bobby
Forum Guru
Topics: 136
Posts: 569
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what is thompson's test? how is it performed?
it's importance?
thanx
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| docdoc
Forum Senior
Topics: 20
Posts: 104
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performed for achille tendon rupture.
Squeezing of gastrocnemeus muscle fails to cause plantar flexion in achille's rupture.
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| RoC
Forum Junior
Topics: 5
Posts: 48
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Clinical tests that are believed to help diagnose Achilles tendon ruptures are as follows:
Hyperdorsiflexion sign: While the patient is prone and has both knees flexed to 90°, maximally dorsiflex both ankles and compare the injured side to the uninjured side.
Thompson test: While the patient is prone and the affected leg is extended, squeeze the calf muscles to indirectly plantar flex the foot. A positive Thompson test results if the foot does not plantar flex. A positive Thompson test helps confirm the diagnosis of a rupture.
O'Brien needle test: A small-gauge needle is inserted perpendicularly through the skin into the tendon substance, approximately 10 cm proximal to the calcaneal insertion of the Achilles tendon. Motion of the hub of the needle in a direction opposite the tendon during passive ankle dorsiflexion and plantar flexion confirms an intact tendon distal to the needle level.
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