Step 2Keeping dumbbells close to body, bend at knees and slowly lower dumbbells toward floor. Step 3Contract hamstrings and glutes as you straighten out your legs and return to starting position. For more great exercises to improve your strength and fitness, check out: 1  Total Body Workout Routine. 2  Warm-Up Exercises.
Polyarthritis is any type of arthritis that involves 5 or more joints simultaneously. It is usually associated with autoimmune conditions and may be experienced at any age and is not gender specific.olyarthritis is most often caused by an auto-immune disorder such as rheumatoid arthritis, amyloidosis, psoriatic arthritis, and lupus erythematosus but can also be caused by infection with an alphavirus such as chikungunya virus and Ross River virus. This condition is termed alphavirus polyarthritis syndrome.
Polyarteritis nodosa (PAN) is a condition that causes swollen arteries. It primarily affects small and medium-sized arteries, which can become inflamed or damaged.This is a serious disease of the blood vessels caused by an immune system malfunction.Ongoing treatment is crucial for survival, and there is a risk of serious complications for patients who donât seek medical care.t primarily affects small and medium-sized arteries, which can become inflamed or damaged. This is a serious disease of the blood vessels caused by an immune system malfunction. Ongoing treatment is crucial for survival, and there is a risk of serious complications for patients who donât seek medical care.