{ "item_title" : "30 Day Plank Challenge", "item_author" : [" Pa Publishing "], "item_description" : "Part of The 30-Day Challenge Series Thirty days from now, you'll be able to hold a plank longer than you can today.The plank is one of the most effective exercises there is for building core strength - and one of the simplest. No equipment, no gym membership, no learning curve. Just a few square feet of floor and a couple of minutes a day.This guided tracker walks you through 30 days of progressively challenging plank holds, with a track built for every fitness level: EASY - for beginners building the habitMEDIUM - a steady challenge with low and high plank setsHARD - for those ready to push past four, five, even ten minutes of total hold time Every day includes a space to log your actual time, so you can track real progress, not just follow a plan. Built-in rest days keep recovery part of the program, not an afterthought. And when you hit Day 30, a certificate of completion is waiting for you.Inside you'll find: A full 30-day tracker across three difficulty levelsClear instructions for low (forearm) and high (hands) plank formDaily motivation to keep you showing upA certificate of completion for the last page Whether you're starting your first fitness habit or looking for a new personal best, this is a simple, no-excuses way to get there. Grab a friend, roll out your mat, and start your challenge today.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/9/79/818/989/9798189890062_b.jpg", "price_data" : { "retail_price" : "9.99", "online_price" : "9.99", "our_price" : "9.99", "club_price" : "9.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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