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a patient hip abduc biomechanical studies the support the abductor am


clothing damage When medically more convenient canes preferable to providing supportive When canes all con- frequently too Shops customarily cane a length suitable tall individuals long enough cane ti

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Document on Subject : "a patient hip abduc biomechanical studies the support the abductor am"— Transcript:

1 a patient hip abduc- biomechanical studi
a patient hip abduc- biomechanical studies the support the abductor amputated femur cane carried a crowbar) support, can cane, thereby horizontal counter-forces stump and must provide generated on acting up- other parts for a patient with a short or abducted (Carrying a briefcase, pack- similar action, hand to or hip Pauwels implies of the a cane in the arm and ture, transmitting through the can reduce demands Reduced muscular effort reduce demands on in the lower leg. Reduced muscular resulting from one o

2 r consumption per walked. (Also, subject
r consumption per walked. (Also, subject, showed: consumption per meter further reduction the greater security associated self-paced "comfortable" per minute with least energy a cane in also may be during standing to able distance from a substantial detects irregularities walking surface. for the offer more support and lighter, more on public transportation, in clothing damage. When medically more convenient canes preferable to providing supportive When canes all con- frequently too Shops customarily cane

3 , a length suitable tall individuals. lo
, a length suitable tall individuals. long enough cane tip to the as in with correspondingly mands upon triceps muscle; inadequate support almost inevitable. load upon cane, leading position, lack leads to a tendency to elevate shoulder, causing bad possibly scoli- particularly marked in individuals who among cane on the contrary, a cane, resulting in substantially complete inadequate support after insufficient assistance A short cane particularly in lifting forward tilting A decorative has often been dres

4 s canes. A gold ball, example, may adequ
s canes. A gold ball, example, may adequate for but it orthopedic cane appreciable support. large enough to fit comfortably over user is while using his in making change, grasping a on a be slightly as to a good when inclined its center crook should to prevent cane from slipping readily over Prosthetics Research subject. Note flex excessively, shoulder handle, and slightly, and hand to forearm almost in straight line with crook like recommended in a from bumping against deliberately omitted in should rema

5 in lum fashion movement. Preferably, res
in lum fashion movement. Preferably, rest when placed upon preferable to a similar materials friction in with common sur- faces may be to the Correct curve is slightly in diameter the individual "pistol-grip" type grasp (Fig. the curvature fitting into intended for orthopedic dress purposes, too small in diameter to average male the hand and in an large cane handle, ever, such as to a also would give satisfactory encircling the cane handle. small fingers should encircle the middle the thumb should guide c

6 ane, with the shaft. knots or similar pr
ane, with the shaft. knots or similar projections cane material aid this may assist integral handle formed from main cane shaft preserve its flattened into oval sections. A separate handle may be preferred in some cases, but the attachment Prosthetics Research and secure grasp. Distal end slightly for materials may allow strong directly down handle can shaped to fit neatly hand, but it item with a hammer-like shape, average palm cane shaft the thumb and index finger. from which structed should stiffness e

7 ven weight. Normal loads upon walking ov
ven weight. Normal loads upon walking over a gymnasium More accurate a force a special cane remain typically be greater. When individual should to balance momentarily upon weight. Presumably impact factor will still increase axial loading. some leverage, will also considerable bending load upon the cane, therefore, should provide all customary load- without appreciable for the patient well as under load typically increases thereby increasing bending moment, compounding the deflection once in the outermost

8 fiber material, thus should be remember
fiber material, thus should be remembered particularly under eccentric loading, than the material on both strength contrasted to a thin adequate rubber the diameter firm grip. Such a the un- is needlessly circumducted or be flexed excessively. a cane a pendulum from the with limited motion gravity should and the inertia about should be to have a orthopedic cane a number artificial limb wooden "hospital" needlessly heavy, in diameter, particular grade the handle and the slippery varnished customarily suppl

9 ied. Since are frequently inadequate att
ied. Since are frequently inadequate attention to curves much sharply to fit the forearm. These "hospital" canes often made turned from a larger piece which grain. Thus, both on engineering analy- or horn or to small openings. tips should have concentric outermost ring preferably slightly beyond cane tip in contact the ground angle from any event or ahead during normal flexibility, plus ground during the entire Limited torsional cane tip door open with the cane and cane tip, then flaring or cylindrical wi

10 thout catching. Some tips, designed a pr
thout catching. Some tips, designed a projecting thin bottom held narrow rubber under a in underbrush). the cane tip preferably should a metal cane shaft (Fig. punching through cane tip under the cane shaft to cause skidding), the exert a noticeable with cane tip ciable wear addition, the action tending to push to "bite through" to dry surface. may be hazardous conditions with crutches canes arises decayed leaves wet sidewalk particularly hazardous.) water on smooth surface during the day has frozen overni

11 ght in a smooth surface, quantity has to
ght in a smooth surface, quantity has to form a lubricant. preventing substantial one can torsional shearing canes often normally con- trolling relative rotations as those controlling shearing cane tip large enough in diameter in the normal pathway. the cane tip should fit across space between gratings, fire Unfortunately, certain a practicable cane tip, to avoid placing the cane directly on such cane tip, in walking on rough ground, ice because least careful placement the tip best ,coefficient giving max

12 i- available protection against cane tip
i- available protection against cane tip in a slippery. Similarly, made rougher automobile tires or to patches which have sanded voluntarily large cane mud in cane tip, gripping the be pulled accidentally from the should be nearly cylindrical, without a barb-like projection in the should not extremely firmly cane shaft wear nearly Earlier replacement Unfortunately, metal appeared to encountered under conditions causing penetrate the ice unless user delivers impact upon entering a trast, it appears rubber c