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Table 7 Grading of muscle strength (Oxford Scale)

From: Endoscopic versus open radial artery harvest and mammario-radial versus aorto-radial grafting in patients undergoing coronary artery bypass surgery: protocol for the 2 × 2 factorial designed randomised NEO trial

Grade 0

No muscle movement

Grade 1

Muscle movement without joint motion

Grade 2

Moves with gravity eliminated

Grade 3

Moves against gravity but not resistance

Grade 4

Moves against gravity and light resistance

Grade 5

Normal strength