Comparison of Cervical Muscle Strength between Forward Head Posture and Normal Postur
Forward Head Posture (FHP) is one of the most common postural abnormalities in the cervicothoracic region that can lead to muscle imbalance and probably future pain. However, there is no study available assessing muscle strength in these patients compared with healthy individuals.
A total of 18 FHP and 16 healthy individuals were recruited after signing the informed consent. The strengths of cervical flexor and extensor muscles were assessed using handheld dynamometer in supine and prone lying positions, respectively. Three 5-second trials of maximum voluntary isometric contraction of cervical flexion and extension were performed with 1-minute rest interval between them and the mean value of the trials was considered for further analysis.
FHP group demonstrated significantly lower cervical muscle strength in both flexion (P=0.001) and extension (P=0.000) directions as compared with those of healthy participants. There was no significant difference between flexor and extensor muscles in either FHP or healthy participants (P
FHP individuals exhibited flexor and extensor muscles weakness in comparison with participants. Findings of the present study intensify the necessity of muscle strengthening program for FHP individuals as well as all asymptomatic computer users or people that have prolonged driving or sitting habit in their routine lifestyle.
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