2.4.2. Specific Neck Exercise Program
head and neck movements, chin tuck, resistive chin tuck
Specific neck exercises (SNE) including deep neck muscle strengthening were performed in a crook lying position with no specific order. Patients were instructed to (a) move their eyes upward and backward without any head and neck movements and hold for 5 s at the end range, (b) move their eyes forward and downward without any head and neck movements and hold for 5 s at the end range, (c) do a very mild chin tuck with five seconds hold at the end range, (d) do a mild resistive chin tuck with a mild resistance to their chins by their hands and hold for 5 s at the end range, and (e) press their occiput to the bed with submaximal force and hold it for 5 s. Each exercise was initially performed 5 times and increased to 20 times by the end of the eight-week program [