ADVT
Interesting
The 'Hercules' star and the funnyman were left panting after the exercises, which included the 'Thigh Cruncher,' 'The Squat Thrust' and the 'Jack Weight.'
Fallon and Johnson pretended to be The Fungo Brothers -- tube sock-clad siblings who apparently were using the Thighmaster, or the "Thighcruncher" as they call it, before everyone else.
MORE Interesting GALLERIES
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ADVT
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ADVT
