

The poor quadratus lumborum (QL). It does much more than its share during one-arm movements like kettlebell swings and presses, where it keeps your torso rigid and facing forward. It needs to be stretched, but if you are a blocky, stiff muscle head, good luck getting into the standard “straddle stretch.” Before you know it, you blow off stretching it completely.
That’s what Jump Stretch bands are for. If you’ve knocked around the powerlifting world for more than 5 minutes, you probably think of JS bands as “accommodating resistance” for your weights.

But from their inception, JS bands have been at least as much for stretching and mobility as for resistance, and they are a godsend for stretching tissue that’s ornery or hard to get into position for. Pecs, shoulders, lats, biceps, triceps, hip flexors, and quads are all much easier and less arduous for me to stretch with bands than on a yoga mat.
But the quadratus lumborum is the poster child: normally I can scarcely get into position for QL stretches without being limited by flexibility (e.g. hamstrings in the straddle stretch) or muscular endurance (e.g. holding onto a door frame).
But if you have a band and somewhere to anchor it, you can stretch out your QL without annoyance. For comfort, use a deadlift strap for your grip so that you can hang for as long as you want without your hand tiring.

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