Live stream preview

Watch this video and more on System of Strength

Watch this video and more on System of Strength

Like Magic

CORE • 34m

Up Next in CORE

  • Walking Funny

    A 30 minute calves and core challenge that left Gretchen walking funny for days to follow. You will need a set of weights to stand on and a wall nearby for balance.
    Original Drop Date: 3.9.2026

  • Drop Down And Move

    15 minutes of quick core using just you. This is the perfect class to just drop down and get moving using nothing but you.
    Original Drop Date: 3.5.2026

  • On The Mat

    30 minutes of core using gliders, foam roller, and a loop band. This entire class will take place on the mat.
    Original Drop Date: 2.5.2026

1 Comment