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The workout below is for Day 24 of the Just Enough Workout, a four-week workout plan.

Molly performing an overhead press

Katie Thompson

Planks can be a phenomenal exercise.

When done correctly, this foundational move can help build all-over strength.

And once youve mastered a classic plank, a whole new world of variations opens up.

Bodyweight Frog Pump

(Seriously, just check outsome of the options.)

As you move through these exercises, think about activating your entire body as much as possible.

Think about pulling your shoulders down away from your ears, and stacking your wrists directly under your shoulders.

Forearm Plank

Time to give it your all!

Wardrobe styling: Rika Watanabe.

Makeup: Monica Alvarez at See Management.

Inchworm

Hair: Erin Piper Hershleb at L’Atelier.

Creative director: Amber Venerable.

Molly Telleksonwears: Top:NikeSwoosh Bra, $30.

Frog Pump

Bottoms:ReebokLux High-Waisted Colorblock Tights, $60.

Shoes:HokaGaviota 4, $170.Jamie Songwears: One-piece:Alo YogaAlosoft Suns Out Onesie, $128.

Shoes:New Balance, similar styles.Jo Murdockwears: Top:LululemonEnergy Longline Bra, $58.

Overhead Press

Bottoms:LululemonAlign High-Rise Pant With Pockets, 25, $128.

Shoes:LululemonChargefeel Mid Womens Workout Shoe, $148.

Forearm Plank Leg Lift

Sumo Squat

Inchworm to PushUp