Sports & Fitness: Performance Training, Rules & Recovery

Elite athletic performance and general fitness are sustained through structured hypertrophy strategies, sport-specific conditioning, and rigorous adherence to injury prevention protocols.

Young woman meditating at beach

Why Does My Heart Rate Drop When I Raise My Arms Up?

Your body responds to everything you do to it. For example, raising your arms may cause a noticeable drop in heart rate even in perfectly healthy individuals. A decrease in heart rate when raising your arms is a normal response to change in venous return. Normal cardiac physiology is responsible for this phenomenon.

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Doctor examining patient

Fast Heart Rate & Pain

When the body is injured, signals are sent from the site of damage to the spinal cord. As a central command center, the nervous system regulates the body’s response to the pain through a variety of reflexes.

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The Effects of Mouth Breathing While on Oxygen

Various lung and heart conditions require supplemental oxygen to prevent chronic hypoxemia, or low blood oxygen levels. If you are breathing through your mouth while receiving supplemental oxygen through a nasal tube, you are not receiving the full benefits of your oxygen therapy.

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