what are four aging theories
what are the three categories of damage theories
individual mechanisms
general formulations
stress-induced premature senescence
what is the aging process
proves occurring with the passage of time, leading to loss of adaptability or full function, and eventually to death
what are the two types of aging
pathogeric
eugeric
what is pathogeric aging
pathological aging
not a predestined part of aging
what is eugeric aging
‘true’ aging
age related changes that will happen to everyone, inevitable
what are the three aging loss of functional capacity
all the cells, organs and systems of the human body ____ at different rates and differently in each person
age
physiological and biomechanical changes due to aging
eugeric aging
what type of aging is arthritis
eugeric
what is arthritis [3]
what is the onset of osteoporosis
what three parts of the neuron decrease nerve conduction velocity due to loss of
myelin
dendrites
neurotransmitters
what are the two acuity of senses that decrease with age
vision
hearing
what does aging affect in vision
- presbyopia: ability to see/accommodate nearby images clearly
what does aging affect in hearing
what is glaucoma
increase in the internal pressure of the eye
what is presbyopia
ability to see/accommodate nearby images clearly
what is presbycusis
loss of hearing sensitivity due to degeneration of middle [ear drum] and inner ear
aging muscle, what change with age?
morphology of the muscle
overall functional strength
what is morphology of the muscle
cross sectional area
number of fibers
fiber type
what are the two types of skeletal muscle fibres
fast twitch [type 2]
slow twitch [type 1]
anaerobic exercises use ____ twitch fibres
fast
aerobic exercises use ____ twitch fibers
slow