Manual testing of isometric strength in individual muscles |
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Grading into five levels [28,29]: |
• Grade 5 Contraction against powerful resistance, normal power (score = 0) |
• Grade 4+ Contraction against gravity and strong resistance (score = 1) |
• Grade 4 Contraction against gravity and moderate resistance (score = 2) |
• Grade 4- Contraction against gravity and slight resistance (score = 3) |
• Grade 3 * Contraction against gravity only (score = 3) *No pareses minor than grade 3 were observed. |
Sensibility to light touch, pain (pinprick), and vibration (tuning fork 256 Hz) |
Grading into three levels: |
• Normal (score = 0) |
• Mild/any deviation of sensibility (score = 1) |
• Marked deviation of sensibility (score = 2) |
Nerve trunk mechanosensitivity assessed by palpation |
Grading into four levels: |
• No/normal tenderness (score = 0) |
• Mild/any mechanical allodynia (score = 1) |
• Medium mechanical allodynia (score = 2) |
• Marked mechanical allodynia (score = 3) |