MUSCLE PHYSIOLOGY

PHYSIOLOGY

MUSCLE CONTRACTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which energy system do we use to fuel going on a day long hike through the woods?
A
Stored ATP
B
Direct Phosphorylation (ATP-PCr)
C
Anaerobic Glycolysis (Lactic Acid)
D
Oxidative (Aerobic) Respiration
Explanation: 

Detailed explanation-1: -Aerobic metabolism fuels most of the energy needed for long duration activity. It uses oxygen to convert macronutrients (carbohydrates, fats, and protein) to ATP.

Detailed explanation-2: -The Oxidative system– This system is the primary source of ATP at rest and during low-intensity activities. The body uses mainly carbohydrates and fats during this system. At rest you are mainly using fats compared to the carbohydrates until the intensity increases.

Detailed explanation-3: -Aerobic Energy System (Low Intensity – Long Duration – Endurance)

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