Kas Glute Bridge: How to Do It, Muscles Worked and Benefits
How to do the Kas glute bridge: bench setup, the short top-half range, key cues, sets and load, common mistakes and how it differs from a full hip thrust.
By Nadia Popescu, Strength & Conditioning Writer · Updated 15 November 2026
The L-sit is a bodyweight hold where you support yourself on straight arms with your legs held out in front of you, parallel to the floor, so your body makes an L shape. It looks simple. It isn't. Holding it for even 10 seconds takes strong hip flexors, abs that can keep your pelvis tucked, locked triceps and shoulders that push down hard. Here's how to do it on the floor, on parallettes and on dip bars, plus the progressions that get you from zero to a full hold.
Most people should start on parallettes or dip bars, because the extra height gives your heels room to clear the floor. The cues below are the same wherever you do it.
The cue that makes it click
Think "shoulders down, knees locked". Most failed L-sits come from shrugging, which drops your hips, or soft knees, which shortens the lever and hides weak hip flexors. Push the bars away like you're trying to make your arms longer, then squeeze your quads as if you're kicking the backs of your knees into the floor.
The L-sit trains your trunk and arms together, which is why gymnasts use it as a foundation for harder skills.
The NHS recommends muscle-strengthening activity that works the major muscle groups, including the abdomen, arms and shoulders, on at least two days a week, and the L-sit ticks most of those boxes in one hold.
Floor L-sits load your wrists in full extension, and plenty of people find that sore at first. Spend two or three minutes on this before every session:
If your wrists still ache, train on parallettes or dip bars for a few weeks. The neutral grip takes most of the stress off.
Don't jump straight to the full L-sit. Work through these in order and move on when you can hold 3 sets of 20 to 30 seconds with good form.
If straightening your legs is the sticking point, add seated leg lifts: sit with straight legs, hands on the floor beside your knees, and lift both heels a few centimetres for 10 reps. It trains the end range of hip flexion that the L-sit demands. Pairing this work with hollow body holds helps too, because they teach the same posterior pelvic tilt.
The L-sit is an isometric hold, so you train it with time rather than reps. A simple plan that works for most people:
Short, frequent practice works better than one long grinding hold. You can also split your total time into mini-sets: if you're aiming for 30 seconds of total L-sit time and can only hold 5 seconds, do six 5 second holds with short rests. If you're building a full bodyweight routine, our calisthenics workout plan shows where it fits.
Shrugging. Letting your shoulders creep up to your ears drops your hips and puts strain on the neck. Push the bars away and keep your neck long throughout.
Bent knees. Soft knees make the hold easier and hide weak hip flexors. If you can't keep your legs straight, go back to the one-leg L-sit rather than cheating the full version.
Rounding the upper back. A small curve in the lower back from the pelvic tilt is fine. A collapsed, hunched upper back means your shoulders have stopped working. Keep your chest proud.
Bent elbows. If your elbows bend, your triceps and shoulders aren't doing their job. Lock them out before you lift your legs.
Holding your breath. It feels natural, but it limits your hold time and spikes your blood pressure. Breathe in short, controlled breaths while keeping your abs tight.
The hip flexors and rectus abdominis do most of the work holding your legs up, while your quads stay locked to keep the knees straight. Your triceps keep your elbows locked, and the shoulder depressors (lower traps and lats) push your shoulders down away from your ears. It's a core exercise, an arm exercise and a hip flexor exercise in one hold.
A 10 second full L-sit is a solid first goal, and 30 seconds is strong by most calisthenics standards. Most beginners can't hold a full L-sit for even a second, which is normal. Start with tuck L-sits of 10 to 20 seconds and build up from there.
Usually it's one of three things: weak hip flexors that can't lift straight legs, tight hamstrings that pull your legs down, or shoulders that won't depress enough to lift your hips. Work the tuck and one-leg versions, add hamstring stretching and practise support holds with your shoulders pushed down, and the full version will come.
Parallettes or dip bars are easier for most people. The extra height gives your heels room to clear the ground and lets you grip with neutral wrists. A floor L-sit needs more shoulder depression and hamstring flexibility because your hands sit level with your hips, so it's the hardest of the three.
Three or four short sessions a week works well, because it's a low-fatigue isometric hold. Do 4 to 6 sets per session, each hold a few seconds short of failure, with 60 to 90 seconds of rest. Your wrists and hip flexors need time to adapt, so don't train it to exhaustion every day.
Not if you prepare them. Floor L-sits put your wrists in full extension under your bodyweight, which can ache if you're not used to it. Warm up with wrist circles and gentle rocking on all fours, and use parallettes or dip bars if your wrists complain, since they let you grip with a neutral wrist.
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