 {{Cite journal| doi = 10.14198/jhse.2019.141.18| volume = 14| issue = 1| pages = 215–224| last1 = El-Ashker| first1 = S.| last2 = Hassan| first2 = A.| last3 = Taiar| first3 = R.| last4 = Tilp| first4 = M.| title = Long jump training emphasizing plyometric exercises is more effective than traditional long jump training: A randomized controlled trial| journal = Journal of Human Sport and Exercise| date = 2019}}