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Four out of the five moves that you’ll do today will really be working your hip mobility.

woman doing back bend

Remi Pyrdol

Your hips provide mobility, your knees give stability, ankles are mobile, and feet are stable.

today’s strength workout combines the best of both worlds.

Before starting today’s workout, try doing thisquick full-body warm-up, and finish with aneasy bodyweight cool-down.

Day 21 TotalBody Strength Building Routine

Morgan Johnson

The Workout

Heres a detailed breakdown of the moves youll do.

Do each move below for 12 reps with little or no rest between moves.

At the end of the circuit, try the Bonus Move or skip to the rest.

Sumo Squat

Remi Pyrdol

Rest for 60-90 seconds.

Do the entire circuit 3-5 times.

Hair:Siobhan Benson.

Bear Crawl

Remi Pyrdol

Makeup:Sara Glick at Starworks.

On our model,Bianca Vesco: Sports Bra:NikeZip Medium Support Sports Bra, $55.

Leggings:AdidasSupernova Tights, $75.

Lateral Lunge

Remi Pyrdol

Sneakers:AsicsGel-Kenun, $110.

Yoga mats:Adidas by Stella McCartneyYoga Mat, $30; andGaiamAthletic 2 GripMat, $60.

Gifs and first photo: Photographer:Remi Pyrdol.

Giant Mountain Climber

Remi Pyrdol

Hair:Clay Nielsen.

Makeup:Hiro Yonemotoat Atelier.

On Bianca (first photo): Sports Bra:Sweaty BettyStamina Workout Bra, $50.

Wall Angel

Remi Pyrdol

Leggings:NikePro Hypercool, $70.

Sneakers:Under ArmourThreadborne Push Sneakers, $82.49.

(gifs): Sports Bra:Motion by CoalitionStrappy Front Bra, $27.50.

Star Jump

Remi Pyrdol

Leggings: similar styleVimmiaGypsy Jacquard Legging, $124.

Sneakers:APLTechLoom Pro Black, $140.