美国医学会杂志:与有氧运动相比,举重更能降低心脏病风险


据外媒7月6日报道,一项新的科学研究发现,进行抗阻力训练(举重,杠铃,哑铃等)的人群更有可能减少一种特定类型的心脏脂肪,从而预防心血管疾病。

这项研究的结果发表于最新一期的权威医学杂志《美国医学会杂志:心脏病学》(JAMA Cardiology)上。

研究结果显示,进行举重训练和进行有氧锻炼的受试者,心外膜脂肪均有减少;但接受举重训练的实验者还有一种特定类型的心包脂肪也减少了这两种脂肪均与心血管疾病有关。

b4bd64b97dd249118ffaaaa9bae477ac

▲研究发表在了《美国医学会杂志(心脏病学)》上

“我们对这一发现感到惊讶。”该研究的负责人,丹麦哥本哈根大学医院炎症与代谢中心和体育活动研究中心的研究人员里吉斯霍嘉德克里斯滕森博士说。

这项研究尚不能解释为什么举重训练与耐力训练有不同的效果。

既往的研究显示,抗阻力训练对肌肉有更强的刺激,能够增强人体的基础代谢。因此研究者推测,与进行耐力训练的参与者相比,进行抗阻力训练的参与者燃烧的卡路里更多,即使在不活动的时段,肌肉的卡路里燃烧量也更大。

1cab03b98b93424ea3e0f13f39ca2090

▲保加利亚国家举重队的一名运动员在参加训练

为了探索不同类型的运动对心脏脂肪的影响,克里斯滕森和她的同事招募了32名身材较胖且久坐不动但尚未患有心脏病,糖尿病或房颤等基础病的成年人。

XXParticipants were randomly assigned to three groups, one for three-month resistance training, one for aerobic training, and one for non-exercise controls. The exercise training of the experimental group was three times a week, 45 minutes each time. Subjects underwent cardiac MRI scans at the beginning and end of the study.

Both exercise training reduced epicardial adipose tissue compared to no exercise: aerobic training was reduced by 32% and resistance training was reduced by 24%. However, only resistance training has an effect on pericardial adipose tissue, and the resistance-trainer's pericardial adipose tissue is reduced by 31% compared to no exercise.

3644155b6cc24d5893ba55378b103044

▲ Dr. Chadi Alais

Dr. Chadi Alais, an interventional cardiologist and director of interventional cardiology at the Heart Hospital of the Detroit Medical Center, said: "This new study is interesting because it specifically studies the relationship between exercise and fat around the heart." /p>

According to the new study, Alaisis conjectures that the best way to fight heart fat is to train both endurance and resistance. “Only running on a treadmill is too monotonous. You can add some dumbbells, sit-ups or push-ups. You can also bring weight-weight equipment such as dumbbells to the office. You can also do some resistance training on a daily basis.”

Although the findings are interesting, Dr. Alais added: "We don't know what will happen in 10 years, and we don't know if the results will change, so we need some longer-term research."

Therefore, friends, want to better reduce the risk of heart disease, on the basis of aerobic exercise such as running swimming, add some resistance to exercise, such as lifting weights, lifting dumbbells, barbell effect will be better.

(Guo Shiyu)

xx