Lab 8

PHYSICAL ACTIVITY & HEALTH Lab 8 SPS3111

Physical Activity and Health Considerations

Focus Areas:

  • Dementia and Alzheimer’s Disease: Understanding their nature and impacts.

  • Mental Health and Wellness: Promoting practices that enhance mental well-being.

  • Healthy Aging: Emphasizing physical activity benefits that contribute to healthy aging.

  • Importance of managing symptoms such as stiffness, anxiety, and cognitive difficulties through tailored exercise routines.

  • Consideration of disabilities and adaptive therapeutic systems as methods to enhance mental wellness and engagement in physical activities.

Depression Overview

  • Clinical depression represents a severe and debilitating condition affecting individuals across various age groups and backgrounds.

Statistics:

  • Approximately 1 in 3 individuals will experience depressive disorders at some point in their lives.

  • 80% of individuals diagnosed with depression report significant functional impairments.

  • 27% struggle with difficulties in daily life and work due to their condition.

Gender Disparities:

  • Women are statistically more likely to attempt suicide, whereas men (as of 2015 data) are 75.6% more likely to succeed in their attempts.

  • Suicide ranks as the leading cause of death for Australians aged 15-44, with estimates of around 65,000 attempts occurring annually.

Cognition and Dementia

  • Cognition encompasses essential processes such as attention, memory, problem-solving abilities, and language understanding—all integral to functioning effectively in daily life.

  • Dementia is defined by a progressive decline in cognitive functions, adversely affecting memory, intellectual faculties, language comprehension, and emotional skills.

Alzheimer’s Disease

  • Definition: Alzheimer’s disease is an irreversible, progressive brain disorder characterized by the destruction of memory and cognitive abilities, accounting for 60-80% of all dementia cases.

Exercise Guidelines for Older Adults

  • During exercises, adequate support is crucial as older adults may forget instructions or struggle to follow them precisely.

Exercise Focus:

  • Aim to improve cardiovascular fitness, strength, and balance as preventive measures against chronic diseases while simultaneously seeking to enhance overall quality of life.

Pre-Test Recommendations

  • Prior to testing, administer assessments to verify balance, gait, mobility, and muscle strength to ensure safety throughout functional evaluations.

Clinical Balance Tests can include:

  • Functional Reach Test

  • Berg Balance Scale

  • Gait and Balance Scale

Concerns for the Elderly

Main Concerns:

  1. Sarcopenia: Represents the age-related decline in muscle strength and mass, requiring intervention through physical activity.

  2. Osteoporosis: Often termed the “silent disease,” which can lead to significant increases in fracture risks, particularly in the hips, spine, and wrist regions.

Fracture Statistics:

  • Reports indicate a 40% risk of fractures for Caucasian women; potential high mortality risk exists within a year following a hip fracture event.

Screening Before Exercise

  • Medical professionals should conduct comprehensive screenings of older adults to identify potential contraindications before initiating exercise, particularly for the following conditions:

  • Recent ECG changes or history of myocardial infarction (MI).

  • Presence of uncontrolled arrhythmias or unstable angina.

  • Severe heart failure conditions and other specific health complications.

Warning Signs During Exercise

  • Key signs to monitor include:

  • Faintness, persistent headaches, visual disturbances, shortness of breath, tremors, or any acute pain sensation presented during activity.

  • It is paramount to ensure a safe and monitored environment for older adults throughout their participation in physical activities.

Quality of Life and Exercise Benefits

Objectives:

  • Aim to enhance overall quality of life while promoting functional fitness benefits.

  • Work towards reducing risks of falls and fractures, which leads to various social, economic, and community benefits.

Cardio Fitness Recommendations

  • Improvement in VO2max is contingent on training intensity; low-intensity training yields minimal changes.

Recommendations from ACSM:

  • Engage in exercise with an intensity of 55/65-90% of HRmax; with a duration of 20-60 minutes on 3-5 days/week.

Activities:

  • Recommended activities include walking, swimming, cycling, and participating in group activities to enhance adherence to exercise routines.

Strength Training Guidelines

  • Notable strength improvements (2-3 fold) can be observed within a 3-4 months timeframe when proper resistance training techniques are utilized.

Recommendations:

  • Initiate with low resistance, progressively transition to 2-4 sets of 10-15 repetitions, focusing on controlled movements and allowing adequate recovery time of at least 48 hours between sessions.

Flexibility and Balance Training

  • Integrate static stretching (lasting 10-30 seconds per stretch) and emphasize balance exercises at least twice weekly while using supports as necessary.

  • Encourage slow, deliberate movements to improve safety and effectiveness during routines.

Measuring Aging-Related Changes

  • Physiological changes associated with aging encompass variations in heart rate, oxygen uptake, flexibility, muscle strength, and body composition which can all influence exercise capabilities.

Risk Assessment Tools

Berg Balance Score Interpretation:

  • 41-56 = Low fall risk

  • 21-40 = Medium fall risk

  • 0-20 = High fall risk

Short Physical Performance Battery:

  • Performance scores correlate significantly with predictions of future disability risks, adjusted for age, sex, and chronic conditions.