30-Day Fitness Challenge, Day 18: Lower Body + Core

30 day fitness challenge
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Daniel Fishel/Thrillist
You're on Day 18 of the 30-Day Gym-Free Fitness Challenge. To return to the main challenge page, click here.

It's time to tackle the lower-body AMRAP series again. It's exactly the same as this week's previous lower-body and core workout, so try to beat your scores again. Even if it's by a single repetition, every little improvement deserves to be celebrated.

AMRAP #1: Lower body

Set a timer to count down for 10 minutes, and see how many total circuits of the following exercises you can complete.

squat thrust
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prisoner squats
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single leg deadlift
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jumping lunge
Daniel Fishel/Thrillist

Continue for 10 total repetitions. If jumping lunges are too difficult, switch to alternating lunges instead.

After completing the 10-minute AMRAP, rest three to five minutes, then repeat the AMRAP a second time. Aim to meet or exceed the total number of rounds you completed during your first attempt during your second.

AMRAP #2: Core

Set a timer to count down for five minutes, then perform as many rounds as possible of the following circuit, just as you did when performing the lower-body AMRAP.

plank jack
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side planks
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leg lifts
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10 leg lifts

After completing the five-minute AMRAP, rest two to four minutes, then repeat it a second time. Try to meet or exceed the number of rounds you complete on your second attempt.

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