{ "item_title" : "Health 101", "item_author" : [" Alberto Robles "], "item_description" : "Muscle is not just for looks. Skeletal muscle moves you, helps dispose of glucose, supports posture and independence, and is one of the strongest levers for healthy aging. Losing it is common after 30 - and faster with inactivity, illness, or rapid weight loss - but it is not an inevitable slide you cannot influence.Health 101: Muscle Health & Strength explains how muscle works in plain English: how it contracts and adapts, why strength and size are not the same, how resistance training sends an adaptation signal, why protein and recovery matter, and how to think about muscle during weight loss - without unsafe gym prescriptions or gym-bro hype.Inside you will learn how to:See muscle as a metabolic and functional organ, not just appearanceFollow contraction, motor units, force, fatigue, and fiber types without a textbook dumpTell strength, hypertrophy, power, and muscular endurance apartUnderstand sarcopenia, disuse, bed rest, energy deficit, and other reasons muscle declinesUse progressive overload, effort, range of motion, and frequency as principles - not one universal routineConnect protein, energy adequacy, and recovery to muscle protein synthesisThink about lean mass during weight loss and GLP-1 use without medication adviceLink gym strength to sit-to-stand, carrying, stairs, grip, balance, and independenceBuild a 2-3 day weekly framework you can progress safelyWho it's for: adults 30+, especially 40-75; beginners starting strength training; readers focused on healthy aging; people losing weight who want to understand lean-mass preservation; non-athletes who want functional strength.What this book will not do: prescribe a one-size workout, diagnose sarcopenia, or tell you to change medication. It is general education - use it to understand the physiology, then personalize with a qualified trainer or clinician when needed.Understand muscle. Train the signal. Keep strength you can use.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/79/817/111/9798171115524_b.jpg", "price_data" : { "retail_price" : "19.99", "online_price" : "19.99", "our_price" : "19.99", "club_price" : "19.99", "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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