Unit 7 lec bio

Fitness trackers have personalized the exercise experience by enabling users to monitor various aspects of their health.

Understand the purpose of wearable fitness trackers.
Learn the physiological data collected by fitness trackers and its relevance to personal health.
Explore the relationship between cells, tissues, organ systems, and body structure.
Analyze how various organ systems help maintain homeostasis in the body.
Discuss the impact of sleep on physiology and overall health.
Examine the link between fitness and the muscular and skeletal strength.
Consider future advancements in health-monitoring technology.

Originates from the 18th century with mechanical pedometers.
Evolved with electronic devices in the 1990s, initially just counting steps.
Have been used by athletes and doctors for detailed physiological data collection.

Internal and external sensors produce comprehensive fitness data.
PurePulse Sensors: Use photoplethysmography to monitor heart rate by measuring blood flow through capillaries.
SmartTrack Sensors: Utilize accelerometers to detect motion and categorize exercise types.
Barometers: Monitor altitude by measuring barometric pressure, useful for activities like climbing.
SpO2 Sensors: Measure blood oxygen saturation using red and infrared sensors.
Skin Temperature Sensors: Track skin temperature changes during sleep.

PurePulse sensor collects heart rate data, presented as beats per minute (bpm).
Types of Heart Rate Data Collected:
- Resting/Sleeping Heart Rates: Indicator of overall heart health.
- Cardio Fitness Level: Reflects cardiovascular efficiency, age, and sex-based assessment.
- Heart Rate Zones: Useful for aligning exercise intensity with personal fitness goals.

Detected using three-axis accelerometers, measuring forward, lateral, and vertical movements to evaluate physical activity levels.

Breakdown into light, deep, and REM sleep stages, analyzed to generate sleep scores based on duration, quality, and restoration metrics.

Calories: Calculated based on physical data and BMR, trackers do not measure caloric intake directly.
Water Intake: Fitness trackers can also record daily water consumption, important for overall health.

Maintaining a lower resting heart rate generally promotes cardiovascular health.
Suggested heart rate ranges for exercise intensity based on age, enhancing fitness and endurance.

Walking is highlighted as an effective physical activity for health and achievable goals.

Sleep deprivation associated with serious health risks such as Type 2 diabetes and heart disease.
CDC-recommended sleep durations vary by age group, with adults needing at least 7 hours.

Balance of calorie intake and hydration critical for health, with excess food and water deficiencies being detrimental.

Energy Utilization: Different energy pathways (aerobic vs. anaerobic) affect muscle performance during exercise.
Muscle Fiber Types: Fast-twitch fibers (anaerobic) for strength vs slow-twitch fibers (aerobic) for endurance.

Advances in technology aim to improve health monitoring and predictive analysis, promoting proactive health management through data collection.
Concepts like the Internet of Things will enhance the interaction between fitness trackers and healthcare providers, emphasizing preventative medicine.

Fitness trackers collect extensive physiological data, helping individuals manage their health proactively.
Understanding the data leads to better fitness and health outcomes, influencing areas such as heart rate, sleep quality, physical activity, and nutrition.
The evolution of fitness technology promises more precise health monitoring and personalized healthcare solutions.