Lactic Acid

Definition

Lactic acid is a substance produced in the muscles during intense exercise, often associated with the burning sensation you feel when working out hard.

Scientific / Technical Definition

Lactic acid, or lactate, is an organic compound formed in muscle tissue during anaerobic metabolism, a process that occurs when oxygen levels are low and glycolysis is used for energy. It is commonly measured to assess the intensity of physical exertion and the onset of muscle fatigue.

Benefits

• Acts as a temporary energy source during high-intensity exercise.
• Can help improve endurance by training muscles to handle lactic acid buildup.
• Stimulates muscle growth and strength as the body adapts to buffer lactic acid.

Examples

• Production during a sprinting race.
• Accumulation during high-intensity weightlifting or circuit training.

Additional Information

• effects: Lactic acid buildup in muscles can lead to temporary muscle fatigue and soreness, signaling the body to slow down and allow for recovery and repair.

Related Terms

• Anaerobic Exercise
• Muscle Fatigue
• Glycolysis
• Aerobic Capacity

References

• Lactic Acid and Exercise
• The Role of Lactic Acid in Muscle Performance
• Understanding Lactic Acid