Term
age-related changes due to the passage of time
–
free of pathological conditions |
|
Definition
|
|
Term
associated with age-related pathological conditions
–
many of these changes are due to disuse / misuse |
|
Definition
|
|
Term
inactivity accelerates loss of physiological capacity
–
bedrest can produce 3% to 5% strength loss per day and 1% bone loss per day |
|
Definition
|
|
Term
| Age related structural and functional changes |
|
Definition
loss of fat free mass and body water
decrease height, homeostatic ability, CV Neuro and muscuoskeltal chances. |
|
|
Term
| changes in connective tissues |
|
Definition
| tissues repair and GAG replacement decreases, decrased water and mechanical resiliance, decrased shock absorbance tensile strength and lubrication |
|
|
Term
| decrased height due to.... |
|
Definition
| lost water, muscle mass, lost bone, and postural changes |
|
|
Term
| posture differences in elderly |
|
Definition
| increased thoracic kyphosis, decreased lumbar lordosis, post pelvic tilt, forward head, rounded shoulders, flexed hip and knees, tight hamstrings gastroc and soleus. |
|
|
Term
|
Definition
|
|
Term
| causes of decrease metabolism |
|
Definition
| endocrine changes, decreased activity, CV changes, sarcopenia (most important) |
|
|
Term
|
Definition
| decreased Cardica output, stroke volume, max HR, max O2 consumption |
|
|
Term
|
Definition
| reduced exercise capacity, increased O2 capacity |
|
|
Term
|
Definition
| reaction time decrease, brain cell loss increases,preception of vibration, pressure environment decreases, rate at which muscle produced magnitude of force decreases, decreased orientation and ability to follow commands |
|
|
Term
|
Definition
| narrowing of joint space, increased bone on bone, decreased bone formation, increased bone reabsorption, decreased muscle strength |
|
|
Term
|
Definition
| decreases in mass, tendon size, tendon elasticity, and ATP activity. decreased motor units, type 2 lost more |
|
|
Term
|
Definition
| Joint ROM decrease with age even if it is absent of pathology, cellular changes occur in connective tissue. articular cartilage breaks down with water loss and weight bearing |
|
|
Term
| peak bone mass occurs by age ___ |
|
Definition
|
|
Term
| group at the greatest risk for bone loss |
|
Definition
| slim, white, postmenopausal females |
|
|
Term
| definition of low bone density |
|
Definition
| 1gm/cm2 (fracture threshold) |
|
|
Term
| factor that has the most profound effect on bone density |
|
Definition
|
|
Term
| Acute consequences of immobility |
|
Definition
| joint contracture, decreased indurance, muscle weakness/atrophy, bone loss |
|
|
