How does training affect performance?

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Across
  1. 5. in the absence of oxygen
  2. 6. ability of working muscles to use the oxygen being delivered
  3. 8. refers to wasting or a decrease in size
  4. 9. ability of a muscle or muscle group to exert a force against a resistance
  5. 11. process of breaking down glucose in the absence of oxygen to produce energy
  6. 12. glucose stored in the body. Used for fuel when blood glucose levels decline
  7. 13. the lowest level at which we can train and still make some fitness gains
  8. 14. principle that implies that greatest gains occur when training resembles competition movement
  9. 15. by product of the incomplete breakdown of CHO in the absence of oxygen
  10. 18. in the presence of oxygen
  11. 19. amount of blood ejected by the left ventricle during a contraction
  12. 21. referred to as the "detraining effect"
  13. 22. point at which lactic acid accumulates rapidly in the blood
  14. 23. growth
Down
  1. 1. generally is the use of free weights to lengthen and then contract muscle fibres
  2. 2. apply resistance without changing muscle length
  3. 3. training that uses the aerobic energy system as the main source of energy
  4. 4. the amount of air the lungs can hold
  5. 5. training that incorporates high intensity work with limited recovery
  6. 7. number of heartbeats/minute while at rest
  7. 10. implies that gains in fitness occur when training load is increased as improvements occur
  8. 16. range through which joints and body parts are able to move
  9. 17. process of restoring ATP to its former state
  10. 20. measures the energy value of food