Forward flexion ( normally 80 degree)
Grade 0: 80 degree	0
Grade 1: 80-50 degree	1
Grade 2: 50-30 degree	2
Grade 3: <30 degree	3
Right lateral flexion: (normally approx.35°)
Grade 0: 35degree	0
Grade 1:25degree	1
Grade 2: 15 degree	2
Grade 3: <15 degree	3
Left lateral flexion: (normally approx.35°)
Grade 0: 35degree	0
Grade 1:25degree	1
Grade 2: 15 degree	2
Grade 3: <15 degree	3
Extension: (normally approx.20-30°)
Grade 0 : 20-30 degree	0
Grade 1: 10-20 degree	1
Grade 2: < 10 degree	2
Rotation towards right: (normally approx.45)
Grade 0 : 45 degree	0
Grade 1: 30 degree	1
Grade 2: 15 degree	2
Grade 3: <15 degree	3