How does training affect performance?

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