Bronner Shaw, Lassey Ivetta, Lesar Jessie R, Shaver Zachary G, Turner Catherine
ADAM Center; 322 W 52 St., #199; New York, NY 10101, USA. Tel 347-688-9351, fax 718-841-7116.
Med Probl Perform Art. 2020 Mar;35(1):28-34. doi: 10.21091/mppa.2020.1004.
To investigate intra- and inter-rater reliability of a ballet-based Dance Technique Screening Instrument used by physical therapists (PTs) and student PTs (SPTs) with prior dance medicine or dance experience.
Ten pre-professional dancers were video-recorded in the sagittal and frontal planes while performing four dance sequences: 1) second position grand plié; 2) développé à la seconde; 3) single-limb passé relevé balance; and 4) jumps in first position. Dance videos and electronic versions of the demographics and scoring forms were provided through a secure online survey to 28 PTs and SPTs who served as raters. Raters reviewed a training video prior to scoring the 10 dancers. Raters were asked to repeat their assessments 1-2 wks later. Intraclass correlations (ICC) were assessed for all-raters, PTs, and SPTs for total and sequence scores.
Twenty-eight raters assessed the videos one time. Inter-rater reliability was ICC=0.98 (CI95=0.96-0.99) (all-raters), with PTs and SPTs displaying similar values (ICC=0.96 and 0.96, respectively). Eighteen raters (11 PTs, 7 SPTs) repeated the video analysis. Intra-rater reliability was ICC=0.78 (CI95=0.72-0.83) with PTs ICC=0.81 and SPTs ICC=0.70.
Correlations were high for all-raters. SPTs were as reliable as PTs in inter-rater comparisons. PTs exhibited higher intra-rater reliability compared to SPTs. These results substantiate the reliability of a standardized testing instrument to conduct dance technique assessment. Validity of this instrument was demonstrated in a previous study which found dancers with better technique were less likely to sustain injury. The ability to identify technique deficits can guide preventative programs that may reduce injury risk.
Level III.
调查物理治疗师（PT）和学生物理治疗师（SPT）使用的基于芭蕾舞的舞蹈技术筛查工具在评分者内部和评分者之间的可靠性，这些评分者具有舞蹈医学或舞蹈相关经验。
10名专业前舞者在矢状面和额状面进行四个舞蹈动作的录像：1）二位大蹲；2）向二位伸展；3）单腿 passé relevé 平衡；4）一位跳。舞蹈视频以及人口统计学和评分表的电子版本通过安全在线调查提供给28名担任评分者的PT和SPT。评分者在对10名舞者进行评分之前观看了培训视频。要求评分者在1 - 2周后重复他们的评估。对所有评分者、PT和SPT的总分及各动作得分评估组内相关系数（ICC）。
28名评分者对视频进行了一次评估。评分者间可靠性为ICC = 0.98（95%CI = 0.96 - 0.99）（所有评分者），PT和SPT显示出相似的值（分别为ICC = 0.96和0.96）。18名评分者（11名PT，7名SPT）重复了视频分析。评分者内可靠性为ICC = 0.78（95%CI = 0.72 - 0.83），PT的ICC为0.８1，SPT的ICC为0.70。
所有评分者的相关性都很高。在评分者间比较中，SPT与PT一样可靠。与SPT相比，PT表现出更高的评分者内可靠性。这些结果证实了一种标准化测试工具用于舞蹈技术评估的可靠性。该工具的有效性在先前的一项研究中得到了证明，该研究发现技术更好的舞者受伤的可能性更小。识别技术缺陷的能力可以指导可能降低受伤风险的预防计划。
三级。
