When you squat, the thickest part of the cartilage is loaded during the squat's maximum force. While the quads are extending the knee, the weight is resting just on top of the ankle joint. okay thanks, did they have anything to say about these machines https://vuthasurf.com/wp-content/uploads/2015/08/Leg-Extension-Machines-10.jpg ? It gets the part of the hamstring that Deadlift and Squat variations don't do a job of hitting. For one, your ACL is under constant pressure throughout the movement, so if you've ever had an ACL injury I would say to avoid Leg Extensions. I have been guilty of doing these and training others on these before knowing the risks versus the rewards! The leg extension is a popular way to train the quadriceps at the front of your knee. Not to mention squats, lunges, split squats, leg press, and other compound lifts work your quads better. But I am still not very sure about it. Leg Extensions The leg extension is a contra-indicated exercise that completely destroys the knees. Squats are the king of compound leg-building exercises and you can really load up the weight for mass and strength gains. It is pretty much the only movement I know of that completely isolates the quad muscles. 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. Doctors give trusted, helpful answers on causes, diagnosis, symptoms, treatment, and more: Dr. Kent on leg extensions knee pain: R having pain from. But unfortunately, a knee extension muscle is not ideal to be used in this concern Performing a weighted, seated, leg extension is a common mistake that I hear runners making in an effort to strengthen their knee. Find related exercises and variations along with expert tips It is pretty much the only movement I know of that completely isolates the quad muscles. i have knee pain, bend to 87 and extension to 10 and little weight bearing. Working your legs is a critical part of any fitness routine, as it helps to balance your frame and actually helps to build other muscles throughout your body. Knee extensions. According to these dorks, the leg extension is non-functional because nobody moves that way in real life and apparently the torque from the machine will grind your knee joint into a million pieces. It really just doesn't feel correct in my knees. I can’t straighten my knee!” Starting a business- it ain’t that bad (especially healthcare ones) → About the author. I'm new to this sub so I'm not sure what those terms mean, 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. Anyway, lots of pressure that isn't naturally occurring. Rationally speaking. Nordic Curls are another good option. The knee extension strengthens muscles in front of thigh and shin. I don’t hear anybody saying we shouldn’t perform a split squat due to shear however. You can also perform quad extensions at home with a resistance band or just your body weight. 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. Like a really high bridge that’ll cripple them out of the industry so they can’t regurgitate bad advice anymore. leg extension exercises benefits. Avoid Leg Curls. 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. Honestly I've been doing them the past few weeks to burn out my quads after leg day, but tonight I had to stop. While Leg extensions, on the other hand, work on back of your leg, strengthens the quadriceps muscle around the thigh area. When extending your knees, the weight puts a posterior strain on your knee joint. the Leg extensions are the main exercise in firming up the patellar ligament and quadriceps addition for the knee. Use blood flow restriction training to increase its efficacy by creating cumulative stress in the muscle using less weigh. The pain in the knees isn’t always but frequently halted from a weak muscle that supports and supports the knee. 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. There are a few cons to doing leg extensions as well, especially when you get to using very heavy weight. Strength in the muscles around a damaged knee or hip can help support that joint by taking over some of its responsibilities. It's actually pretty easy to round your lower back on leg press, which is bad. SociallyChallenged Elite. Mar 22, 2002 10,485 11 81. I've heard both. The xray showed minimal wear and tear, but also showed a couple of bone islands. patella knee graft in jul09. If you’re suffering knee pain, some of these basic exercises will be a good start towards rehabilitation, and gradually onto full recovery. 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. On the trailing leg. i had a lateral release and chondroplasty on my left knee on 5/20/16. When I hear crap like this, it makes me want to slap these dorks off a bridge. Dr. Peter Ihle answered. However, once the patellar cartilage is worn down enough, all leg training becomes difficult. In fact it is extremely valuable and has applciation for almost any goal. 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. But heavy weights and improper form increase your risk of knee injury. Press question mark to learn the rest of the keyboard shortcuts. A single-joint movement that targets the quads, leg extensions (aka quad extensions) involve straightening the knee repeatedly under load. I've been lifting regularly for about 6 months, doing leg extensions at least once a week (heavy weight for 10-12 reps) and have not felt any knee pain at all. Leg extensions are a potentially dangerous exercise because when only the shin is in motion, the exercise draws the patella back onto the femur increasing joint compression forces, which can damage the connective tissue and the ligaments supporting the knee joint. Yes, leg extensions are bad for your knee and ACL. Sit in a chair, with your back resting against the back of the chair. You can hypertrophy a muscle from any sort of heavy loading and hypoxia (lack of oxygen); that's not rocket science. Leg extension (the movement, my the exercise) rarely acts this way. Knee Extension Exercise. When your non-health science friends talk about the ‘leg’, they mean the entire lower extremity. Whether you have dedicated weights or just want to use your body, there are a number of different ways to make a leg extension workout work for you. The more weight you use, the higher chance you have of sustaining some sort of knee injury. If you have knee problems, I would suggest not doing Leg Extensions before speaking with a doctor. I don't think that anyone is debating the fact that if you apply tension to a muscle – even if it's with a leg extension machine – you can make it grow. However, I will say that in my own humble opinion, the cons do outweigh the pros in this situation. I mentioned in an above comment, but doing single leg presses will help with that if it's an issue for you. Pike leg extensions require little-to-no equipment and are a knee-friendly way to pump some blood into your quads. 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. There's multiple causes of knee pain, & 2 answer the question, please say what the pathology is. Biomechanists call the squat "physiologic flexion" because it is a natural movement. 10 reps 1 or 2 sets Why: Scientists looked at muscle activat Want to know WHY Leg Extensions Hurt??? The group found that all three parameters were greater with leg extension exercises at 0 and 30 degrees of knee flexion – the most "functional" ranges of motion in early rehabilitation cases. Leg extension. They are bad when done too heavy but they are also used in rehab. But I am still not very sure about it. Return to the starting position and repeat the movement. If you're doing them, do higher reps (15-20). 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. hi so I've started working out again and I hear that leg extension machines like this http://build-muscle-101.com/wp-content/uploads/2014/12/Leg-Extension.jpg are bad for your knees, is this true? The WBV group performed unloaded static and dynamic knee‐extensor exercises on a vibration platform, which provokes reflexive muscle activity. If leg extensions, sissy squats, and such are out of the question, these are a good alternative. uhhh my physiotherapist told me to do them for my knee rehab, I’ve heard a lot of people say that it is indeed bad for the knees, but I’ve also seen people who lift for a long time and incorporate leg extensions into their leg workout. It is important to keep the following in mind though: 1. Though it looks like people have different opinions about it. #4 – Leg Extension. This exercise has possibly the highest PF load and is most likely to aggravate PFPS, despite this it can have a role. What Are Leg Extensions? They'll help you get a pretty good quad stretch at the bottom, while emphasizing their shortened position at the top. 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. Tagged: knee extension, knee pain, knee rehab. Oh fuck I didn't know they were bad for your knees. - - - This does NOT mean that the leg extension is a bad exercise. A 21-year-old male asked: does leg extension exercise bad for knees ? The main issue with leg ext is it preferentially targets the rectus femoris, which feeds into the quad tendon and patella. In particular, leg extension exercises help you build strength and muscle support for your knee. 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. On one side I hear people claiming that Leg Extensions are a nightmare for the knee and on the other side people that swear by them. Those that admit the shortcomings of the leg curl may try to temper them by using more reps. Engage your core and lift one knee up toward the ceiling, then straighten your leg to extend it forward. Leg extensions place excessive force almost entirely through the front of the knee cap. It would only be bad with bad form.Although, leg extensions are inferior to the likes of Leg Press, it is extremely useful for Push-Pull* splits. But heavy weights and improper form increase your risk of knee injury. How To Do Leg Extensions WITHOUT Hurting Your Knees. I suffer from my knees, specially from the right one, and I always use that leg extension machine when I go to the gym. Do 3 sets of 10 on each leg for at least two or three weeks before moving on to a lower chair or object. and what machines to avoid in gym as not to increase knee pain ? Otherwise I would use a leg press machine. No. They try to make the best out of a bad yet unnecessary situation. Press question mark to learn the rest of the keyboard shortcuts, http://build-muscle-101.com/wp-content/uploads/2014/12/Leg-Extension.jpg, https://vuthasurf.com/wp-content/uploads/2015/08/Leg-Extension-Machines-10.jpg. knee popping and catching every leg extension and step i take? It destroys the kneecaps because that compressive force that happens on them every time you are in this positio To reduce some of the negative effects. Squat with your standing leg until the knee of your trailing leg almost touches the floor. This lock-back or screw-home cannot properly occur if there is an extension lag, that is, if the last few degrees of extension are missing. There are many opinions on the web and elsewhere about the knee arthritis best exercise. Leg Curls are good for your knee. 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. So if you're really focusing on your quads, leg extensions are the way to go. I decided to go anyway since I am 52 and have had knees used to crack when I was playing sports in high school. This might be just moving the knees from 90° flexed to 60° flexed initially then progressing to fully straightening the knee. I suffer from my knees, specially from the right one, and I always use that leg extension machine when I go to the gym. Stick … Leg extensions are tough on the knees! leg extension knee pain. Depends on how much weight you put on. You can improve your knee health and overcome pain by strengthening your knees and their flexibility. Closed chain exercises are way better than open chain for your knees. cuz I was born with a bad left knee and I don't want to make it any worse. Leg Extensions are bad. The knee is one of the least stable joints after the shoulder joint. I don't know about scientifically, but I know that I have bad knees and feel like they're going to die when I use this. Perform hip extension to strengthen the hamstrings. There is pretty much nothing Leg Extensions will give you that other exercises won't. 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. There are pros and cons to doing leg extensions. Any loss of extension is a problem. If you want to do them, do them very sparingly since you have bad knees. Standard lunges cause knee pain for many. But then again they are often used as a rehab exercise because you are able to more or less isolate the vastus medialis obliqus, which help hold the patella in place (not sure how you guys write those things in English). Running is hard on the knees. Find related exercises and variations along with expert tips However, in the world of anatomy, the ‘leg’ strictly means the portion between the knee and the ankle joints. FWIW: I've had bad knees almost my whole life due to childhood growth. 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