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The muscle metabolic system in exercise 1- The phosphate system:

The muscle metabolic system in exercise 1- The phosphate system: Adenosine triphosphate (A.T.P) ( Adenosine PO 3 ~ PO 3 ~ PO 3 -) Each mol.. 7300 calories. (for 3 seconds). Creatin phosphate ( creatin ~ Po 3 ) each bond 10.300 calories

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The muscle metabolic system in exercise 1- The phosphate system:

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  1. The muscle metabolic system in exercise 1- The phosphate system: Adenosine triphosphate (A.T.P) (Adenosine PO3 ~ PO3 ~ PO3-) Each mol.. 7300 calories. (for 3 seconds)

  2. Creatin phosphate (creatin~ Po3) each bond 10.300 calories ( 8-10 seconds)

  3. 2- The glycogen–Lactic acid sys. glycolysis • Glucose E+ pyruvic acid. +02 energy used for resynthesize of 4 A.T.P molecules In absence of 02 - 02 • Pyruvic acid lactic acid (1.3 – 1.6 minutes).

  4. +O2CO2+H2O+energy 3- The aerobic system. In presence enough amount of O2 Glucose Fatty acids Amino acids

  5. The three important metabolic systems that supply energy for exercising muscle

  6. Duration for each metabolic system

  7. Energy system used in various sports.

  8. Recovery after exercise: • Recovery is the time pass between the end of exercise and return back to the resting parameters. O2 O2 • Lactic acid pyruvic acid E+CO2+H2O • Energy from the aerobic system used for reconstitute of A.T.P, cr~ p also glycogen in lactic acid system.

  9. O2 debt • It is the O2 which was not supplied during the exercise and supplied during recovery. • Used for oxidation of accumulated lactic acid and resynthesize A.T.P and C.P. • It’s value is the difference between the of O2 consumed during recovery period and the amount of O2 consumed during a similar period of rest.

  10. The steady state (second wind) • On starting exercise athletes suffer from dyspnea and discomfort. • Dyspnea disappears after some time due to increase respiratory and circulatory functions to proved sufficient O2. (steady state or second wind)

  11. Relation between exercise and:a. Work loads. b. O2 uptake. c. Blood lactate.

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