March 07, 2018 2 min read
[Last Edited: 08/10/20]
If your knee has been getting stuck or you're experiencing difficulty moving your knee and getting the full range of movement you could have a problem or injury to your cartilage.
Cartilage in the knee is referred to as the meniscus. There are two rims of the cartilage of the tibia that are shaped like horseshoes, they are wedge-shaped too like the edge of a cycling velodrome. Once you have that mental picture you can see how the femoral condyles (think big knuckles) sit in these horseshoes for shock absorbency, stability and movement. Whether the knee is bending or straightening, the condyles must be able to glide over the meniscus surface to create the movement.
Falls, sporting injuries and twisting can cause tears in the cartilage or the surfaces can become rough over time with ageing. These changes to the surface of the meniscus means that the movement of the joint can become limited. It can often feel like a free movement suddenly becomes stuck or blocked. You may find you even have to grab your leg to free it up or move into a different position for the movement to continue. Tears in the surface of the meniscus get in the way and stop the gliding motion of the joint.
Knee movement can also be blocked by 'loose bodies’ in the knee joint, floating in the synovial joint fluid (natural joint lubrication). This can happen from injuries, where something has torn and left floating free whether from the meniscus or from patella cartilage or even something else in the joint. Once floating around they can interior the smooth movement and so blocking or knee locking can be more intermittent or occasional.
With the knee movement locking, exercises can improve joint flexibility and reduce the locking frequency. Alternatively, a keyhole surgery can be performed to clear the debris and loose bodies in the joint restoring unblocked movement and normal activity. If the knee hasn't been able to move through its normal range in some time it may be that other structures (muscles and tendons) may have tightened up, people can also experience change to their walking habits so they limp or do things differently. It can take quite a bit of practice to get this back to normal again.
The knee can lock or feel stuck and this can be reduced and relieved by regularly wearing support when doing activities like walking and climbing stairs. If you have been affected by locking of the knee take action immediately to prevent the condition worsening.
A strong all-rounder, the Essential Wellness 'M-Brace Me' knee support is designed to provide a bracing effect, thus taking some of the strain of ligaments and tendons within the knee. A variety of common knee conditions can benefit from this bracing effect, such as arthritis, tendonitis and certain cartilage tears.
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