Long jump training emphasizing plyometric exercises is more effective than traditional long jump training: A randomized controlled trial 215-224 10.14198/jhse.2019.141.18 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85062993128&doi=10.14198%2fjhse.2019.141.18&partnerID=40&md5=188c0acdcf44469a5aa01a9feeda8196 Scopus 14 1 2019 Journal of Human Sport and Exercise S.El-Ashker A.Hassan R.Taiar M.Tilp