Author

Adriana Valenzuela

At a commercial fitness center in Lahaina, Hawaii, Adriana Valenzuela, NASM-CPT, NSCA-CSCS, trains clients with an emphasis on functional anatomy. After monitoring gym floors during college kinesiology studies, Valenzuela developed a routine of explaining muscle actions to clients mid-workout, balancing coaching with winter trips Nordic skiing on groomed forest trails.

What Is the Function of the Mucociliary Escalator?
How Is Carbon Dioxide Removed From the Body?
Cardiac Muscle: Function, Structure, and Health
How Is the Heart Different From Other Muscles?
Why Are the Walls of the Left Ventricle Thicker Than the Right?
What Are the Accessory Muscles of Respiration?
What Are Pectinate Muscles and Where Are They Found?
Why Can You Hold Your Breath Longer After Hyperventilation?
How Can Free Divers Hold Their Breath for So Long?
Why Is the Wall of the Left Ventricle Thicker?
Why Does Exercise Increase Venous Return?
Why Is the Phrase “Breathe From the Diaphragm” Inaccurate?
How a Diaphragm Works: The Mechanics of Breathing
Where Is the Point of Maximal Impulse?
Why Are the Rings of Cartilage Surrounding the Trachea C-Shaped?
Is Expiration an Active or Passive Process?
How the Diaphragm Works to Control Your Breathing
Why Does the Left Ventricle Have Thicker Walls?
Why Is the Heart Not Prone to Fatigue?
How Does Carbon Dioxide Affect Breathing Rate?
How Thick Is the Diaphragm? Factors & Significance
What Is the Main Factor in Determining Your Rate of Breathing?
What Is Inspiratory Reserve Volume and Why Does It Matter?
Why Do Ventricles Have Thicker Walls?
Why Do Lungs Expand With the Thoracic Cage During Inspiration?
Why Is the Left Ventricle Larger Than the Right?
What Is the Chest Wall? Components and Key Functions
Is Most of Your Breathing Voluntary or Involuntary?
Does the Size of the Breath Affect the Dive Response?
Human Gas Exchange: Mechanisms and Influencing Factors