Jarman Nathan F, Brooks Toby, James C Roger, Hooper Troy, Wilhelm Mark, Brismée Jean-Michel, Domenech Manuel A, Kotara Stanley J, Sizer Phillip S
Center for Rehabilitation Research, Texas Tech University Health Sciences Center, Lubbock, TX(∗).
Center for Rehabilitation Research, Texas Tech University Health Sciences Center, Lubbock, TX(†).
PM R. 2017 Oct;9(10):969-975. doi: 10.1016/j.pmrj.2017.02.002. Epub 2017 Feb 16.
Deep neck flexor (DNF) muscles stabilize the neck and contribute to head acceleration control. The function of DNF in cervical spine dynamic stabilization has not been examined in athletes of any age group, including adolescents. This investigation was necessary prior to studying the DNF muscles' role in cervical spine injury patterns.
The objectives of this study were (1) to determine average Deep Neck Flexor Endurance Test (DNFET) time scores in high school-aged and university-aged subjects (aged 14-22 years); and (2) to establish the relationship between gender and age for adolescent DNFET time scores.
Cross-sectional design.
Public high school and private university.
A total of 81 (40 male, 41 female) healthy high school and collegiate athletes.
DNFET time scores (in seconds) were collected and means values were calculated. Interrater reliability was established using the first 15 university-aged subjects enrolled in the study.
Mean DNFET time (seconds) scores.
The DNF muscle endurance interrater reliability coefficient of reproducibility for 4 allied health clinicians was intraclass correlation coefficient (2,4) 0.712 (confidence interval, 0.24-0.85). The mean (± standard deviation) DNFET time score for females was 31.86 (±8.53) seconds versus 35.57 (±10.43) seconds for males. The DNFET performance demonstrated a significant but fair correlation with age (r = 0.401, P = .0001). No significant performance differences were found between male and female subjects in the 14- to 17-year-old group (U = 187.0, P = .285), the 18- to 22-year-old group (U = 145.0, P = .215), or the total male versus female subject groups (U = 653.0, P = .083).
Our study establishes a normative data set available for the DNFET in the adolescent population. The fair correlation between DNFET time scores and age is consistent with other studies. These findings serve as a basis for clinician testing, objectifying, and monitoring DNF dysfunction in an adolescent athletic population.
II.
颈深屈肌（DNF）可稳定颈部并有助于控制头部加速。颈深屈肌在颈椎动态稳定中的功能尚未在包括青少年在内的任何年龄组的运动员中进行研究。在研究颈深屈肌在颈椎损伤模式中的作用之前，进行这项调查很有必要。
本研究的目的是（1）确定高中年龄和大学年龄受试者（14 - 22岁）的平均颈深屈肌耐力测试（DNFET）时间得分；（2）确定青少年DNFET时间得分与性别和年龄之间的关系。
横断面设计。
公立高中和私立大学。
共有81名（40名男性，41名女性）健康的高中和大学运动员。
收集DNFET时间得分（以秒为单位）并计算平均值。使用纳入研究的前15名大学年龄受试者建立评分者间信度。
DNFET时间（秒）的平均得分。
4名联合健康临床医生的DNF肌肉耐力评分者间再现性信度系数为组内相关系数（2,4）0.712（置信区间，0.24 - 0.85）。女性的平均（±标准差）DNFET时间得分为31.86（±8.53）秒，男性为35.57（±10.43）秒。DNFET表现与年龄呈显著但中等程度的相关性（r = 0.401，P = .0001）。在14至17岁组（U = 187.0，P = .285）、18至22岁组（U = 145.0，P = .215）或男性与女性受试者总组（U = 653.0，P = .083）中，未发现男性和女性受试者之间存在显著的表现差异。
我们研究建立了青少年人群中DNFET的规范数据集。DNFET时间得分与年龄之间的中等程度相关性与其他研究一致。这些发现为临床医生在青少年运动员群体中测试、客观化和监测DNF功能障碍提供了依据。
II级。
