Why do I have muscle weakness and swelling in my legs?

If you have any bruising and are worried about infection there are some things to look out for. An infected bruise may become more swollen, red, warm, or painful. If you notice these signs then it could be infected. Gently clean the bruise, apply a clean dressing, and keep an eye on it. If in doubt, get it looked at. 

Left arm pain can have various sources, including injury or oversuse and underlying diseases like cardiovascular disorders or arthritis. You should rather seek a medial opinion of an orthopedist to diagnose the source and take care for your pain.

You're dealing with significant lower back pain, which can be caused by muscle strain, a bulging disc, or poor posture. This pain might feel sharp, dull, or achy, making it hard to move. To ease the discomfort, try gentle stretching, applying ice or heat, and taking over-the-counter pain relievers.

Stabbing pain in the knee can be due to many reasons. It could be ligament or meniscus injuries to inflammation or other medical conditions. Get it examined with an orthopedic for proper evaluation and treatment if required.

Back pain comes and goe­s. But hurting for years is very bad. It might mean you have­ muscles that are tight or weak. Poor posture­ or not exercising can cause this proble­m. Also, sit and stand up straight. Going to a physical the­rapist can give you exercise­s to make it better.

Avascular necrosis (AVN) is a condition in which the blood supply to the bone is disrupted causing the bone tissue to die. Treatment for AVN depends on the stage of the condition and the location of the affected bone. Its advisable to consult with an orthopedic surgeon for treatment options. The doctor may recommend physical therapy, medication, or surgery depending on the severity of the condition.

Your mom has deve­loped bedsores. Sore­s that hurt on her hips and tailbone. They occur when some­one stays still too long. These re­d, aching spots form from pressure. Not shifting positions freque­ntly causes them. Hard surfaces e­nable bedsores' formation too. Poor circulation is anothe­r factor. To heal bedsores, follow ste­ps. Help your mom change positions regularly. Ke­ep affected re­gions dry, clean. Use cushions or pads. They re­duce pressure on sore­s.

You seem to have back pain and trouble bending. It could result from any number of factors, such as a muscle strain or back trauma. To correctly be diagnosed and treated for your condition, I would suggest that you visit an orthopedic physician.