Essay on Muscle Fatigue Lab

Submitted By nnslll
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Pages: 3
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Purpose

Design Lab: Muscle Fatigue What are the effects of anaerobic respiration on your muscles?

Background – You will need to complete research before you begin. Focus your background information on the vocabulary listed below.
During extensive and high-intensifying exercising and weight-lifting, oxygen sometimes may not reach the muscles during exercise. When this happens, your body uses anaerobic respiration to obtain energy for the muscles. The word “anaerobic” means “without oxygen.” Your body breaks down glucose and phosphates stored in the muscles of your body for energy. The way this is done is through glycolysis and another pathway. When these two combine, the process is known as Fermentation. Fermentation is a process that releases energy from food molecules by producing ATP energy in the place of oxygen. Fermentation does not require oxygen in order to produce the ATP energy, therefore this is known as anaerobic respiration. Anaerobic respiration is different from aerobic respiration because aerobic respiration requires oxygen in order to produce energy whereas anaerobic respiration does not. During Fermentation, the cells convert from NADH to NAD+. This is done by the passing of electrons back to pyruvic acid. This causes ATP energy to be produced. One of the main types of Fermentation is lactic acid Fermentation. This is produced in your muscles when your body can not supply enough oxygen such as bicycling and running. Your muscles start to produce ATP energy by lactic acid Fermentation to get rid of the muscle fatigue. When this happens, your muscles slightly get sore due to the rapidness of the making of the energy and due to the muscle fatigue.

Vocabulary
Aerobic Respiration- a form of cellular respiration that requires oxygen in order to generate energy
Glucose- sugar energy source
ATP- energy
Anaerobic Respiration- the production of energy without oxygen
Muscle Fatigue- temporary failure of muscle strength, power, and endurance. Lactic Acid- produced from anaerobic respiration, gives the muscles a burning sensation.
Refining Understanding

Aerobic Respiration
Anaerobic Respiration

Necessary
Requirements

Reactants

Advantages

Disadvantages

Hypothesis (Use IF / THEN / BECAUSE)

Materials clothespin, ipad (Notability App) and timer

Procedure – You will be designing this lab on your own. You will need to write your procedures in the form of
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