ALLERGY, RESPIRATORY
Combating Myths About Seasonal Allergies
Climate Change Could Sting Allergy, Asthma Sufferers
Molecule in Skin May Link Eczema and Asthma
ALTERNATIVE MEDICINE
Pain-Relieving Powers of Acupuncture Unclear
Garlic Yields Up Its Health Secret
The Zen Way to Pain Relief
ANIMAL CARE
Separation Anxiety, Canine-Style
'Comfort Dogs' Come to Emotional Rescue
Beware of Dog Bites
BONES & JOINTS
Health Tip: Back Pain in Children
Active Young Women Need Calcium, Vitamin D
New Clues to How Fish Oils Help Arthritis Patients
CANCER
Exercise Cuts Lung Cancer Risk in Ex-Smokers by 45%
Papaya Could Be a Cancer Fighter
Green Tea Compound Slowed Chronic Lymphocytic Leukemia
CAREGIVING
Preventing Shaken Baby Syndrome
Caregiving May Lengthen Life
Acute Respiratory Distress Syndrome as Deadly as Ever
CIRCULATORY SYSTEM
Firefighters Have Narrower-Than-Normal Arteries, Study Finds
Drink a Little Wine, Live a Little Longer
Obesity Linked to Heart Failure Risk
COSMETIC
With Psoriasis, the Internet May Offer Hope
Study Evaluates Laser Therapies for Hair Removal
Mouse Study Finds Molecule That Tells Hair to Grow
DENTAL, ORAL
Holistic Dentistry-My View
Good Oral Hygiene May Protect Against Heart Infections
Hormones May Be to Blame for Women's Cavity Rates
DIABETES
Spices, Herbs Boost Health for Diabetics
Strict Blood Sugar Lowering Won't Ease Diabetes Heart Risk
Red-Grape Compound May Improve Diabetes
DIET, NUTRITION
Lose Weight, Sleep Apnea May Improve
Is Your Refrigerator Getting Enough Attention For Your Raw Food Success?
Healthy Eating While On Vacation
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Cats Can Trigger Eczema in Some Infants
Arsenic in Drinking Water Raises Diabetes Risk
Population-Based Strategy Urged to Cut U.S. Obesity Rate
EYE CARE, VISION
Kids Who Spend More Time Outdoors Have Better Vision
Protein Might One Day Prevent Blindness
Nearly 18 Million Will Have Macular Degeneration by 2050
FITNESS
Brisk Walk Can Help Leave Common Cold Behind
Eating Well And Keeping Active As You Grow Old Will Help You Stay Sharp
Be Healthy, Spend Less
GASTROINTESTINAL PROBLEMS
Traditional Nonsurgical GERD Treatments Not Impressive
New Guidelines Issued for Management of IBS
Gum Chewing May Speed Colon Surgery Recovery
GENERAL HEALTH
Spot light on Dani Antman New Lionheart teacher
Want Sun Protection? Wear Red or Blue
Lose Weight, Sleep Apnea May Improve
HEAD & NECK
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
HEALTH & TECHNOLOGY
Combating Myths About Seasonal Allergies
Imaging Sheds Light on How Acupuncture Works
Save Your Aging Brain, Try Surfing The Web
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Brown Rice Tied to Better Heart Health in Study
An Apple a Day May Help Keep Heart Disease Away
Walk Long, Slow and Often to Help the Heart
INFECTIOUS DISEASE
Chinese 'Devil Dung' Plant Could Be a Swine Flu Fighter
The HPV Vaccine: Preventative Medicine or Human Sacrifice?
Older Adults May Have Some Immunity to Swine Flu
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Bullying Seems to Affect Kids Years Later
Mom and Baby Alike May Benefit From Exercise
Quick Orthopedic Repair Can Save Young Shoulders
MEN'S HEALTH
Exercise May Prevent Prostate Cancer: Study Shows
Physical Activity May Prolong Survival After Colon Cancer
More Vitamin C May Mean Less Chance of Gout
MENTAL HEALTH
Reminiscing Helps Build Emotional Strength
How to Attack Holiday Stress Head-On
Consciousness Helps the Mind and Body Work Together
PAIN
Are We Exercising Pain Away? Not So Much.
'Cell Phone Elbow' -- A New Ill for the Wired Age
Alleviating Rheumatoid Arthritis
PHYSICAL THERAPY
PREGNANCY
For Baby and Mom Alike, Breast-Feeding May Be Best
Obesity May Affect Fertility in Young Womene
Pregnant Women Exposed To Certain Pollutants Could Lower Childs IQ
SENIORS
Memory Loss Help from Brain Supplement Prevagen
Fitness Fades Fast After 45
Community Exercise Programs Boost Seniors' Strength
SEXUAL HEALTH
SLEEP DISORDERS
Moderate Aerobics May Ease Insomnia Symptoms
Meditation May Help Put Primary Insomnia to Bed
Daylight Savings: Not a Bright Time for All
WOMEN'S HEALTH
Bitter Melon Extract May Slow, Stop Breast Cancer
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
Lifting Weights Can Ease Arm Swelling in Breast Cancer Survivors
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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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