Neurologic Exam-Adult | Motor Exam | Normal | Strength testing - Upper extremity
Motor Exam - Normal 03 - Strength testing - Upper extremity: Muscle strength is tested from the proximal to the distal part of the extremity so that all segmental levels for the extremity are tested (for the upper extremity that is C5 to T1 - see table). Muscle power is graded on a scale of 0-5. For Strength Testing: C5 - Shoulder extension; C6 - Arm flexion; C7 - Arm extension; C8 - Wrist extensors; T1 - Hand grasp. For Muscle Strength Grading: 0 - No contraction; 1 - Slight contraction, no movement; 2 - Full range of motion without gravity; 3 - Full range of motion with gravity; 4 - Full range of motion , some resistance; 5 - Full range of motion, full resistance.