Clean Run - February 2014 - 23
Supraspinatus
Tendinopathy
By Sherman O. Canapp, Jr., DVM, MS, CCRT, DACVS, DACVSMR
© DIANE LEWIS PHOTOGRAPHY
The responses to a survey of agility dog handlers, recently published in the
Journal of the American Veterinary Medical Association, found that 1 in every 3
agility dogs sustained a sports-related injury. A majority of these, more than
70%, involved injuries to tendons and ligaments with the shoulder as the most
commonly injured site. These findings are not surprising. It has been well established that shoulder conditions are the most common cause of forelimb lameness in performance dogs. Supraspinatus tendinopathy (ST) is frequently the
cause or a component of lameness, especially in agility dogs. In a retrospective
study of 203 dogs diagnosed with ST treated at Veterinary Orthopedic & Sports
Medicine Group (VOSM), agility dogs accounted for more than 50% of all performance dogs affected.
Anatomy
The canine shoulder joint is dynamic with the ability to move in all directions but its primary function during ambulation is flexion and extension. Stability and function relies on
an intricate network of soft tissue structures, particularly those of the rotator cuff, which
includes the supraspinatus, infraspinatus, teres minor, and subscapularis. The supraspinatus is a passive stabilizer of the shoulder joint and is responsible for shoulder extension.
It originates in the supraspinous fossa of the scapula and crosses the shoulder joint to its
insertion on the humerus at the greater tubercle.
COURTESY OF VOSM
Supraspinatus
Teres Minor
Biceps Brachii
Tendon
Infraspinatus
© CINDY TELLEY
Lateral view of the shoulder anatomy. The supraspinatus is a passive stabilizer
of the shoulder and is responsible for shoulder extension.
February 14
| Clean Run
23
Clean Run - February 2014
Table of Contents for the Digital Edition of Clean Run - February 2014
Contents
Clean Run - February 2014 - Cover1
Clean Run - February 2014 - Cover2
Clean Run - February 2014 - Contents
Clean Run - February 2014 - 4
Clean Run - February 2014 - 5
Clean Run - February 2014 - 6
Clean Run - February 2014 - 7
Clean Run - February 2014 - 8
Clean Run - February 2014 - 9
Clean Run - February 2014 - 10
Clean Run - February 2014 - 11
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Clean Run - February 2014 - 19
Clean Run - February 2014 - 20
Clean Run - February 2014 - 21
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Clean Run - February 2014 - 28
Clean Run - February 2014 - 29
Clean Run - February 2014 - 30
Clean Run - February 2014 - 31
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Clean Run - February 2014 - 33
Clean Run - February 2014 - 34
Clean Run - February 2014 - 35
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Clean Run - February 2014 - 37
Clean Run - February 2014 - 38
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Clean Run - February 2014 - 40
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Clean Run - February 2014 - 43
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Clean Run - February 2014 - 49
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Clean Run - February 2014 - 62
Clean Run - February 2014 - 63
Clean Run - February 2014 - 64
Clean Run - February 2014 - 65
Clean Run - February 2014 - 66
Clean Run - February 2014 - Cover3
Clean Run - February 2014 - Cover4
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