The knee is one of the most active joints in our body to accomplish everyday tasks. However, if you have a knee pain when straightening leg after sitting, then it is important to know what is behind it.
Knee pain when straightening leg after sitting is commonly occurred by structures around the joint. Either it caused by diseases such as arthritis, or external injuries.
As we ages, these structures are also having worn out along with the usage. In addition to unhealthy living and the bad environmental workplace is another factors as well.
When we talk about knee pain, the most common reason is due to an inflammation of the joint. Arthritis is one of the causes which is a condition where a particular joint get inflamed. The symptoms are included such as stiffness, throbbing pain especially when night time, and swelling around the joint.
What are the causes of a knee pain when straightening leg after sitting?
Depending on the symptoms, there are several causes of knee hurt when bending and straighten it. Some of them mainly from medical disease and others are from physical activity.
1. Knee Osteoarthritis
The human knee joint is a complex structure and it is a subject for doing heavy loads. Many people suffer from knee pain as a result of this type of Arthritis. Knee Osteoarthritis is the early worn-out of the knee joint, medically this is called as Gonarthrosis.
Due to inflammations, increasing age and stress, overweight, misalignments such as X-and O-legs, the cartilage in the joint becomes weary. When this happens, some part of the cartilage tissue dissolves and leads to pain.
The symptoms of osteoarthritis in the knee are accumulated. At the beginning of the knee osteoarthritis, there is a starting pain in the knee which is reported in the morning when standing up or straighten it after sleeping.
As long as the starting pain left untreated, the pain gradually increased.
2. Meniscus Cartilage Illness
The Menisci are two ring-shaped cartilages that lie on the side of the knee between the bones of the upper and lower thighs. They act as shock absorbers, which means they enlarge the support surface and reduce the friction between the bones.
The menisci allow a smooth, painless movement in the knee joint. At least as long as there are no cracks in the tissue, or meniscus rupture.
A meniscus rupture can have different causes. About half of all cases of meniscus injury are caused by a degeneration of the cartilage tissue. The other cases are caused by acute injuries, often with previously damaged meniscus by inflammation.
3. Chondromalacia Patellae
It is a pain syndrome which there is a cartilage damage on the kneecap. This illness is often caused by poor muscular balance, mostly due to physical activity by doing one-sided muscle usage of works or sports.
One-sided muscle extensive usage when doing high impact sports such as basketball, hockey and football improperly, can cause occasional overloading of the kneecap cartilage.
This results in corresponding pain and the affected cartilage area can be damaged by the overload stress. Certain congenital shape changes of the kneecap (Patelladysplasie) can favor the emergence of this disease.
4. Tendon and ligament injuries
The tendon is a fibrous tissue that attaches the end portion of the muscles to the bone. Injuries that happen to the tendon can occur by several causes especially when doing a sudden physical movement, heavy impact activity, injuries, extensive repetition works, and inflammation.
While ligaments are a fibrous tissue between bones to maintain the joints in a normal alignment. When the knee ligaments are overstretched, it resulting in a tear and lead to a pain in the knee either by bending or straightening it.
What therapy should I do?
There is home therapy for knee pain and the ingredients are easily found in your place.
- For physical causes by sports or work, compressing with an ice pack in the knee is the first you should do to alleviate the pain. It will reduce swelling and ache also to stimulate blood circulation in the joint
- Rest and avoid excessive moving
- Rub the inflamed area with pain reliever cream
- You can try using aloe vera gel as a topical medication
- Sleep with a pillow under your knee
- Over the counter medication like Ibuprofen and Tylenol should do the job for pain relief but not the swelling
In case a pain due to a physical activity, knee joint pain prevention you can do is always warm up before exercising. Also, do a cooling down after workouts.
Preventive ways to avoid knee pain
- Keep your weight balance. Obesity can cause additional stress to your knee, especially if it already weaken due to aging or knee injury.
- Do not exercise that putting extra pressure on your knee such as a barbell squat.
- Repetitive work which needs you to kneel or bending your legs overtime that cannot be avoided is another problem.
- The best way is sleep with a pillow under your kneecap to release the stress that accumulates during the day.
However, depending on the extent of the disease, the correction of the inward joint may be useful in case of a misalignment in order to delay the wear process. This operation is called a changeover osteotomy or meniscus refixation.
Contacting the medical doctor is the first thing you should do if you feel a doubt about your condition.
They may refer you to an orthopedic consultant if that is what you really need to do. The sooner you seek help, the better your chances of recovering from knee pain when straightening leg after sitting.
MedlinePlus: Knee pain