Up Next in Fierce

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  06:37

  Fierce Core B

  Fierce Core B

  Use a variety of core muscles to emphasize core stability, training your muscles simultaneously to create a healthy core. This is part of a core progression series.

  PREREQUISITE: Pretty Fierce program.

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  06:50

  Fierce Core C

  Fierce Core C

  Use a variety of core muscles to emphasize core stability, training your muscles simultaneously to create a healthy core. This is part of a core progression series.

  PREREQUISITE: Pretty Fierce program.

• 

  05:54

  Fierce Core D

  Fierce Core D

  Use a variety of core muscles to emphasize core stability, training your muscles simultaneously to create a healthy core. This is part of a core progression series.

  PREREQUISITE: Pretty Fierce program.