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Normative Data Study of Isometric Neck Strength in Healthy, Adult, Males Ages 18-35

机译：健康，成人，18-35岁男性等长颈部力量的规范数据研究

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Isometric neck muscle contraction forces generated during attempted neck flexion,extension, and side bending by sixty subjects were measured using a load cell in order to establish normal ranges for cervical muscle strength. Contraction forces during three trials were collected and measured using ASYST 2.01. Time averaged forces and instantaneous peak forces generated were compared and no significant differences were evident. Measured mean extension forces (236 N) exceeded mean flexion forces (202 N) and mean side bending forces (155 N). Anthropometric measurements correlated poorly with measured cervical forces and are not recommended as cervical strength predictors. Correlations between dominant grip strength and neck strength were sought but no relationship was apparent. Force variability between trials was evaluated with analysis of variance testing, with significance set at p < 0.05. Increased forces were generated by successive contractions. Comparisons between right and left lateral neck strength indicated no statistically significant functional asymmetry between the two sides. Six subjects (10%) were randomly selected to return for repeat testing to evaluate test-retest reliability using paired t-tests, and no consistent differences between tests were evident.

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