Show Heart Is Not Harmed Harmedby Harmedby by Athletic ExerciseMelbourne Exercise Eerclse ExerciseMelbourne ' { MelbourneStrenuous Melbourne Strenuous -Strenuous - athletic athleticactivIt athleticactivit athleticactivit activIt es have no bad effect on the theheart theheart theheart heart in m the op mon Dlon neon of Dr E L LCooper LCooper LCooper Cooper Dr J 0 O Sullivan and E EHughes EHughes EHughes Hughes of the University UmversIty of Sydney SydneyAustralIa SydneyAustralia SydneyAustralia SydneyAustraliaThese AustralIa AustralIaThese These scient sts exam ned a se senes sertes senes nes rtes of oarsmen from un tin versit verslt esand es esand esand and colleges before going gomg into mto tram train trammg trainmg traming mg after tram train ng rig and before and andafter andafter andafter after racmgThey racingThey racing racmg racingThey They found that during durmg muscular muscularexerc muscularexerc muscularexerc exerc se the heart does not d late at atall atall atall all but that it may enlarge as a aresult aresult aresult result of tra nmg ning although as soon soonas soonas soonas as tra ning mng ring is stopped it rapidly re reverts reverts reverts verts to its original ongmal size They could couldfnd couldfnd couldfnd fnd no evidence of any permanent permanentchange permanentchange permanentchange change to the heart as a result of oftrammg oftraining oftraining trammg training tor for and taking takmg part in ath athlc.tIc athktic athli-tic athli tic lc.tIc lctIc ktic . - sports The r final conclus onswere ons onswere onswere were that even extreme physical physicaleffort physicaleffort physicaleffort effort on the part of an athlete such suchas suchas suchas as the fnal dozen at the end of an anexhaust anexhaust anexhaust exhaust ng t ' vo 10 mile rowing race racedoes racedoes racedoes does not result in damage to the theheart theheart theheart heart |