A torn anterior cruciate ligament (ACL) in the knee can start a chain reaction of problems in that knee and leg. Recent research has suggested that an ACL injury can also cause problems in the other leg. Somehow a neurological response called the gamma loop becomes interrupted. The gamma loop controls normal muscle tension and assists in muscle activation--in this case, in the quadriceps muscles in the thigh. These authors studied quadriceps strength in two groups of people. One group had a torn ACL, and one group had healthy knees. The uninjured leg was tested in the group with the torn ACL. Quadriceps strength was tested. Then the subjects went through 20 minutes of vibrations to the leg. Vibrations are known to interfere with the gamma loop, causing decreased strength. As expected, the healthy group showed decreased strength after vibration. But the group with injured ACLs had no reduction in strength, a clear sign that the gamma loop was not working properly. No one is sure why the...
I have migraines that cause my face to go numb, both my legs to go weak and get pins and needles and burning sensations. I can have altered sensation in both my feet and legs at the same time, this usually only lasts for short periods of time but happens on and off with twitching in the numb areas. Sometimes this can make it difficult to walk. I can also get a tingling tongue. I also sometimes get stabbing eye pain. I never feel sick or light sensitive but I have stabbing like pains in my head, like an electrical bolt. I have had repeat brain MRI on a T3 machine which have been normal. I never usually get severe headache just more weird sensations in my head.
Can migraine cause both legs to go numb at the same time? Or both arms at the same time? I was told migraine is only one sided? I have had spinal MRI and this is normal too.
Thank you for any info. Cheers, Eleanor.
Although the headache and many of the other sy...
What do knee pain, loss of motion, and decreased muscle strength have in common? They're all symptoms of knee osteoarthritis. Osteoarthritis (OA) is a condition of joint and bone damage. Knee OA is found in many people over age 65. Exercises to reduce pain and improve strength and motion seem to help with knee OA. Physical therapists are always looking for new and better exercises to use. Knee OA causes some of the same problems as knee ligament injuries. For example, patients may feel that the knee will "give way" or buckle during daily activities. They may also feel that the knee joint is "slipping." Physical therapists tried using an exercise program for ligament injury to help a patient with OA. A 73-year-old woman with mild knee OA in both legs agreed to try this program. The program worked on two things: balance and agility. Agility is the ability to move quickly and easily. This helps the knee handle sudden changes in direction and twisting movements. Balance helps keep the knee...
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