In this episode I talk with the legend @jonjon.park about the testosteron differences between today and back then. How his dad Reg Park trained his calfes but also how to be smart with your training, weaknesses, stretching and much more. Follow me on Instagram:https://instagram.com/taekwondoartistnew?igshid=MmU2YjMzNjRlOQ== Follow Jon Jon Park:https://instagram.com/jonjon.park?igshid=MmU2YjMzNjRlOQ==
