There is pretty much nothing Leg Extensions will give you that other exercises won't. But the function of the quads is to extend the knee while playing a role in lower body physical movement (e.g. If you cannot complete 10 reps on the leg curl, your knee joint may be more vulnerable to injury. Leg extension. the Leg extensions are the main exercise in firming up the patellar ligament and quadriceps addition for the knee. patella knee graft in jul09. My thought was skipping leg extensions would support healthy knees, but honestly, I'm beginning to wonder if the strength increase in my leg curls is only adding to tighter (stronger) hamstring. They ignore that any load at all would carry the same risks due to the knee flexion. In the squat it occurs at the bottom of the motion (knee flexed) in the leg extension it occurs at the top (knee extended). It would seem odd that every gym would continue to have leg extension machines if they are really bad for your knees. Doctors give trusted, helpful answers on causes, diagnosis, symptoms, treatment, and more: Dr. Kent on leg extensions knee pain: R having pain from. However, I will say that in my own humble opinion, the cons do outweigh the pros in this situation. I suppose that the machine won't do big damage to the knees if we don't choose to use too much weight and choose to do it slowly each time. It took until about the three month mark where I didn’t need to worry about it multiple times a day. Knee extensions. Id say listen to your body. Nordic Curls are another good option. Though it looks like people have different opinions about it. There are a few cons to doing leg extensions as well, especially when you get to using very heavy weight. Find related exercises and variations along with expert tips Now, does everybody who does Leg Extensions wind up hurting themselves? The RES group trained knee‐extensors by performing dynamic leg‐press and leg‐extension exercises increasing from low (20 repetitions maximum (RM)) to high (8RM) resistance. When I hear crap like this, it makes me want to slap these dorks off a bridge. They'll help you get a pretty good quad stretch at the bottom, while emphasizing their shortened position at the top. I suffer from my knees, specially from the right one, and I always use that leg extension machine when I go to the gym. For the motion of running, a closed kinetic chain exercise is much more functional. If you have weak quadriceps, or if you want to improve the strength of your quadriceps, the leg extension will do precisely that.The question is, does that strength transfer to everyday activities and sports performance?It’s critics would contend that strength gained on this machine has no transfer to any task that doesn’t look exactly like a leg extension.It’s an assertion with no scientific basis whatsoever. Bad is in quotes because it should be taken with caution when used to describe an exercise. If you’re suffering knee pain, some of these basic exercises will be a good start towards rehabilitation, and gradually onto full recovery. Like a really high bridge that’ll cripple them out of the industry so they can’t regurgitate bad advice anymore. Knee Extension Exercise. This notion is supported by a recent study comparing EMG activities during single‐joint knee extension vs multi‐joint squat‐like leg press exercise. I don’t hear anybody saying we shouldn’t perform a split squat due to shear however. This can lead to cartilage damage. Leg extensions are tough on the knees! After that it's exercises with the feet on the floor. My knee used to bother me after running on the treadmill or heavy weight training (leg extensions), but since recently losing 50 lbs, all the knee pain is gone but my trainer had suggested it a while ago. Learn how to correctly do Arm and Leg Extension on Knees to target Core, Back with easy step-by-step expert video instruction. But as a performanceenhancement coach who gets a lot of corrective training projects, I'm more interested in risk-to-benefit ratio (maximize benefit and reduce the ris… Health and Fitness Status Not open for ... back hyperextensions too (that brings the legs into play), but that stuff doesn't seem to be hard on the knees. This will help you move easier and get back to doing the activities you enjoy. For people with good health, knee extension exercises can certainly help preventing injuries, while boosting your flexibility as well as overall lower body strength for better performance. If U don't know … My thought is that by adding leg extensions back into the split, I'll get some more workout at full extension, supporting a healthier hammy. The knee is one of the least stable joints after the shoulder joint. SociallyChallenged Elite. What is bad however, is locking your knees when using significant weight. #4 – Leg Extension. One of the guys who works there and helps people told me the machine is good for my knees. Excluding extenuating circumstances, like complication from a knee replacement, by far the hardest time to regain knee extension range of motion is after ACL surgery. In the last few degrees of extension, something called the 'knee-lock' or 'screw-home' mechanism occurs, and the leg is able to support the body weight despite the quads being completely relaxed. Last edited: Jan 11, 2013. Hyperextended knee occurs due to forced extension of the knee joint further than its usual range of motion. But heavy weights and improper form increase your risk of knee … New comments cannot be posted and votes cannot be cast, Discussion of physical fitness/exercise goals and how they can be achieved, Press J to jump to the feed. Here now are a few simple tips that may make leg extensions more knee-friendly… The leg extension offers an exercise that relies on torque to move a weight. Biomechanists call the squat "physiologic flexion" because it is a natural movement. Some trainees performed very heavy leg extensions and fitness magazines were filled with champions performing max-effort leg extensions. Press question mark to learn the rest of the keyboard shortcuts. What Are Leg Extensions? I've heard both. This Is The One Supplement You Should Be Taking For Better Health Save $90 On Home Chef Now To Crush Your New Year Resolution 3 Gut-busting Cardio Workouts to Start Strong in 2021 Now, this exercise is very beneficial if done with proper form but beginners should always receive guidance to ensure optimal knee safety during the movement. Perform hip extension to strengthen the hamstrings. Whilst doing a leg press exercise, do not bend your knees more than 90* Ideal leg press . I'm a firm believer that on an isolation exercise like that one should go for higher reps to total exhaustion rather than adding lots of weight. This exercise has possibly the highest PF load and is most likely to aggravate PFPS, despite this it can have a role. In particular, leg extension exercises help you build strength and muscle support for your knee. i had a lateral release and chondroplasty on my left knee on 5/20/16. Those that admit the shortcomings of the leg curl may try to temper them by using more reps. When you squat, the thickest part of the cartilage is loaded during the squat's maximum force. I tend to go for 17-20 reps with light weights but that's just me, If you have a knee problem, they may be bad for you. When your non-health science friends talk about the ‘leg’, they mean the entire lower extremity. Sit in a chair, with your back resting against the back of the chair. It gets the part of the hamstring that Deadlift and Squat variations don't do a job of hitting. I tore my acl and can't really squat properly so I've been using them frequently... Leg extensions are the first thing a Physio will tell you NOT to do with a torn ACL. I don’t know of any muscle building exercise out there that gets more blatant hate than the leg extension machine. Start with both legs, minimal load in pain free range. 6:19. The leg extension machine has been demonized in the fitness industry for the last two decades. These exercise attention on strengthening quad by yourself and, hence, strengthen key addon for the knee at an equivalent time. Posted in: Anterior Cruciate Ligament ( ACL ), Knee Pain, Meniscus Repair, Pain, Rehab ← “Help! The force you have to use to lock your knees when going against weight does too much stress to them. In fact, my knee pain has disappeared since lifting and losing a bunch of weight. Your leg muscles may feel weak after knee replacement surgery because you did not use them much with your knee problems. I decided to go anyway since I am 52 and have had knees used to crack when I was playing sports in high school. Can Quad Extensions Hurt the Knees? So if you're really focusing on your quads, leg extensions are the way to go. 10 reps 1 or 2 sets In fact it is extremely valuable and has applciation for almost any goal. Unfortunately, … There's no shortage of shitty personal trainers and Smith machines out there, so ... My physical therapist said she only uses them in the first couple visits after surgery when that's all the patient can handle. Avoid Leg Curls. There are many opinions on the web and elsewhere about the knee arthritis best exercise. Tagged: knee extension, knee pain, knee rehab. There are pros and cons to doing leg extensions. It is pretty much the only movement I know of that completely isolates the quad muscles. No. Pike leg extensions require little-to-no equipment and are a knee-friendly way to pump some blood into your quads. A single-joint movement that targets the quads, leg extensions (aka quad extensions) involve straightening the knee repeatedly under load. Leg Curls are good for your knee. While the quads are extending the knee, the weight is resting just on top of the ankle joint. Find related exercises and variations along with expert tips Yes, leg extensions are bad for your knee and ACL. Jan 12, 2013 #7 ... Facebook Twitter Reddit Tumblr WhatsApp Email Link. Mar 22, 2002 10,485 11 81. As a person with knee problems I am very careful on how much weights I have on that machine. But I am still not very sure about it. It is composed of several structures: Tibia; Fibula; Leg muscles; In this page, we will take a look at all of the above as well as the anatomy of the knee. Here is the deal with the leg extension machine, the reason it is portrayed as a “bad” exercise is because of the high torque levels produced at the knee especially at specific angles which the acl experiences the greatest shear force 15-30 degrees. and what machines to avoid in gym as not to increase knee pain ? I suffer from my knees, specially from the right one, and I always use that leg extension machine when I go to the gym. The leg extension is a popular way to train the quadriceps at the front of your knee. Bodyweight works just fine, but adding a band can give you the much needed quad activation you've been searching for. Leg extension (the movement, my the exercise) rarely acts this way. The candidates seem to break down into general categories of exercise for knee arthritis like aerobic exercise, weight training without bearing weight on the knee, and weights with placing weight on the knee. You can improve your knee health and overcome pain by strengthening your knees and their flexibility. FWIW: I've had bad knees almost my whole life due to childhood growth. Reddit; Email; Print; Related. But I am still not very sure about it. The leg extension became popular in the gyms. The xray showed minimal wear and tear, but also showed a couple of bone islands. The knee extension strengthens muscles in front of thigh and shin. The leg extension, or knee extension, is a type of strength training exercise.It’s an excellent move for strengthening your quadriceps, which are in the front of your upper legs. It really just doesn't feel correct in my knees. 3. Rationally speaking. But I also have preexisting knee problems and have avoided doing Leg Extensions. It may seem logical to make use of a certain exercise machine in an effort to target a particular muscle for collection. Dr. David Trettin … They try to make the best out of a bad yet unnecessary situation. leg extension exercises benefits. For the record, the exercise that has the potential to create the greatest shear force at the knee is the split squat. Here at SPY, we’ve already spoken about how much we like kettlebells for a variety of different fitness activities, so you’ll be happy to know the same can be said for the best leg extension exercises for men. It is pretty much the only movement I know of that completely isolates the quad muscles. It was something I needed to work on every hour of every day (not hyperbole), for the first 6 weeks after surgery. If you have issues with your knees, I really wouldn't use it, Edit: if your knees aren't quite as bad as mine, you might be okay to do low weight high volume on it though, You can do them with little damage to your knees if you go a very light weight and focus on the contraction of the muscle. 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