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Continuous muscle stretch prevents disuse muscle atrophy and deterioration of its oxidative capacity in rat tail-suspension models.在大鼠尾部悬吊模型中，持续的肌肉拉伸可防止废用性肌肉萎缩及其氧化能力的下降。
Am J Phys Med Rehabil. 2004 Nov;83(11):851-6. doi: 10.1097/01.phm.0000140803.48932.90.
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Effects of ovariectomy and estrogen on skeletal muscle function in growing rats.卵巢切除术和雌激素对生长中大鼠骨骼肌功能的影响。
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Electrical stimulation prevents deterioration of the oxidative capacity of disuse-atrophied muscles in rats.电刺激可防止大鼠废用性萎缩肌肉的氧化能力下降。
Aviat Space Environ Med. 2003 Mar;74(3):207-11.
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Evaluation of disuse atrophy of rat skeletal muscle based on muscle energy metabolism assessed by 31P-MRS.基于31P-MRS评估的肌肉能量代谢对大鼠骨骼肌废用性萎缩的评价。
J Physiol Anthropol Appl Human Sci. 2001 Jul;20(4):247-52. doi: 10.2114/jpa.20.247.
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Are synchronised swimmers at risk of amenorrhoea?花样游泳运动员有闭经风险吗？
Br J Sports Med. 2001 Aug;35(4):242-4. doi: 10.1136/bjsm.35.4.242.
7
Effects of ovariectomy on intramuscular energy metabolism in young rats: how does sports-related-amenorrhea affect muscles of young female athletes?
J Physiol Anthropol Appl Human Sci. 2001 Mar;20(2):125-9. doi: 10.2114/jpa.20.125.
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Exercise and ovarian steroid hormones: their effects on mitochondrial respiration.
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Effects of estradiol and progesterone on body composition, protein synthesis, and lipoprotein lipase in rats.雌二醇和孕酮对大鼠身体成分、蛋白质合成及脂蛋白脂肪酶的影响。
Am J Physiol Endocrinol Metab. 2001 Mar;280(3):E496-501. doi: 10.1152/ajpendo.2001.280.3.E496.
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Effects of specific warm-up at various intensities on energy metabolism during subsequent exercise.
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去卵巢大鼠的肌肉氧化能力——关于与运动相关闭经的女运动员耐力表现的讨论。

Muscular oxidative capacity in ovariectomized rats discussion on the endurance performance of female athletes with sports-related-amenorrhea.

机构信息

Department of Orthopedics, The University of Tokushima , Tokushima, Japan.

Bioenergetics Research Office, Otsuka Pharmaceutical Co., Ltd. , Tokushima, Japan.

出版信息

J Sports Sci Med. 2004 Nov 1;3(YISI 1):15-22. eCollection 2004 Nov.

PMID:24778549
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3990936/
Abstract

The purpose of this study was to evaluate the effects of ovariectomy on intramuscular energy metabolism in adult rats. Based on the results, we discussed the skeletal muscle metabolism in female athlete with sports related amenorrhea. Twenty-five adult (20-week-old) Sprague-Dawley female rats were used. Fifteen rats underwent ovariectomy (OVX group), and the other ten rats were sham-operated (Sham group). One and four weeks after surgery, muscular oxidative capacity was measured using (31)P-MR spectra of the gastrocnemius-plantaris-soleus (GPS) muscles group at rest and during electric stimulation. Wet weight and maximum tension of the whole GPS muscles group were also measured. From the MRS measurements, the muscle oxidative capacity in the OVX group was significantly lower than that in the Sham group (p < 0.05) at both one and four weeks after surgery. The muscle's wet weight one week after surgery in the OVX group was the same as the Sham group, while four weeks after surgery it was significantly greater than that in the Sham group (p < 0.05). There were no significant differences in maximum tension among the groups. In conclusion, in adult rats the oxidative capacity decreased due to ovariectomy despite the increase in muscle weight. It is suggested that the muscular endurance capacity in female adult athletes with sports related amenorrhea may deteriorate. Key PointsIn vivo measurement of muscular energy metabolism.Effects of ovariectomy on muscle function and volume.Muscle function of sports-related amenorrhea.

摘要

本研究旨在评估卵巢切除术对成年大鼠肌肉内能量代谢的影响。基于研究结果，我们讨论了与运动相关的闭经的女运动员的骨骼肌代谢。使用 25 只成年（20 周龄）Sprague-Dawley 雌性大鼠。15 只大鼠接受卵巢切除术（OVX 组），其余 10 只大鼠接受假手术（Sham 组）。手术后 1 周和 4 周，使用（31）P-MR 光谱测量比目鱼肌-腓肠肌-跖肌（GPS）肌肉组在休息和电刺激时的肌肉氧化能力。还测量了整个 GPS 肌肉组的湿重和最大张力。从 MRS 测量结果来看，OVX 组的肌肉氧化能力在手术后 1 周和 4 周时均明显低于 Sham 组（p<0.05）。OVX 组手术后 1 周的肌肉湿重与 Sham 组相同，但手术后 4 周时明显大于 Sham 组（p<0.05）。各组间最大张力无显著差异。总之，在成年大鼠中，尽管肌肉重量增加，但由于卵巢切除术，氧化能力下降。提示与运动相关的闭经的成年女性运动员的肌肉耐力能力可能会恶化。关键点肌肉能量代谢的体内测量。卵巢切除术对肌肉功能和体积的影响。与运动相关的闭经的肌肉功能。