibula, metatarsal shaft, calcaneous, femur, vertebrae, ribs, and humerous
Parts that all synovial joints have in common
2 or more bones that articulate w/ one another, a joint capsule, well supplied w/nerves, lines w/ synovial membrane
4 progressively severe stress fractures
focal microfractures, periosteal or endosteal response, linear fractures, displaced fractures
an injury to the bone in the area where a tendon or ligament attaches to the skeleton
found at the ends of bones to prevent bones from rubbing against each other and form a cushioning
membrane that lines the outer surface of all bones, bone sheath. contains blood vessels and osteoblasts
internal force in any material, which is usually caused by any external force acting tangent to the material, or a force which has a component acting tangent to the material
property of a material which is viscous but which also exhibits certain elastic properties such as the ability to store energy of deformation and in which the application of a stress give rise to a stain that approaches its equilibrium slowly
point where muscle cannot resist the stress anymore and there will be a change (where elasticity is almost exceeded
painful, involuntary skeletal muscle contraction occurs when muscle is in a shortened position
overexertion in strenuous exercise resulting in muscular pain, usually occurs in activities that a person is not used to
gradual onset with diffuse tenderness due to repeated microtrauma and degenerative changes
face guard to the helmet
3 in space between the top of the face guard and the lower edge of the helmet
purposes of a properly fitted mouth guard
protects the teeth, absorbs shock of chin blows, helps prevent possible cerebral concussions
disadvantages of contact lenses
corneal irritation, peripheral vision is impaired, can be uncomfortable
4 things done when reporting an exposure
have a medical evaluation that includes documentation of exposure route, identification of the source individual, blood test and counseling, evaluation of the reported illness
Ability of a tissue to resist a load
Greater stiffness = greater magnitude load can resist
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