# Pilates Machine Lying Frog And Leg Circle - Canonical: https://fitwill.app/exercise/10847/pilates-machine-lying-frog-and-leg-circle/ - Media ID: 10847 - Primary muscle: Hips - Body part: Pilates - Equipment: Other - Video: https://fitwill.app/videos/10847/pilates-machine-lying-frog-and-leg-circle.mp4 ## Description Pilates Machine Lying Frog And Leg Circle is a classical reformer exercise performed lying face up on the carriage with the feet placed in the straps that run through the pulleys at the head of the machine. The movement combines two connected phases: the frog, where the knees bend and the hips rotate outward before the legs press away to a long extension, and leg circles, where the straightened legs trace controlled circular paths against the resistance of the straps. Because the carriage rolls beneath you and the straps pull from above, the legs are supported by the equipment while your trunk has to do the stabilizing work. This exercise is a staple in reformer teaching for good reason. It trains hip mobility in a coordinated way, taking the hips through flexion, external rotation, extension, and controlled circling in one flowing sequence. The adductors and hip rotators work through the frog action, the hip flexors and thigh muscles control the circling phase, and the deep abdominal muscles maintain a quiet pelvis and ribcage throughout. Many people find that the straps reveal asymmetries between the left and right legs that are easy to hide on a mat. Setup matters more here than in most leg exercises. Because your hands are free and nothing anchors the upper body except the headrest and your own trunk control, any loss of abdominal engagement shows up immediately as the pelvis tipping, the lower back arching, or the carriage lurching. Keeping the pelvis heavy on the carriage and the ribs softly drawn down gives the hip joints a stable base, which is what allows the circles to stay smooth and even. To execute the frog, start with the knees bent toward the chest, heels together and toes turned outward, then press the feet away along a diagonal until the legs lengthen fully. For the circles, keep the legs long and let them sweep out and around in a controlled arc, sizing the circle so the trunk never moves. The direction can be reversed after several repetitions. The straps should stay taut the whole time, and the pace should feel unhurried; the resistance comes from smooth tension, not from speed. This movement suits beginners learning reformer fundamentals, people rebuilding hip mobility, and experienced practitioners using it as a warm-up before heavier leg work. Common coaching points include lightening the spring load if the pelvis cannot stay still, reducing the circle size if the legs feel jerky, and stopping the press before the lower back lifts off the carriage. Anyone with acute hip or sacroiliac discomfort should work within a comfortable range and clear the movement with a qualified instructor first. ## Instructions 1. Lie face up on the reformer carriage with your head resting on the headrest, arms relaxed by your sides, and your spine in a neutral position. 2. Place both feet into the short straps so the straps wrap around the arches of your feet, and bring your knees in toward your chest. 3. Set the frog position: heels together, toes turned outward, knees bent and hip-width apart, with the pelvis heavy on the carriage. 4. Exhale and engage the deep abdominal muscles, drawing the ribs gently down before your legs start to move. 5. Press the feet away from the body in a smooth diagonal, extending the knees fully until the legs reach about a 45 to 60 degree angle while the lower back stays on the carriage. 6. From the long-leg position, begin leg circles: sweep the legs out to the sides, down, together, and back up, keeping the straps taut and the carriage quiet. 7. Complete several circles in one direction, then reverse the direction, keeping the size of the circle small enough that your pelvis and ribcage do not shift. 8. To return, bend the knees and draw the heels back together toward the chest, retracing the frog path with control as the carriage slides home. 9. Inhale as the legs bend in and exhale as the legs extend away, letting the breath match the rhythm of the movement. 10. Finish by carefully removing one foot from its strap at a time, bending the knee toward the chest first, then stepping off the carriage with control. ## Tips & Tricks - If your lower back arches or lifts off the carriage as the legs press away, do not reach the legs so low or so far; stop the extension earlier and rebuild from that range. - Wobbly or uneven circles usually mean the circle is too large for your control level. Shrink the circle until both legs trace the same smooth path, then grow it gradually. - Watch the heel position in the frog: if the heels drift apart during the press, the external rotation is being lost. Keep the heels connected as one reference point. - A jerky carriage signals you are pushing through the straps rather than moving with them; soften the press so the springs stay under steady tension. - Gripping the carriage edges with your hands often means the core is not doing its job. Rest the hands loosely by your sides and let the trunk do the stabilizing. - Lighter springs make this exercise harder for the trunk, not easier, because the straps offer less help holding the legs up. Do not assume heavy resistance is the beginner option. - If one leg circles wider or higher than the other, slow down and work the smaller, even range until both sides feel symmetrical. - Keep the neck relaxed and the gaze soft toward the knees; tilting the head up to watch the legs tends to tension the shoulders and lift the ribs. - Move the circles at a pace of roughly three to four seconds per revolution; racing through them turns a control exercise into a momentum exercise. ## Frequently Asked Questions ### What muscles does Pilates Machine Lying Frog And Leg Circle work? The primary work comes from the hip muscles, including the hip flexors, inner thighs, and external rotators, with the quadriceps and hamstrings assisting through the press and bend. The deep abdominals work continuously to keep the pelvis stable on the moving carriage. ### Is the frog and leg circle suitable for beginners on the reformer? Yes, it is commonly taught early in reformer practice because the straps support the weight of the legs. Beginners should use a light spring setting, keep the circles small, and limit the leg extension so the lower back stays on the carriage. ### How far should my legs lower during the leg circles? Lower only as far as you can keep the pelvis neutral and the lower back resting on the carriage. If the back arches or the ribs flare as the legs sweep down, the circle is too big for your current control. ### Why do my hips click or pop during the circles? A painless click at the front of the hip is often caused by the hip flexors or a slight change in hip socket positioning and is common when circling straight legs. Slow the movement, reduce the circle size, and if the clicking comes with discomfort, shorten the range or consult an instructor. ### Should I use heavy or light springs for Pilates Machine Lying Frog And Leg Circle? Start lighter than you expect. Heavy springs can drag the pelvis out of position during the circles, while a moderate setting lets the trunk stabilize and the hips move freely; adjust based on whether your pelvis stays still. ### What is the difference between the frog part and the circle part of the exercise? The frog bends and rotates the hips, pressing the feet away to a long extension, while the circles keep the knees straight and sweep the legs in a continuous loop. Together they take the hips through a fuller range than either phase alone. ### How do I keep the carriage from slamming when my legs bend back in? Resist the return by letting the knees bend slowly, keeping tension in the straps until the heels are back at the starting point. Dropping the legs in quickly releases the springs and lets the carriage lurch toward the stopper. ### Can I substitute this exercise if I do not have access to a reformer? A mat version of leg circles with the legs in the air and the hands lightly supporting the pelvis offers a related challenge, though without strap resistance or the moving carriage. A cable machine with ankle straps while lying on a bench can also approximate the strap pull. ### How many repetitions should I do on each side of the circles? Six to ten circles in each direction is a common working range, done once or twice. The goal is even, smooth circles in both directions, so stop when the path becomes uneven rather than pushing to fatigue.