4Ettema GJ,Huijing PA,van Ingen Schenau GJ,et al. Effects of prestretch at the onset of stimulation on mechanical work output of rat medial gastrocnemius muscle-tendon complex. J Exp Biol, 1990,152 : 333-351.
5Anderson FC,Pandy MG. Storage and utilization of elastic strain energy during jumping. J Biomech,1993,26 (12): 1413-1427.
6Bobbert MF,Gerritsen KG,Litjens MC,et al. Why is counter movement jump height greater than squat jump height? Med Sci Sports Exerc, 1996,28 (11 ) : 1402-1412.
7Cretu Marian. A vertical jump force test study on explosivity pliometrical and nonpliometrical characteristics in children 8-9 years old. Int J Sports Sci Phys Educ ,2010,1:1-7.