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.

Human Biomechanics: Principles of Human Movement Physics
What Is an Oxygen Debt and How Is It Repaid?Biology
The Length-Tension Relationship: How It Determines Muscle Force Bones & Muscles
What Is Excitation-Contraction Coupling?Biology
What Is Horizontal Adduction? Definition & Muscles Bones & Muscles
How Does the Muscular System Interact With Other Systems?Bones & Muscles
Myofibrils: Structure, Function, and Muscle Contraction Biology
What Is the Function of the Mucociliary Escalator?Heart & Lungs
What Are the 7 Steps of Muscle Contraction?Bones & Muscles
What Is Pronation Movement? Definition and Mechanics Bones & Muscles
What Is Contractile Muscle and How Does It Work?Bones & Muscles
What Is the Act of Chewing? The Science of Mastication Gut & Kidney
What Muscles Are Responsible for Grip Strength?Bones & Muscles
What Is a Sarcolemma and What Does It Do?Biology
What Is Functional Anatomy? A Movement-Based Approach Biology
What Is Flaccid? Understanding Muscle Tone and Flaccidity Bones & Muscles
How Is Muscle Built: Inside the Biology of Growth Biology
Muscle Anatomy: Structure, Types, and Function Bones & Muscles
How Does a Chicken Wing Work? Anatomy and Function Bones & Muscles
What Are the Deep Neck Flexors and Why Are They Important?Bones & Muscles
How Far Should Skin Stretch Before It Gets Damaged?Skin & Hair
What Are Lats Muscles? Anatomy, Function, and Exercises Bones & Muscles
The Gas Exchange Model and How It Works Biology
What Is a Myofibril and How Does It Work?Bones & Muscles
Sliding Filament Theory of Muscle Contraction Bones & Muscles
Sarcolemma vs. Sarcoplasmic Reticulum: Key Differences Biology
How Is Carbon Dioxide Removed From the Body?Heart & Lungs
Why Do Skeletal Muscles Have So Many Nuclei?Biology
What Is the Multifidus Muscle and Why Is It Important?Bones & Muscles
What Are Muscle Cells and How Do They Work?Biology