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Anaerobic strength is musculoskeletal force that does not require oxygen; energy for anaerobic strength comes primarily from the glycolytic pathway. It involves the development of severe oxygen debt, as the emphasis is on repetitive muscular capacity without entering into the aerobic phase of energetics. Examples of this are found in wrestling, boxing, and high-repetition training (greater than 20 reps). The two types of anaerobic strength are speed-endurance and strength-endurance. [1]


Main article: Speed-endurance

Speed-endurance is the ability to prolong the amount of time where a near maximal speed can be maintained.[2] During activity such as this, accumulation of blood lactate disturbs the excitation-contraction coupling and cross-bridge formation. The muscle's mechanical properties are disturbed, resulting in a decrease in force production, peak force and velocity. [3] Speed-endurance training can improve the clearance rate of lactate and reduce early lactate formation.[3] Speed endurance is crucial to a multitude of athletes and a lack of it will result in reduced sports capability.[4]


Main article: Strength-endurance

Strength-endurance is the ability to make repeated muscle contractions against a force, and is a measure of the ability of a muscle or muscle group to work continuously.[5] Strength-endurance is similar to muscular endurance, but with strength endurance there is a greater emphasis on the amount of the force which can be resisted. [5] The base of strength-endurance is strength, which makes it markedly different from strict muscular endurance. In essence, the goal of strength-endurance is to be as strong as possible for as long as possible.[6] (If strength is the ability to exert force and endurance is the ability to resist fatigue, then strength-endurance is really the ultimate combination that everyone should seek to achieve.)[7]


  1. Gastelu, Dan; Hatfield, Frederick C (2006). Specialist in Performance Nutrition: The Complete Guide. Carpenteria, CA: ISSA, 17. 
  2. Lee, Jimson (2007-02-12). What is Speed Endurance training?. Retrieved on 2008-10-04.
  3. 3.0 3.1 Sport Fitness Advisor (n.d.). Speed Endurance Training. Retrieved on 2008-10-04.
  4. (n.d.). Building Speed and Endurance. Peak Performance. Retrieved on 2008-10-04.
  5. 5.0 5.1 unk. (n.d.). Strength-Endurance. Retrieved on 2008-10-04.
  6. Wiggins, Matt (n.d.). Strength-Endurance Training: Be Stronger Longer. Retrieved on 2008-10-04.
  7. Incledon, Lori (n.d.). Speed-Strength Versus Strength-Endurance. Retrieved on 2008-10-04.