knee Pain And Soreness, Anatomy, Symptoms and Causes


knee Pain And Soreness

Anyone at any age can experience knee pain and soreness, it’s almost like having a headache or a common back pain. The knee should be examined thoroughly and any required x-rays or MRI should be done to get the exact diagnosis of the problem and therefore treating it right.


Knee Bone Anatomy

The knee joint is the strongest and most complex joints in our bodies and in order to understand the knee anatomy in a simple understandable way for novice people,

let’s see what does the knee bone consists of:

  • Three bones connected together to form the knee joint, femur (thigh bone), tibia and patella (the two bones forming the lower leg bones).
  • Hyaline cartilage,  a very smooth surface, protecting the knee joint from damage.
  • Meniscus, which is a layer of rubbery fibro cartilage, acts as a shock absorbent.
  • Joint capsule, provide lubrication and strength.
  • Ligaments holds the knee in place.
  • Synovial fluids.
  • Bursae, pockets containing synovial fluids, help cushion and protect the knee from friction.


9 indication usually accompanied with the knee pain and soreness

  • Swelling.
  • Stiffness.
  • Weakness.
  • Redness.
  • Crunching sound.
  • Instability (give out knee).
  • Warm to the touch knee.
  • Inability to fully straighten your knee.
  • Fever.

If you experienced any of the previous symptoms alone or combined with other painful symptoms, do not hesitate to see a physician as soon as possible.


Major Causes Of Knee Pain And Soreness

  • Injuries:

There are 5 different types of injuries that might affect your joint’s mobility causing your knee pain

  • Fractures:

Any broken part of the knee bone in an accident or by falling hard on the ground can easily injure your knee joint causing severe knee pains that can even persist for several days.

  • A torn meniscus (any torn parts in the rubbery cartilage):
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It can be caused by twisting or overloading on your knee the while carrying heavy any heavy loads.

  • ACL injury: (Anterior cruciate ligament injury):

It’s one of the ligaments that connect the lower leg bones and the thigh bone together, it’s also called cross ligament and it’s  most common to happen to football players or any other sports that require running

it’s caused by any sudden movements or sometimes caused by any type of collision that causes the ligament to tear.

A kind of inflammation of one or more of tendons that attach muscles to the knee bone, it’s common in athletes playing jumping-based sports.

  • Knee bursitis:

Bursae are small pockets cushioning the outside of your knee joint and preventing friction of the knee bones if any of these bursa pockets gets inflamed, then the friction and the lack of lubricant to the knee joints will definitely cause knee pain.


  • knee pain and soreness from arthritis:

Arthritis is a case in which body joints are inflamed, arthritis is of 100+ kinds, some of them affects the knee joint such as:

  • Rheumatoid arthritis:

Is one of the most dangerous types of arthritis, as it’s an autoimmune disease that can affect any joint in your body, including the knee joint and it isn’t treated easily.

  • Osteoarthritis:

It’s one of the most common types of arthritis affecting the knee joint, kind of devaluation due to overloading of the joint as the cartilage in your knee might get deteriorated especially with age, causing knee pain.

  • Septic arthritis:
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It’s sometimes accompanied by a fever, swelling, knee pain and redness and it happens due to an infection in the knee joint.


  • Gout in the knee:

It happens when uric acid crystals accumulate in the knee joint, this is caused either by high-protein foods like red meats and beans or by consuming some types of high-fructose drinks, as the kidney becomes incapable of processing such nutrients causing your body’s PH to becoming unstable.

  • Pseudogout:

It’s occasionally mistaken for gout, it’s a kind of calcium crystals build up in the joint fluid, it can also affect other joints at the same time.


  • A mechanical problem in the knee joints causing knee pain and soreness

  • Knee joint dislocation:

Which requires a great force to relocate the knee joint back to its place.

  • Dislocated kneecap:

It happens when patella slips out of its place.


  • Sprains and strains:

When a tendon or a knee muscle is stretched to the level it’s torn.


  • Hip or foot pain:

Having an injured foot or hip means that the knee is supposed to carry more weight on its own which will eventually affect your proper walk causing your knee pain.

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