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Rupture of the Gastrocnemius Muscle in Cattle

By

Paul R. Greenough

, FRCVS, Western College of Veterinary Medicine, University of Saskatchewan

Last full review/revision Sep 2015 | Content last modified Sep 2015

Rupture of the gastrocnemius muscle or tendon is relatively rare. It is most likely to be associated with deficiencies of calcium, phosphorus, and vitamin D. Prolonged recumbency, with resulting myositis and struggling to rise, occasionally precipitates rupture of these muscles. Occasionally, the condition has been associated with pyelonephritis, which presumably causes a myositis, weakening the muscle enough to permit rupture. Injections of irritating medicaments into the gastrocnemius muscle may cause necrosis and rupture.

The hock remains flexed. When the muscle is completely ruptured, the standing animal rests the hock and distal portion of the limb on the ground or walking surface, which is diagnostic, although rupture of the Achilles tendon may produce an identical gait.

Successful treatment is extremely unlikely in heavy adult animals. A leg cast or splint that maintains the hock in extension, supplying adequate vitamins and minerals, and proper nursing may be successful, but a long recovery period is required.

OTHER TOPICS IN THIS CHAPTER

Lameness in Cattle
Overview of Lameness in Cattle
Physical Examination of a Lame Cow
Locomotion Scoring in Cattle
Computerized Recording of Digital Lesions in Cattle
Distal Digital Anesthesia for Diagnostic and Surgical Procedures in Cattle
Radiography in Cattle
Arthrocentesis and Arthroscopy in Cattle
Risk Factors Involved in Herd Lameness of Cattle
Footbaths of Cattle
Functional Claw Trimming of Cattle
Prevalent Lameness Disorders in Intensively Managed Herds of Cattle
Digital Dermatitis in Cattle
Pododermatitis Circumscripta in Cattle
White Line Disease in Cattle
Toe Necrosis Syndrome in Cattle
Sole Hemorrhage in Cattle
Thin Sole in Cattle
Heel Erosion in Cattle
Other Disorders of the Interdigital Space in Cattle
Interdigital Dermatitis in Cattle
Interdigital Phlegmon in Cattle
Interdigital Hyperplasia in Cattle
Disorders of the Horn Capsule and Corium in Cattle
Laminitis in Cattle
Double Sole in Cattle
Foreign Body in Sole of Cattle
Vertical Fissures in Cattle
Horizontal Fissures in Cattle
Corkscrew Claw in Cattle
Slipper Foot in Cattle
Disorders of the Bones and Joints in Cattle
Ankylosing Spondylosis in Cattle
Degenerative Arthropathy in Cattle
Coxofemoral Luxation in Cattle
Patellar Luxation in Cattle
Fetlock Dislocation in Cattle
Hip Dysplasia in Cattle
Fractures in Cattle
Septic Arthritis of the Distal Interphalangeal Joint in Cattle
Serous Tarsitis in Cattle
Neurologic Disorders Associated with Lameness or Gait Abnormalities in Cattle
Suprascapular Paralysis in Cattle
Radial Paralysis in Cattle
Ischiatic Paralysis in Cattle
Obturator Paralysis in Cattle
Femoral Paralysis in Cattle
Peroneal Paralysis in Cattle
Tibial Paralysis in Cattle
Spastic Syndrome in Cattle
Spastic Paresis in Cattle
Soft-tissue Disorders Causing Lameness in Cattle
Carpal Hygroma in Cattle
Rupture of the Gastrocnemius Muscle in Cattle
Rupture of the Peroneus Tertius Muscle in Cattle
Tarsal Cellulitis in Cattle
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Musculoskeletal
In all animals, the motor unit of skeletal muscle consists of the motor neuron, the neuromuscular junction, and muscle fibers. Muscle dysfunction—such as ataxia, paresis, or paralysis—most commonly originates in which of the following locations?
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