ALLERGY, RESPIRATORY
Overweight Moms More Likely to Have Asthmatic Kids
Climate Change Could Sting Allergy, Asthma Sufferers
Childhood Food Allergies on the Rise
ALTERNATIVE MEDICINE
Acupuncture May Ease Depression During Pregnancy
Massage Therapy Helps Those With Advanced Cancer
Placebo Acupuncture Tied to Higher IVF Pregnancies
ANIMAL CARE
'Comfort Dogs' Come to Emotional Rescue
Separation Anxiety, Canine-Style
Beware of Dog Bites
BONES & JOINTS
Fruits and Veggies May Strengthen Bones
Fractures in Older Adults Up Death Risk
Drinking Cuts Rheumatoid Arthritis Risk
CANCER
Herb May Counter Liver Damage From Chemo
Massage Therapy Helps Those With Advanced Cancer
Bitter Melon Extract May Slow, Stop Breast Cancer
CAREGIVING
When the Caregiver Becomes the Patient
Child's Food Allergies Take Toll on Family Plans
More Than 60,000 Patients Risked Hepatitis Infections
CIRCULATORY SYSTEM
Potassium-Rich Foods May Cut Stroke, Heart Disease Risk
Health Tip: Are You Anemic?
Secondhand Smoke Quickly Affects Blood Vessels
COSMETIC
Health Tip: After Liposuction
Mouse Study Finds Molecule That Tells Hair to Grow
Get Sugared!.... Its a sweet choice for hair removal
DENTAL, ORAL
Mom's Vitamin D Levels Affect Baby's Dental Health
Gum Care Helps Control Type 2 Diabetes and Its Complications
Gummy Bears Join Cavity Fight
DIABETES
'Standard' Glucose Test May Be Wrong One for Obese Children
Treatment for Type 2 Diabetes Updated
Whole Grains Take a Bite Out of Type 2 Diabetes Risk
DIET, NUTRITION
The Best Diet? That Depends on You
'Soda Tax' Wins Health Experts' Support
More Whole Grains May Mean Less Fat
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Walkable Neighborhoods Keep the Pounds Off
Hypertension May Hit Black Males Earlier
Cleaning House May Be Risky for Women With Asthma
EYE CARE, VISION
Americans Losing Sight of Eye Health
Contact Lens Cases Often Contaminated
Statin Drugs Cause Eye Disorders
FITNESS
'Safe' Ozone Levels May Not Be for Some
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
Exercise Extends Life of Kidney Patients
GASTROINTESTINAL PROBLEMS
New Yogurt May Ease Stomach Ulcers
Olive Oil May Protect Against Bowel Disease
Japanese Herbals May Ease Gastro Woes
GENERAL HEALTH
Hoping for a Happy Family Holiday? Here's How
Spread of Swine Flu in Japan Could Raise WHO Alert to Highest Level
Can You Talk Your Way to Happy?
HEAD & NECK
Ski Helmets Encouraged for All
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
E-Mailing Your Way to Healthier Habits
Subway Defibrillators Save Lives
'Comfort Dogs' Come to Emotional Rescue
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Western Diet Linked To Heart Disease, Metabolic Syndrome
Low Vitamin D Levels Linked to Heart Disease
Women Who Run May Benefit From Extra Folic Acid
INFECTIOUS DISEASE
Poor Restroom Cleaning Causes Cruise-Ship Sickness
Viral Infection Might Trigger High Blood Pressure
Dry Weather Boosts Odds of Flu Outbreaks
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Breast-Feeding May Protect a Woman's Heart
Teen Stress May Have Roots in First Three Years of Life
Dangerous Toys Still on Store Shelves, Report Finds
MEN'S HEALTH
Vigorous Exercise Cuts Stroke Risk for Men, Not Women
Low Vitamin D Levels May Boost Men's Heart Attack Risk
Strenuous Daily Workout May Keep Cancer at Bay
MENTAL HEALTH
Shop 'Til You Drop: You May Feel Better
Daily dose of beet juice promotes brain health in older adults
Meditation, Yoga Might Switch Off Stress Genes
PAIN
Are We Exercising Pain Away? Not So Much.
Acupuncture, Real or Fake, Eases Back Pain
Alleviating Rheumatoid Arthritis
PHYSICAL THERAPY
PREGNANCY
Exercise Boosts Bone Density in Breast-Feeding Moms
Yoga's Benefits Outweigh Risks for Pregnant Women
Pregnant Women Exposed To Certain Pollutants Could Lower Childs IQ
SENIORS
Common Antioxidant Might Slow Parkinson's
Boost In Elderly Population Will Be Felt Worldwide
Laughter Can Stimulate a Dull Appetite
SEXUAL HEALTH
SLEEP DISORDERS
Lose Weight, Sleep Apnea May Improve
Daylight Savings: Not a Bright Time for All
Sleeping Could Help Women Lose The Baby Fat
WOMEN'S HEALTH
Woman in America Are Delaying Motherhood, Study Says
Spice Compounds May Stem Tumor Growth
Exercise During Pregnancy Keeps Newborn Size Normal
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Exercise Key Player in Knee Replacement Recovery

WEDNESDAY, Feb. 4 (HealthDay News) -- Exercise may play a key role in helping people recover from total knee replacement and knee osteoarthritis (OA), two new studies show.

After receiving a total knee replacement, patients following a six-week progressive strengthening program showed much improvement in strength, function and pain when compared to those following the conventional care of inpatient rehabilitation and home physical therapy, according to a University of Delaware study published in the February issue of Arthritis Care & Research.

Those in the exercise program -- which consisted of sessions focused on knee extension, range of motion, kneecap mobility, quadriceps strength, pain control and gait two to three times a week -- also showed much greater strength in their quadriceps and functional performance than the other group a year after the program.

Half of those in the exercise group also received neuromuscular electrical stimulation, but the additional treatment didn't seem to have any further effect on the results.

"Our data suggest that individuals who do not undertake an intensive rehabilitation program following [total knee replacement] are clearly at a disadvantage," the authors concluded. "Failing to obtain adequate functional recovery may accelerate functional decline and predispose these individuals to an early loss of functional independence as they age."

The other study, published in the same issue of Arthritis Care & Research, found that people who engaged in activities with low muscle strength (such as light household work) or high mechanical strain (such as dancing or tennis) had a greater risk of developing knee osteoarthritis.

VU University Medical Center in Amsterdam based its findings on physical activity questionnaires filled out by almost 1,700 seniors throughout a 12-year period. The activities were scored for intensity, mechanical strain, turning action and muscle strength, then evaluated. The findings also took into account demographics, health and physical activity from earlier in life.

The authors noted a particular lack of a link between being overweight and mechanical strain to knee osteoarthritis.

"This finding could indicate that the higher risk of knee OA in obese persons may be explained by factors other than increased mechanical strain, and higher levels of physical activity may not negatively affect knee health in heavier respondents," the authors wrote.

The authors called for more research to determine the optimal amount of daily activity needed for healthy joints for each activity before using their findings to advise exercise routines for older adults.

More information

The U.S. Centers for Disease Control and Prevention has more about osteoarthritis.



-- Kevin McKeever



SOURCE: Wiley-Blackwell, news release, Jan. 29, 2009

Last Updated: Feb. 04, 2009

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