Jennifer Lopez shared a new workout video

Jennifer Lopez showed off his latest workout on Instagram posted by the personal coach David Kirsch.

With the help of his trainer David Kirsch, Lopez, 48, took core strength training up a notch by doing some side twists while holding medicine balls.

@jlo taking her core training very seriously! #medicineballsitups #energy #wellnesswednesday #killerabs #getkirsched #kirsching #fitness

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Ayyyyy… ?

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“I work out in the morning,” she said. “It just loosens up my body, gets me ready, keeps me strong. You know, injuries come when the muscles get weak or you over-work them. So you have to keep them strong, too.”

Jennifer Lopez and Alex Rodriguez do this is us style push-ups during couples workout.

Comeback!!! Oops…maybe not ? #VegasPrep #Trufusion #NYC @jlo @davidkirsch

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J. Lo is no doubt getting some killer cardio from her two-hour show as well, which she says keeps her on her feet and dancing the entire time.

Are you ready for TONIGHT!? #NiTuNiYo #macysfireworksspectacular on #NBC AVAIL ON ITUNES RIGHT AFTER SHOW

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