Physiological Adaptations in Response to Aerobic Training

From Biki

Contents 1 Physiological Adaptations in Response to Aerobic Training 1.1 Resting Heart Rate 1.2 Stroke Volume 1.3 Cardiac Output 1.4 Oxygen Uptake(VO2) 1.5 Lung Capacity 1.6 Haemoglobin Levels 1.7 Blood Pressure

Physiological Adaptations in Response to Aerobic Training

Resting Heart Rate

• Trained athlete: lower resting heart rate, stable maximal heart rate and faster recovery
• A 10 week training program could see a reduction from 72>60

Stroke Volume

• Long term endurance training sees a substantial increase because the rained left ventricle fills more quickly in the relaxation stage
• Training results in more blood being in circulation

Cardiac Output

• Increases due to increased stroke volume (a difference of 15-20L/min >>> 20-25L/min)

Oxygen Uptake(VO2)

• The best indicator of cardiorespiratory endurance, measure the max amount of oxygen muscles can absorb
• Estimated by: 12-minute run, beep test
• Training increases VO2 max

Lung Capacity

• Definition: the amount of air the lungs can hold
• Vital capacity (amount of air expelled after maximum inspiration) increases slightly post exercise
• Tidal volume (amount of air breathed in and out during normal inspiration) is stable at resting + sub maximal, increases at maximal

Haemoglobin Levels

• Haemoglobin: bonds to O2 and transports it around the body
• Levels increase with training (esp at high altitudes) as there is more plasma and red blood cells

Blood Pressure

• Definition: the pressure that the blood exerts against the inner walls of the arteries
• Training slightly decreases blood pressure

---

This page is a stub and is incomplete.

Why not add to it? Don't be intimidated - we welcome all contributions!