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.
Polymyalgia rheumatica (PMR) is an inflammatory disorder typically seen in older adults that causes widespread aching, stiffness and flu-like symptoms.It is more common in women than men, and is seen more often in Caucasians than any other race.MR may also occur with another serious condition called giant cell arteritis (also known as temporal arteritis), which can be dangerous. Headaches -- particularly on the side of the head -- scalp tenderness, vision changes or jaw pain when eating can be signs of this condition. PMR can be hard to diagnose.