妊娠初期における高負荷レジスタンストレーニングに関する後ろ向き調査:運動専門家および産科提供者への示唆
Christina Prevett1, Margie H Davenport
1Program for Pregnancy and Postpartum Health, Physical Activity and Diabetes Laboratory, Faculty of Kinesiology, Sport and Recreation, Women and Children's Health Research Institute, Alberta Diabetes Institute, University of Alberta, Edmonton, Alberta, CANADA.
Medicine and science in sports and exercise
|February 3, 2026
まとめ
妊娠初期の高負荷レジスタンストレーニング(RT)は、一般的に十分に許容される。ほとんどの参加者はオリンピックリフティングと体幹運動を継続し、多くの参加者は妊娠初期にトレーニング負荷を維持または増加させている。
科学分野:
- スポーツ医学; 産科学; 運動生理学
背景:
- レジスタンストレーニング(RT)は、生殖可能年齢の女性の間で人気がある。母体および胎児の健康のために、妊娠中の運動修正を理解することは極めて重要である。妊娠初期における高負荷RTの遵守と修正に関するデータは限られている。
研究 の 目的:
- 妊娠初期における高負荷RT中の運動修正を調査すること。これらのアスリートの骨盤底の健康、受胎歴、および産科的特徴を記述すること。妊娠初期におけるRTの許容性と安全性を評価すること。
主な方法:
- 定期的な妊娠初期RTに従事している妊娠20週未満の個人を募集した。妊娠前および妊娠初期の骨盤の健康、受胎、および運動行動に関するアンケートを完了させた。参加者のサブセットから妊娠前から妊娠12週までのトレーニングログを収集した。
主要な成果:
- 359人の参加者がアンケートに回答した。トレーニング頻度は減少したが、ほとんどの参加者はオリンピックリフティングと体幹運動を継続した。半数以上がRT負荷を維持または増加させ、推定1回反復最大筋力の75%以上でトレーニング負荷を維持した参加者もいた。倦怠感となまりが運動に影響を与えたのは77%であった。妊娠初期には骨盤底の不調が運動中に軽減した。
結論:
- 妊娠初期における継続的な高負荷レジスタンストレーニングは、妊娠前にRTに慣れていた個人にとって十分に許容される。RT参加者における妊娠への適応は、妊娠初期の骨盤底の健康に悪影響を与えなかった。妊娠中の安全で効果的なRTのガイドラインを情報提供するために、さらなる研究が可能である。
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