BACKGROUND Flight cadets need to have good physical fitness to cope with the challenges of flying missions.The continuous development of science and technology has led to the constant upgrading of fighter jets and the...BACKGROUND Flight cadets need to have good physical fitness to cope with the challenges of flying missions.The continuous development of science and technology has led to the constant upgrading of fighter jets and the improvement of their performance,which has resulted in new and higher requirements for the physical fitness of flight personnel.The traditional physical training mode,method,and assessment have been used for many years and do not meet current fitness needs.AIM To investigate the impact of a 12-wk comprehensive anti-G fitness training program on the aerobic capacity of aviation cadets and to evaluate its effectiveness.METHODS Fifty-five cadets were randomly assigned to control and experimental groups using a randomized,single-blind design.The control group maintained their existing training regimen,while the experimental group participated in a 12-wk comprehensive training intervention.The training program comprised strength training twice per week,high-intensity interval training three times per week,and supplemental nutritional and psychological support.Maximal oxygen uptake(VO2max),lower limb strength,and hemoglobin levels were measured at baseline,at 6 wk and 12 wk post-intervention.RESULTS Repeated measures analysis of variance revealed significant differences of both VO2max and relative VO2 in both groups across time points(P<0.05).However,no significant time-group interaction was observed(P>0.05).Paired t-tests comparing baseline and 12-wk results showed that VO2max and relative VO2 were significantly higher in the experimental group than the control group(P<0.05).This suggests that the training program effectively enhanced the aerobic capacity of the experimental group.Key indicators of aerobic capacity,bilateral lower limb strength and hemoglobin levels,were also significantly different over time and between groups(P<0.05).No significant differences were noted in heart-rate metrics(P>0.05).CONCLUSION A 12-wk comprehensive anti-G fitness training program significantly improved the aerobic cap展开更多
目的探讨军校学员的生涯适应力对生活满意度的作用机制,考察自我效能感和希望感在两者关系之间的中介作用。方法2021年1-2月,采用方便取样法对某军校759名军校学员进行问卷调查。评估工具包括生涯适应力量表(Chinese career adaptabilit...目的探讨军校学员的生涯适应力对生活满意度的作用机制,考察自我效能感和希望感在两者关系之间的中介作用。方法2021年1-2月,采用方便取样法对某军校759名军校学员进行问卷调查。评估工具包括生涯适应力量表(Chinese career adaptability scale,CCAS)、自我效能感量表(general self efficacy scale,GSES)、Herth希望感量表(Herth hope inventory,HHI)、生活满意度量表(satisfaction with life scale,SWLS)。结果(1)生涯适应力、自我效能感、希望感和生活满意度两两正相关(r=0.445~0.706,P<0.01);(2)生涯适应力影响生活满意度主要通过3条中介路径,自我效能感的中介作用占比15.25%;希望感的中介作用占比12.34%;自我效能感与希望感的链式中介作用占比12.30%。结论军校学员的生涯适应力既可以直接影响生活满意度,也可以通过自我效能感和希望感间接影响生活满意度。展开更多
基金the Ethics Committee of Beijing Sport University(No.2019113H).
文摘BACKGROUND Flight cadets need to have good physical fitness to cope with the challenges of flying missions.The continuous development of science and technology has led to the constant upgrading of fighter jets and the improvement of their performance,which has resulted in new and higher requirements for the physical fitness of flight personnel.The traditional physical training mode,method,and assessment have been used for many years and do not meet current fitness needs.AIM To investigate the impact of a 12-wk comprehensive anti-G fitness training program on the aerobic capacity of aviation cadets and to evaluate its effectiveness.METHODS Fifty-five cadets were randomly assigned to control and experimental groups using a randomized,single-blind design.The control group maintained their existing training regimen,while the experimental group participated in a 12-wk comprehensive training intervention.The training program comprised strength training twice per week,high-intensity interval training three times per week,and supplemental nutritional and psychological support.Maximal oxygen uptake(VO2max),lower limb strength,and hemoglobin levels were measured at baseline,at 6 wk and 12 wk post-intervention.RESULTS Repeated measures analysis of variance revealed significant differences of both VO2max and relative VO2 in both groups across time points(P<0.05).However,no significant time-group interaction was observed(P>0.05).Paired t-tests comparing baseline and 12-wk results showed that VO2max and relative VO2 were significantly higher in the experimental group than the control group(P<0.05).This suggests that the training program effectively enhanced the aerobic capacity of the experimental group.Key indicators of aerobic capacity,bilateral lower limb strength and hemoglobin levels,were also significantly different over time and between groups(P<0.05).No significant differences were noted in heart-rate metrics(P>0.05).CONCLUSION A 12-wk comprehensive anti-G fitness training program significantly improved the aerobic cap
文摘目的探讨军校学员的生涯适应力对生活满意度的作用机制,考察自我效能感和希望感在两者关系之间的中介作用。方法2021年1-2月,采用方便取样法对某军校759名军校学员进行问卷调查。评估工具包括生涯适应力量表(Chinese career adaptability scale,CCAS)、自我效能感量表(general self efficacy scale,GSES)、Herth希望感量表(Herth hope inventory,HHI)、生活满意度量表(satisfaction with life scale,SWLS)。结果(1)生涯适应力、自我效能感、希望感和生活满意度两两正相关(r=0.445~0.706,P<0.01);(2)生涯适应力影响生活满意度主要通过3条中介路径,自我效能感的中介作用占比15.25%;希望感的中介作用占比12.34%;自我效能感与希望感的链式中介作用占比12.30%。结论军校学员的生涯适应力既可以直接影响生活满意度,也可以通过自我效能感和希望感间接影响生活满意度。
