# 90 Degree Heel Touch Against Wall - Canonical: https://fitwill.app/exercise/7436/90-degree-heel-touch-against-wall/ - Media ID: 7436 - Primary muscle: Abs - Body part: Core - Equipment: Body Weight - Video: https://fitwill.app/videos/7436/90-degree-heel-touch-against-wall.mp4 ## Description The 90 Degree Heel Touch Against Wall is a body weight abdominal exercise performed lying on your back with your hips and knees bent to roughly 90 degrees and your feet placed flat against a wall. From that position you curl your shoulder blades off the floor and reach your hands toward your heels, then lower back down under control. The wall gives your feet a stable, fixed point of contact, which keeps your legs in the same bent-knee position for every rep and removes the balance demand of holding your legs in the air on your own. The main muscle worked is the rectus abdominis, the sheet of muscle running down the front of your abdomen. Because your torso curls upward and slightly forward toward your feet, the obliques on both sides assist through the top of the movement, and the hip flexors work isometrically to hold your thighs at the 90 degree angle. The wall support means your legs stay put without you consciously gripping with the hip flexors, so most of the effort lands on the abs themselves. This setup is especially useful for people who find floor crunches uncomfortable or unfocused. Planting the feet against the wall takes the legs out of the equation, reduces swinging, and makes it easier to feel the abs doing the work instead of the hips or neck. It also suits anyone without access to equipment, since all you need is a clear patch of floor and a sturdy wall. Setup matters more than it looks. Your distance from the wall determines how steep the knee bend is and how far your heels reach, so take a moment to position yourself so that both hips and knees sit close to 90 degrees before you start. If you sit too far away your legs will press hard into the wall and your lower back may arch; too close and the knees crowd the chest and shorten the range of the curl. Execution is a deliberate trunk curl, not a yank. Peel your head and shoulder blades off the floor by pulling your ribs toward your pelvis, reach your fingertips toward your heels at the top, pause briefly, and lower your torso back down one vertebra at a time. Keep the movement smooth and your chin slightly tucked, as if holding a small apple under your jaw, and let your abs set the pace both up and down. You will see this movement in general core training, in beginner and intermediate abdominal routines, and in rehab-style programs where a supported trunk curl is preferred over more demanding hanging or weighted variations. Treat it as a quality-over-quantity exercise: slower reps with a genuine abdominal squeeze beat fast, bouncy reps that borrow momentum from the legs. ## Instructions 1. Sit on the floor facing a clear wall, then lie back and walk your feet up the wall until your knees are bent about 90 degrees and your soles rest flat against the wall, hips and knees both at right angles. 2. Adjust your distance from the wall so your thighs are roughly vertical and your shins angle down to the wall without your knees crowding your chest. 3. Rest your arms at your sides with your palms facing in, fingertips a few inches from your heels, and let your head and upper back relax onto the floor. 4. Brace your abdomen gently and press your lower back toward the floor so your ribs stay down before you begin each rep. 5. Exhale and curl your head and shoulder blades off the floor, sliding or reaching your hands toward your heels as your trunk shortens. 6. At the top, your fingertips should be at or near your heels, with the curl coming from your abs rather than a pull from your arms. 7. Hold the top position for one to two seconds and squeeze your abdomen. 8. Inhale as you lower your torso back down slowly, unrolling one vertebra at a time until your shoulder blades touch the floor. 9. Reset your lower back position and re-check that your feet are still flat on the wall before starting the next repetition. 10. Complete your set, then bend your knees and roll to one side to come off the floor rather than sitting straight up with straight legs. ## Tips & Tricks - If you feel the front of your hips doing most of the work, you are probably pulling your thighs toward your chest; keep the thighs still against the wall and think only about lifting your chest toward them. - Do not interlock your fingers behind your head and pull, as this loads the neck; rest your fingertips lightly by your ears or at your sides instead. - A common mistake is pushing hard through the feet against the wall to launch the torso; the feet should stay in light contact only, acting as an anchor rather than a spring. - If your heels slide down the wall between reps, your starting distance is off; re-set so the soles sit flat and the knees stay at right angles. - Keep the curl short and honest, lifting only until your shoulder blades clear the floor; jerking upward past that point usually means the hips and momentum are taking over. - If your lower back arches and lifts off the floor at the bottom, reduce the range slightly and focus on keeping the ribs pulled down. - Slowing the lowering phase to two or three seconds makes this movement noticeably harder without adding any equipment. - For a stronger oblique emphasis, alternate reaching your right hand toward your right heel and your left hand toward your left heel on each rep instead of reaching with both hands together. - Use a mat or carpet if the back of your head or shoulder blades are uncomfortable on a hard floor; discomfort there often causes people to rush reps. ## Frequently Asked Questions ### Which muscles does the 90 Degree Heel Touch Against Wall work? The primary muscle is the rectus abdominis at the front of your abdomen, with the obliques assisting as you curl upward and reach toward your heels. The hip flexors help isometrically to keep your thighs at the 90 degree angle against the wall. ### Why are the feet placed on the wall in this exercise? The wall fixes your legs in the bent-knee position so they do not drift, swing, or require constant effort to hold. This keeps the workload on your abs and makes the rep pattern consistent from start to finish. ### Is the 90 Degree Heel Touch Against Wall suitable for beginners? Yes, it is a friendly starting point because the wall supports the legs and the range of motion is short. Beginners should focus on lifting just the shoulder blades and feeling the abdomen contract rather than chasing height. ### How far from the wall should I position myself? Set up so both your hips and knees are bent close to 90 degrees, with your soles flat on the wall. If your knees press into your chest you are too close, and if your legs push hard into the wall or your lower back arches you are too far away. ### Should my hands actually touch my heels? Touching the heels is the target, but the exact reach depends on your torso length and abdominal strength. Curl as high as you can while keeping the movement smooth, and let the fingertips approach the heels without straining your neck to get there. ### Can I substitute this exercise if I do not have a clear wall space? Yes, a standard heel touch or crunch with feet flat on the floor and knees bent works similarly. The main difference is that the floor version gives slightly more stability support through the feet and may change how much the hips contribute. ### How many repetitions should I do? A practical range is 10 to 20 controlled reps, or 2 to 3 sets, adjusting for your training level. Because the range is short, prioritize a deliberate squeeze at the top over counting to a high number. ### Why do I feel this more in my neck than my abs? This usually means you are leading with your head or pulling on your neck with your hands. Keep the chin gently tucked and let the chest, not the chin, travel toward the thighs. ### Is it safe for my lower back? For most people, yes, when the lower back stays in contact with the floor and the movement is controlled. If you have a history of back problems or feel pain during the curl, shorten the range or consult a qualified professional before continuing.