FOUNDATIONAL TERM
Stroke volume
每搏输出量
Blood ejected by one ventricle with each beat.
Study this concept in context
44 · Understanding and improving aerobic fitness
Aerobic fitness is not captured by lung volume or heart rate alone. It involves sustained oxygen delivery and use during activity. This lesson separates immediate responses from training adaptations and develops sensible ways to assess progress.
Sources
- OpenStax Anatomy and Physiology 2e: Cardiac Physiology
- Farrell and Turgeon: Adaptations to Aerobic Exercise
- OpenStax Anatomy and Physiology 2e: Exercise and Muscle Performance
- CDC: Measuring Physical Activity Intensity
- WHO Europe: Physical Activity Recommendations
- Green and Naylor, ACSM: Cardiac Adaptation to Training
Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.