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Rucksack - July 1997

Volume 36 Number 6

Gus Bush Editor



    We Carry Everything We Need
    And More

As we start out for a day of hiking, climbing or searching we carry everything we need and more in our backpacks. We carry the medicine cabinet, i.e. sunblock, foot powder, insect repellent, aspirin and a comb. The kitchen cabinet i.e. food, stove, pots and pans and snacks. And of course lets not forget the utility closet i.e. map and compass. knife, flashlight or candles and all of the ten essentials. Some of us even try to carry the kitchen sink, at least that's what it felt like the last time I lifted Pat's backpack.

If you properly selected and fit your backpack this load shouldn't be too hard to carry. The harness padding should not be too hard or soft. Standing at the trailhead a soft harness feels great, but a few miles down the trail you may wish for a harder version. A large pack should also have lift straps to transfer the load to the hips. And a hipbelt should feel comfortable but have enough rigidity to support the load. The three main areas of your body that help carry this load are your back, shoulders and hips.

BACK
Eight out of ten Americans between the ages of 25 and 45, even the most fitness- minded of us will experience back pain. It could vary between an annoying ache or an intense pain, however; when it comes to back pain it's very difficult to pinpoint the exact cause. As man has evolved over the millennia to an upright posture it has caused the lumbar (or lower back) to bear most of the weight of this evolving posture. The fact that man has been carrying things on his back since the stone age has led to back injuries being one of the most common in the anthropological record.

As climbers, hikers and rescuers we carry everything we need on our backs so our risk of back injuries increases. The three most common problems are disk injury, joint injury (sprains) and muscle or soft tissue injury (strains). From your head to your tail bone your spine consists of 33 roughly cylindrical bones called vertebrae. They are separated by fibrous rings with jelly-like middles called intervertebral disks. This amazing setup allows you to bend and rotate from your neck to your hips. The main disadvantage is there is no large bone to act as an anchor, so if one joint or disk gets injured the whole system goes out of whack. Soft tissue injury is caused by injury to the muscles that support your spine and usually manifest themselves as aching muscles or muscle spasms.

SHOULDER
Most shoulder injuries consist of separations, dislocation, subluxation or tendinitis and bursitis. When you sprain the ligaments that stabilize the joint between the shoulder blade and collar bone you have what is called a separation. If the ball of the upper arm bone (humerus) is pushed out of its socket a dislocation has occurred. A subluxation is an incomplete dislocation. However, the shoulder injuries that affect most climbers and hikers are tendinitis and bursitis. Tendinitis is an inflammation of the muscles attached to the bone . Bursitis is an inflammation of the lubricating surfaces of the joint.
The vulnerability of the shoulder to injury comes from its design which sacrifices mobility for stability. the shoulder is formed by ball and socket joint. The ball is the head of the humerus bone and the socket formed by the shoulder blade and the collar bone. All this is held in place by three stringy muscles known as the rotator cuff. Activities such as climbing that require you to have your arms over your head can lead to inflammation of these muscles.

HIP
The problems with the hip mirror the problems with the shoulder; both are ball and socket joints and both can be dislocated, sprained and strained.



    Tacoma Mountain Rescue Board Meeting
    May 28, 1997

Call to order: 1931 hrs.

Board members in attendance:

Ed Hrivnak
Alan Givotovsky
Chris Berryman
Jim Andrues
Pat Lillie
Jeff Sharp
Rob Lutz
Bill Weber
Mike Mixon
Gus Bush
The April minutes were accepted. as read.

TREASURERS REPORT: Ed Hrivnak for Jim Howe OPERATIONS: Rob Lutz TRAINING: Jim Andrues EQUIPMENT: Pat Lillie COMMUNICATIONS: Jeff Sharp SAFETY AND EDUCATION: Chris Berryman MEMBERSHIP: Chris Berryman FINANCE: Bill Weber OLD BUSINESS: NEW BUSINESS: Adjourn 20:40 hr.

Respectfully submitted,
Chris Berryman
Secretary



    Kit Party

The following members attended the kit party on May 7, 1997:
Shorty Williams
John Simac
Bill Weber
Ed Hrivnak
Tammy Knapp
Jack Leiman
Bob Renz
Jim Andrues
They made 270 Kits.
There will be no kit party in July so Shorty can go on vacation.



    Rescue of Two Climbers on Liberty Cap
    DEM #97-1040

This rescue occured just as I was putting the rucksack to bed. More next month.



©Copyright 1997
Tacoma Mountain Rescue
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