by Diane Spicer
Hiking and osteoarthritis: not a subject to ignore.
This type of arthritis is called "wear and tear", so it can be associated with older hikers.
It's a noninflammatory process, compared with rheumatoid arthritis.
If you're a twenty-something hiker, arthritis might seem like a topic you can safely put off until "later".
But think again about the possibility of hiking osteoarthritis.
Here's an example of why.
A recent review on the topic of hiking and osteoarthritis caught my eye because it connected knee injuries with developing osteoarthritis.
Ever injure your knee or ankle? Hmmm...
If you want to read it for yourself, the study was published in the journal Arthritis Research and Therapy: Prevention of injury-related knee osteoarthritis, 2010, 12:215 edition.
The researchers, Charles R. Ratzlaff and Matthew H. Liang, are employed by the School of Population & Public Health in Vancouver, British Columbia.
The authors declare no competing interests, meaning that they're not taking money from companies related to the diagnosis and treatment of arthritis.
Their research was funded by the Canadian Institutes of Health Research, but also by the Molson Foundation and the Michael Smith Foundation for Health Research.
I'll recap it for you below.
First, let's define our terms more specifically.
Osteoarthritis refers to wear-and-tear inflammation of the synovial (freely movable) joints of the body ("osteo" for bones, "arth" referring to joint, "itis" for inflammation).
The older your body gets, the more likely it is that you'll have this type of inflammation.
As a hiker, you bear weight by carrying a pack, plus put your knee cartilage through vigorous usage, on every hike, season after season.
This may result in overuse problems.
Body weight comes into the equation as well.
Carrying a few extra pounds in your pack, added to a few extra pounds on your skeletal frame (especially after a winter of inactivity), spells more work for your knee joints on the trail.
And if you tackle steep trails, even more work!
This increases the potential for knee damage, which could lead to inflamed knee joints over time.
Carry the lightest pack you can.
Be ruthless about your checklist, and toss out anything that does not serve you well on the trail.
More tips for lightening your load here.
The article mentioned above brings in one more factor:
In technical terms:
"Joint injury will increase a person's risk of developing knee osteoarthritis.
For example, research shows that 50% of anterior cruciate ligament (ACL) injuries or meniscal tears will develop knee osteoarthritis."
Ligaments hold bone to bone, and with a complicated and mobile joint like the knee, they seem a bit "under engineered" to me!
What do I mean?
Knees can go out of alignment, just as tires on a car do. This creates areas of "wear" on the cartilage (again, like tire tread fading with usage).
Add in one more component: muscular reaction to knee injury.
If your knee hurts, you're going to walk differently, and begin to lose strength in the muscles of that thigh and leg.
You'll also overload the other knee!
If the pain is chronic, the relationship between the nerves and the muscles will change, and put the injured knee joint at risk for increased loads and shear forces when a person is caught off guard - a lurch forward on a rocky trail, for example.
The authors of this research article counsel prevention of knee injury, especially for young athletes.
Our pelvic anatomy works against us here.
Compared with a male pelvis, a female pelvis is aligned in a wider stance.
This puts more pressure on our hip and knee joints.
More pressure means more wear and tear.
We also go through menopause, when hormones levels fluctuate and drop off dramatically. No one seems to know if that contributes to osteoarthritis, but studies are ongoing.
avoid osteoarthritis from side lining your hiking career, keep your
mobile, weight bearing knee joints protected and injury free.
To keep the knee cap (patella) tracking properly on a long hike, hikers of any age might want to try a flexible support like this one.
Regular non-weight bearing exercise for cross training your joints might help, too: swimming, stationary biking, yoga.
Trekking poles are important for preventing knee pain, and if you disagree, please read my ideas before you discard the idea entirely.
It's not shy, that's for sure.
You might begin to notice a few new, somewhat alarming sensations and sounds in your body as an early warning system.
Your knee might make crunching sounds, or your neck when you roll it from side to side could pop or crunch.
You might feel stiff when you get up out of a chair that has kept you immobile for long periods of time. This short term stiffness goes away once you move around a bit.
As time goes on, joint pain shows up to get your attention.
If you are hiking with diagnosed osteoarthritis, and/or have already had a few knee injuries, now what?
Search for your modifiable risk factors, and change them.
Here's an example:
Strength training has been noted as an important preventative measure by sports medicine physicians, because it stabilizes the joints to avoid soft tissue injury.
Wear only the best trail footwear.
Eat well to recover quickly from the micro-traumas of hiking.
Keep hydrated on the trail. Your connective tissues need water!
And when you receive lovely little postcards from your joints (twinges, pain, limitations on range of motion, for example), don't ignore them!
If you already have diagnosed osteoarthritis with predictable knee pain, functionality of all of the knee ligaments (not just the ACL) might be compromised.
It might be time for a knee brace.
I know, I know: They are ugly.
They are also supportive for all 4 knee ligaments, lightweight, breathable, ventilated, adjustable and washable.
So suck it up and put one on, or hang up your boots.
Also consider a good pair of cushioning, stabilizing hiking insoles.
(Tough love. You're welcome.)
Carry reusable gel packs if you know you're going to be hiking with access to cold running water or snow pack.
Alternatively, throw these in the freezer and bag them up just before setting off for the trail head.
Don't forget to stash one in a cooler in your car, waiting for you when you finish your hike.
Another thing you can do to manage the duo of hiking and osteoarthritis with a good attitude is to modify the trails you tackle.
To help you find appropriate hikes, use the hiking guide book series entitled "Creaky Knees".
Joint wear and tear is a fact of life for a hiker's body.
But by taking precautions and avoiding injury, your knees will be able to get you into the back country for a long, long time!
If you already have an annoying level of pain, talk with your health care provider about using over the counter (OTC) arthritis strength pain relief.
Hiking and osteoarthritis can co-exist. I know that for a fact!
And if I spot you on a trail in your knee brace, I'll be sure to stop and say hi as we compare brands ;)
Hiking and Osteoarthritis
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Photo credits: All photos on this website were taken by David Midkiff or Diane Spicer.
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