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Abstract
Forward head posture (FHP) is one of the most causal factors affecting endurance of cervical muscles. This study was conducted to investigate the effect of forward head correction on endurance of cervical flexor and extensor muscles. Thirty - eight patients aged from 15 - 25 years with mean (21.05 ± 3.22) from both sexes randomly divided into two groups with equal numbers. Study group received stretching exercises for pectoral major and suboccibital muscles, and strengthening exercises for scapular retractor and deep cervical flexor muscles three sessions per week for ten weeks. Craniovertebral angle (CVA), Neck flexion endurance (NFT) and neck extension endurance (NET) were taken at two intervals pre - treatment and post - treatment. There was significant difference between both groups post treatment in all variables. There was significant difference in CVA (P < 0.001), NFT (P < 0.001), and NET (P < 0.001) for the study group, While for the control group, there was non-significant difference in CVA (P = 0.492), NFT (P = 0.44) and NET (P = 0.084). FHP correction is considered as an effective factor in improving endurance of cervical flexor and extensor muscles