When I do my strengthening exercises, should I be training for large, bulky muscles, or smaller muscles for endurance?
Safely strengthening the muscles around painful joints is one of the best ways to alleviate joint pain and keep the pain from returning. In fact, keeping muscles strong and flexible is one of the best ways to keep joint pain from occurring in the first place. The question posed at the top of this blog belies an understanding that there are different types of muscle fibers in a muscle.
There are in fact two important types of skeletal muscle:
Type I muscle fibers is also called "slow-twitch" muscle. It is composed of small fibers. Type I muscle is used to carry light loads over long distances. A marathon runner has an abundance of type I muscle fibers. Picture the marathon runner - lean and toned. Type II muscle fibers are also called "fast-twitch" muscle fibers. Type II muscles are large and used for lifting heavy loads. Type II muscles are powerful bu...
Alternative Names Muscular dystrophy - limb-girdle type (LGMD) Symptoms Typically, the first sign is pelvic muscle weakness (difficulty standing from a sitting position without using the arms, difficulty climbing stairs). The weakness starts in childhood to young adulthood. Other symptoms include: Abnormal, sometimes waddling, walk Joints that are fixed in a contracted position (late in the disease) Large and muscular-looking calves (pseudohypertrophy), which are not actually strong Loss of muscle mass, thinning of certain body parts Low back pain Palpitations or passing-out spells Shoulder weakness Weakness of the muscles in the face (later in the disease) Weakness in the muscles of the lower legs, feet, lower arms, and hands (later in the disease) Signs and tests Blood creatine kinase levels DNA testing Echocardiogram or ECG Electromyogram (EMG) testing Muscle biopsy
Are you 55 years old or older and still pain free? Chances are you have osteoarthritis and don't know it. X-rays show arthritic changes in eight out of every 10 adults age 55 and older. Knees, hips, and spines are affected most, in that order. Older adults with leg pain may have arthritic changes in both the hip and spine. They sometimes have a total hip replacement (THR) only to develop groin and buttock pain next. Or suddenly they have muscle weakness that isn't related to the THR. In these cases, lumbar spinal stenosis (LSS) may be the problem. LSS occurs when age-related changes narrow the canal where the spinal cord and nerves travel. Bone spurs, thickened ligaments, and worn-down joints are just some of the changes leading to LSS. These doctors from Baylor College of Medicine offer other orthopedic surgeons some guidance. They say that when a patient with a recent THR has severe pain after the operation, look for infection, an unstable implant, or LSS. Location of the pain is a key...
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