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This Is What Happens To Your Body If You Never Stretch

Writer: KELLS MCPHILLIPS | Outlet: Well and Good

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There are two types of people in this world: Those who never stretch and those who brag about their flexibility with not-so-subtle jabs. (“I remember when I couldn’t touch my toes!”) If you’re on Team No Stretch, you’re probably sick of hearing from the know-it-alls doing splits in the corner. That’s why I’m sorry to report that I asked a physical therapist what happens if you don’t stretch—and it’s not good news, fam.


To understand why stretching should be part of everyone’s routine, physical therapist and yoga teacher Lara Heimann, PT, says you first need to understand what all the toe-touching and extension actually does for your body. Many folks believe that stretching elongates your muscles, but that, my friends, is a myth. Instead, it mobilizes and lengthens the connective tissues surrounding your muscles, allowing both them and your joints to move more freely.


“The fascial covering is the connective tissue that is a ubiquitous webbing that’s around everything in the body, including your muscles,” says Heimann. “Each muscle group has individual muscle cells and there’s fascia that covers them, then all these muscles together are covered with even more fascia.” Without movement (and stretching specifically) that fascia molds to your muscles like an immovable cast that keeps your muscles from functioning to their full capacity. Stretching and yoga make that fascia more pliable, free-moving, and elastic. “We have to heat up the connective tissue through movement and through some prolonged stretching to influence into changing,” she says. Makes sense, right?


It follows that when you don’t move—and, specifically, when you do the same types of movement over and over again without counterbalancing them via stretching—you wind up feeling tight. Think of it like this: If you broke your arm and wound up in a cast, you’d want to get that cast off stat, right? Stretching is the “it” factor that allows you to transition from a limited range of movement (try making a sandwich with a casted forearm) to an uninterrupted one (one where that PB&J is no problem). If you skip stretching, your body will feel fine in its cast. Until it doesn’t.