Why do I have left knee joint pain?

• Older individuals are more prone to falls and fractures. The incidence of ankle fractures in older patients is high and severe in some cases. The treatment is difficult and complicated in nature due to presence of comorbidities such as diabetes, obesity, hypertension and poor bone quality.
• Treatment goals include: Stability of the joint, ability of the patient to perform daily activities independently and minimizing complications associated with fracture and other comorbid conditions.

RICE is a part of the Non-operative management of ankle fracture in older patients which includes:

R: The importance of rest cannot be overstated. In order for the fracture to heal faster limit yourself from further pressure on the foot. 

A cast will most likely be worn to keep the foot and ankle immobile.  In case of severe soft tissue swelling, a cast may be required for the first three to five days. The brace must be worn for six weeks in order to allow the fracture to heal. Cast fixation with off-loading is advised for poor bone quality depending on the radiography report.  

Ice: For reducing the swelling and inflammation, apply ice to the region for 20 minutes at a time.

 And continue further for every 40 minutes.

Compression: Wrapping the area in a bandage helps to reduce swelling.

Elevation: To assist reduce inflammation, lift your foot and ankle slightly above the level of your heart.

If there are no complications post arthroscopic knee surgery then you can drive after 3 months.

When you have an ACL tear, it is because the ligament in your knee is overextended. In addition to resting and doing some light exercises, you should ice your knee. Although PRP or stem cell therapy could be useful for a speedy recovery, consulting with your healthcare provider on these treatments is the best way to determine the optimal care for your case. 

Looks like you're suffering from a lot of backache. Even though Lyrica and Neurontin kinds of drugs are being taken, back pain may worsen, and this may be a brand new problem or the deterioration of what used to be. You have to meet your doctor for a check-up to diagnose the cause of the recurrent pain. Sometimes, it is necessary to change your meds or use additional treatments to reduce the pain as much as possible. 

After the massaging of muscles, it's frequent to be struck by pain in your leg post-workout. This discomfort is often a result of the muscles becoming stronger. Sharp pain is an injury if you are unable to move the leg as usual. To help you, try resting, applying ice, and stretching gently.