Muscle Weakness - Grading

Grading

One example of grading for muscle weakness is as follows:

  • Grade 0: No contraction or muscle movement
  • Grade 1: Trace of contraction, but no movement at the joint
  • Grade 2: Movement at the joint with gravity eliminated
  • Grade 3: Movement against gravity, but not against added resistance
  • Grade 4: Movement against external resistance, but less than normal
  • Grade 5: Normal strength

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