what is the difference between fibromyalgia and polymyalgia rheumatica?

Knee crepitus can be from multiple causes. Painless crepitus can be ignored. So, I won't advice for crepitus knee treatment as such.. Crepitus from knee cap problems can be cured with hip and knee strengthening. Crepitus from cartilage irregularities or loose pieces often need minor keyhole surgery. Painful crepitus from arthritis is initially treated with physical therapy and surgery when therapy stops helping. 

Your mom may have peripheral edema, which can cause swelling in her legs. For example, sitting still for too long can cause fluid to accumulate in her legs, leading to swelling. This happens because sitting reduces blood circulation. When she's at home and moving around, the swelling reduces because movement helps the fluid flow back up. Encouraging her to take short walks or do leg exercises while at the shop can help reduce the swelling.

I'M sorry to hear about your son's injury . First, stop any bleeding with gentle pressure.... Apply a cold compress to reduce swelling.. Visit a doctor to rule out any broken bones. Follow any instructions for medication and rest. Avoid putting weight on the INJURED leg. MonitoR for signs of infection, like REDNESS or fever. Contact the doctor if symptoms worsen or persist....

The cramp or spasm can happen sue to muscle fatigue or overuse, especially if you engage in activities that strain your calf muscles, such as running or excessive exercise. 

A possible foot or ankle­ injury during rugby is concerning. Broken bones ofte­n cause pain, swelling, bruises, and trouble­ moving the affected are­a. If suspecting a break, rest it and apply ice­, avoiding weight on that limb. Seeking prompt me­dical care for an X-ray and proper treatme­nt proves crucial for proper healing.