The Effect of Spiral Stabilization Muscle Chain Technique Compared to Static and PNF Stretching on Improving Flexibility of Hip Flexors in Sedentary Individuals
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摘要:
目的 探索螺旋稳定肌肉链技术(spiral stabilization method,SPS)相比静态牵伸和本体感觉神经肌肉促进牵伸技术(proprioceptive neuromuscula facilitation,PNF)对髋屈肌柔韧性改善的即时、长时、延迟效果。 方法 将90名受试者随机分为三组,每组30人,第一组为髋关节静态牵伸组,第二组为髋关节PNF牵伸组,第三组为SPS训练组。所有受试者在训练前、第一次训练后、4周训练结束、停训2周后,测量髋关节后伸角度评估髋屈肌的柔韧性。 结果 组内比较:1次训练后的即时效果、训练4周和停训2周,三组的髋后伸角度较训练前均有明显增加(P < 0.05)。组间比较:1次训练后的即时效果、训练4周和停训2周,三组间髋后伸角度改善差异均无统计学意义(P > 0.05)。 结论 SPS训练、静态牵伸和PNF牵伸对髋后伸角度改善均具有良好的即时、长时和延迟效果,且牵伸效果具有一致性。 -
关键词:
- 髋屈肌柔韧性 /
- 螺旋稳定肌肉链 /
- 静态牵伸 /
- 本体感觉神经肌肉促进技术
Abstract:Objective To explore the immediate, long-term, and delayed effects of spiral stabilizing muscle chain technique compared to static distraction and Proprioceptive Neuromuscular Facilitation(PNF) stretching techniques on the flexibility of hip flexors. Methods Ninety subjects were randomly divided intothree groups of 30 each. Group 1 underwent the static stretching of the hip joint. Group 2 received PNF stretching, and Group 3 participated in SPS training. All participants were measured for hip extension angle to assess hip flexor flexibility before training, immediately after the first training session, at the end of 4 weeks of training, and 2 weeks after training cessation. Results Within-group comparisons showed significant increases in hip extension angles after one training session, after 4 weeks of training, and after 2 weeks of cessation compared to pre-training (P < 0.05). Between-group comparisons indicated no statistically significant differences in hip extension angle improvements among the three groups after one training session, after 4 weeks of training, and after 2 weeks of cessation (P > 0.05). Conclusion SPS training, static stretching, and PNF stretching all demonstrate good immediate, long-term, and delayed effects on improving hip extension angles, with consistent stretching outcomes. -
表 1 人口学资料 ($\bar x \pm s $)
Table 1. Demographic data ($\bar x \pm s $)
组别 n 性别(n) 年龄(岁) BMI(kg/m2) 久坐时长(h) 实验前髋后伸角度(°) 男/女 组1静态牵伸组 30 6/24 20.19 ± 0.95 20.78 ± 2.84 8.17 ± 0.80 16.90 ± 4.65 组2 PNF牵伸组 24 3/21 20.25 ± 0.74 20.47 ± 2.37 8.21 ± 0.66 15.83 ± 4.86 组3 SPS组 24 9/15 19.83 ± 1.09 20.36 ± 2.17 8.14 ± 0.70 15.54 ± 4.23 χ2/F 4.604 1.435 0.215 0.056 0.667 P 0.100 0.244 0.087 0.946 0.516 组内比较:第一次训练后的即时效果、训练4周和停训2周,三组的髋后伸角度较训练前均有明显增加(P < 0.05);组间比较:第一次训练后的即时效果、训练4周和停训2周,三组间髋后伸角度改善差异均无统计学意义(P > 0.05)。 表 2 三组不同时间点髋后伸角的比较 ($\bar x \pm s $)
Table 2. Comparison of hip extension angles at different time points among the three groups($\bar x \pm s $)
组别 n 髋关节后伸角度(°) F P 实验前 第一次训练后 训练4周 停训后2周 组1静态牵伸组 30 16.90 ± 4.65 20.66 ± 6.50 23.50 ± 5.66 21.80 ± 5.92 24.262 < 0.001** 组2 PNF 牵伸组 24 15.83 ± 4.86 20.45 ± 5.22 23.25 ± 5.10 20.75 ± 5.01 13.097 < 0.001** 组3 SPS组 24 15.54 ± 4.23 19.16 ± 5.13 21.58 ± 4.81 19.16 ± 5.25 13.183 < 0.001** 与实验前比较,*P < 0.05。 表 3 三组与实验前相比髋后伸角统计分析 ($\bar x \pm s $)
Table 3. Statistical analysis of hip extension Angle in the three groups compared with before the experiment($\bar x \pm s $)
组别 n 髋关节后伸角度(°) 实验前 第一次训练后 训练4周 停训后2周 组1静态牵伸组 30 16.90 ± 4.65 20.66 ± 6.50 23.50 ± 5.66 21.80 ± 5.92 组2 PNF 牵伸组 24 15.83 ± 4.86 20.45 ± 5.22 23.25 ± 5.10 20.75 ± 5.01 组3 SPS组 24 15.54 ± 4.23 19.16 ± 5.13 21.58 ± 4.81 19.16 ± 5.25 F 0.667 0.510 0.998 1.615 P 0.516 0.603 0.373 0.206 -
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