Clinical Grades of Lee and Healy for Acute Skeletal Muscle Injury

Lee and Healy describe 3 clinical grades of acute skeletal muscle injury. The authors are from Chelsea and Westminster Healthcare NHS Trust.

Types of acute skeletal muscle trauma:

(1) strains

(2) tears

(3) avulsions

(4) contusions

(5) hematomas

Parameters:

(1) clinical findings

(2) loss of function

Clinical Findings	Loss of Function	Clinical Grade
stiffness and soreness with rapid recovery	< 5%	I (simple strain)
pain and loss of function	5 to 50%	II (tear)
complete myotendinous or tendo-osseous avulsion	> 50%	III

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