Abstract
BackgroundForward head and rounded shoulder posture (FHRSP) is a common clinical postural misalignment. It leads to flexion posture of the spine which increases the amount of tension on the nerve roots, which inversely affects muscle strength and function of the upper extremity. So, this study was conducted to examine the effect of FHRSP on hand grip strength in asymptomatic young adults and to explore the relationship between the craniovertebral angle (CVA) and hand grip strength.ResultsThere was no significant difference in hand grip strength between the groups (p = 0.812). There was no correlation between the CVA and right and left hand grip of the normal group (p = 0.840, 0.816 respectively), rounded shoulder posture (RSP) group (p = 0.523, 0.650 respectively), and FHRSP group (p = 0.855, 0.736 respectively). Regarding the right and left hand grip strength, there was no significant difference between the groups (p = 0.798, 0.826 respectively). The right hand grip strength was significantly higher than the left hand for all groups (p = 0.001).ConclusionThis study displayed that hand grip strength was not affected by FHRSP nor RSP in asymptomatic young adults. Moreover, the degree of the CVA was not associated with an inverse effect on hand grip strength.
Highlights
Forward head and rounded shoulder posture (FHRSP) is a common clinical postural misalignment
Multiple pairwise comparison tests were conducted by using the Tamhane post hoc test; the sample groups were not of equal number which revealed that there was no significant difference in the mean values at the left nor right side between each pair of the three groups (Table 3)
The results showed that there was no significant difference in hand grip strength among the three groups that may be attributed to several factors
Summary
Forward head and rounded shoulder posture (FHRSP) is a common clinical postural misalignment It leads to flexion posture of the spine which increases the amount of tension on the nerve roots, which inversely affects muscle strength and function of the upper extremity. One of the common clinical postural misalignments is the forward head and rounded shoulder posture (FHRSP) [2]. The prevalence of forward head posture (FHP) and rounded shoulder posture (RSP) in a group of 20–50-year-old healthy subjects was. More than 80% of patients with myofascial pain syndrome have FHP and rounded shoulder posture (RSP) [6]
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