HUMAN NUTRITION

NUTRITION

NUTRITION ENERGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which energy system (s) are predominant during a 5 second period of intensive exercise?I. ATP-CP systemII. Lactic Acid SystemIII. Aerobic system
A
I only
B
II only
C
III only
D
II and III only
Explanation: 

Detailed explanation-1: -The Phosphagen Energy System This immediate energy system is also called the ATP-CP system. This energy source is available for use instantaneously and is important for the first few seconds of an activity, as well as for short, but intense bouts of physical exercise.

Detailed explanation-2: -The phosphagen system– This system provides ATP primarily for short-term, high-intensity activities such as sprinting and resistance training. This energy system relies on hydrolysis of ATP (when the energy is released) and the breakdown of another high-energy phosphate called Creatine phosphate or phosphocreatine.

Detailed explanation-3: -ATP–CP System: Short and Intense Also known as the phosphagen system, it consists of ATP that is already stored in muscle and creatine phosphate (CP), which rapidly replenishes ATP. This system requires no oxygen for energy production, making it anaerobic in nature.

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