Record performances for Masters sporting events for swimming, cycling, triathlon, rowing, and weightlifting were analyzed and then compared with the authors' previously published results for Masters running, walking, and jumping sports events. Records were normalized using the 30s age records as a baseline, and studied through the various age ranges to the 90s. A curvilinear mathematical model [y = 1 - exp((T - T(0))/τ)] was again used for the major comparisons, along with slope changes using a linear model [y = α(T -T'0)] across the age groupings. All sports declined with increasing age, with rowing showing the least deterioration. Performances in running, swimming, and walking were reasonably well maintained, followed by greater decline with age for cycling, triathlon, and jumping events. Weightlifting showed the fastest and greatest decline with increasing age. The relative performances for women, when compared with men's performances for these Masters events, was approximately 80% to 85%, with jumping at 73% and weightlifting at 52%. These relative performances compared with World Record comparisons of approximately 90% (with weightlifting at approximately 75%). All these results show no greater decline with age for endurance events over the sprint events, though there was a greater decline for the strength events of weightlifting and jumping. There may be real physiological differences for these strength events, or there may be other explanations such as training or competitive considerations or smaller numbers participating.

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Objective: The aim of this study is to observe the effects of Quality Control Circle (QCC) in clinical pain care. Methods: A total of 140 patients admitted in our hospital from September 2016 to September 2017 were selected and divided into the control group (n=70) and observation group (n=70) by the number table method. These patients had varying degrees of pain. The control group was offered with conventional clinical nursing, whereas the observation group subjected to the QCC. The two groups were compared with respect to pain improvement, nursing satisfaction, nursing quality, and work efficiency. Results: With respect to number of pain cases, the observation group has significantly fewer cases of moderate and severe pain than the control group. There is statistically significant difference between the two groups (P<0.05). The observation group achieves higher rate of pain knowledge assessment of nurses, positive pain informing rate of patients, rate of satisfying pain nursing records, timeliness with regard to the handling of patients with pain score ≥ 4, and overall satisfaction of patients with respect to pain management than the control group (P<0.05). The control group was inferior to the observation group with respect to teamwork, confidence, enthusiasm, and communication and cooperation scores (P<0.05). Conclusions: In clinical pain nursing, QCC is conducive to pain alleviation, increases nursing satisfaction and work efficiency, and improves nursing quality. Thus, it is worthy of clinical use and positive promotion.

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