# Weighted Dumbbell Straight Leg Diagonal Kickback - Canonical: https://fitwill.app/exercise/8802/weighted-dumbbell-straight-leg-diagonal-kickback/ - Media ID: 8802 - Primary muscle: Glutes - Body part: Glutes - Equipment: Dumbbell - Video: https://fitwill.app/videos/8802/weighted-dumbbell-straight-leg-diagonal-kickback.mp4 ## Description The Weighted Dumbbell Straight Leg Diagonal Kickback is a standing single-leg hip extension exercise performed with a dumbbell in one hand and your free hand braced on a rack or frame for support. From a slight forward hinge, you sweep one straight leg back and out to the side along a diagonal path, squeezing the glute hard at the top before lowering under control. The diagonal angle is what makes this version distinct: instead of driving the leg straight behind you, the leg travels backward and outward at roughly 30 to 45 degrees, which pulls the gluteus maximus and the upper, outer portion of the glute into the movement together. This exercise suits lifters who want targeted glute work without loading the spine the way a barbell hinge does. Because you are standing on one leg and bracing lightly with one hand, the stance-side hip and trunk also have to stabilize, giving you a subtle balance and core stability demand on top of the primary glute action. It fits well as an accessory movement after squats, deadlifts, or hip thrusts, or as a focused finishing exercise when you want extra volume for the glutes without heavy systemic fatigue. Setup matters more here than it looks. The slight forward lean from the hips sets the glutes up to do the work, while a fully upright torso tends to shift effort into the lower back and hamstrings. The braced hand should steady you, not carry your weight; if you lean heavily into the rack, the working leg stops moving the load through its full path. Keeping the kicking knee locked straight turns the leg into a long lever, which is exactly why even a light dumbbell makes the top of each rep feel challenging. To execute it well, hinge forward a few degrees, brace lightly, and think about pushing the heel back and slightly out rather than just lifting the leg. Stop when the leg reaches full extension behind you and your glute is fully contracted; kicking higher than that usually comes from arching the lower back or rotating the torso. Lower the leg slowly until the foot is back near the floor, keeping tension on the glute the whole time. Breathe out as you kick back and in as you return, then complete all reps on one side before switching. The most common errors are swinging the leg for momentum, bending the working knee to make the rep easier, rotating the hips open to gain range, and craning the neck up while hinged. All four reduce glute tension and shift work to joints you are not trying to train. Use a dumbbell you can control for slow, deliberate reps, and if your lower back takes over, reduce the weight or the height of the kick before anything else. Progress by adding small increments of weight or slowing the lowering phase rather than chasing a bigger arc. ## Instructions 1. Grip a dumbbell in one hand and let it hang at your side, then place your free palm on a sturdy rack or frame at about chest height for balance. 2. Stand with your feet close together, then hinge forward slightly from the hips so your torso is angled a few degrees toward the floor while your back stays flat. 3. Shift your weight onto your non-working leg and soften that knee slightly to create a stable base. 4. Brace your trunk lightly and keep your neck in line with your spine before starting the rep. 5. Keeping the working knee straight, sweep that leg back and out to the side along a diagonal path, pushing through the heel. 6. Stop at the top when the leg is fully extended behind and slightly out from your body and your glute is squeezed as hard as possible; do not arch your lower back to lift higher. 7. Lower the leg slowly along the same diagonal path until your foot is back near the floor, keeping tension in the glute instead of letting the leg drop. 8. Exhale as you kick back and inhale during the controlled return. 9. Finish all reps on one side, then switch the dumbbell to the other hand and repeat on the opposite leg. 10. Reset your stance and hinge position between sets so every rep starts from the same stable posture. ## Tips & Tricks - If you feel the work in your lower back instead of your glutes, you are likely arching to extend the leg higher; cut the kick height back to where the glute contracts without your spine extending. - A bent working knee shortens the lever and turns the rep into something easier to swing; lock the knee out and accept lighter weight. - Leaning your body weight into the braced hand is a common way to cheat; rest only fingertips against the rack so the stance leg has to stabilize. - If your hips rotate open as the leg kicks out, imagine a glass of water sitting on your lower back and keep your pelvis square to the rack the entire time. - Pause for one full second at the top of each diagonal kick; the glute contraction, not the leg height, is the point of the movement. - Use a slow three-count on the way down. The straight-leg position makes the lowering phase where most of the glute tension lives, and rushing it wastes the set. - Choose a dumbbell light enough that your last two reps look identical to your first two; swinging a heavier bell means the momentum, not your glutes, is moving the leg. - If balance falls apart, widen the distance between your feet slightly or hold the rack more firmly, but keep the same forward hinge angle. - Keep the dumbbell arm relaxed and hanging; tensing the shoulder on that side over a full set often causes neck and upper trap discomfort. ## Frequently Asked Questions ### What muscles does the Weighted Dumbbell Straight Leg Diagonal Kickback work? The glutes are the primary movers, with the gluteus maximus driving the backward extension and the upper glute contributing because the leg travels diagonally outward. The hamstrings assist on the hip extension, and the stance leg plus trunk work to keep you steady. ### Why does the leg kick diagonally instead of straight back? The diagonal path combines hip extension with slight abduction, so the gluteus maximus and the outer, upper glute fibers share the work. A straight-back version biases extension more heavily, while the diagonal gives the whole glute a broader stimulus. ### Is the Weighted Dumbbell Straight Leg Diagonal Kickback good for beginners? Yes, provided you start with a very light dumbbell or even no weight at all. The movement pattern is simple, but beginners should first learn to hinge slightly, keep the knee straight, and feel the glute contract before adding load. ### Why should the working knee stay straight during the kick? A straight knee turns the whole leg into a long lever, which increases the demand on the glute at a given weight. Bending the knee shortens that lever and makes it much easier to swing the leg using momentum instead of muscle. ### How heavy should the dumbbell be for this exercise? Pick a weight you can move slowly for controlled reps with a clear glute squeeze at the top and no lower back arch. Most people find a light dumbbell is enough, because the long straight-leg lever makes modest loads feel challenging. ### Can I do the Weighted Dumbbell Straight Leg Diagonal Kickback without a rack to hold onto? You can brace against any sturdy fixed object at about chest height, such as a squat stand, railing, or the frame of a machine. Without anything to hold, the exercise still works but becomes more of a balance challenge, which may limit how hard you can load the glute. ### What is the most common mistake with this movement? Swinging the leg up and arching the lower back to get extra height is the biggest one. The fix is to stop the kick at the point of maximal glute contraction and let a slower tempo take the place of range you do not actually control. ### What can I use instead of a dumbbell if I do not have one? Ankle weights or a light resistance band around the ankles work well and keep your hands free, which can help with balance. The body-weight version is also a valid substitution while you dial in the hinge and the diagonal path. ### How many sets and reps should I do? Two to four sets of 10 to 15 reps per leg works well as a glute accessory or finisher. Because the movement is hard to cheat and easy to feel, moderate reps with a pause at the top beat high-rep swinging. ### Is it safe for people with lower back sensitivity? The standing, lightly braced position is generally lower-back friendly compared to loaded spinal hinges, but keep the torso lean modest and avoid any rep where your back arches to lift the leg. If the movement provokes discomfort, reduce the range or the weight before continuing.