Facemasks Block Lower Visual Field in Youth Ice Hockey.
Facemasks Block Lower Visual Field in Youth Ice Hockey.
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DOI：
10.3389/fspor.2021.787182
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发表时间：
2021
影响因子：
2.7
通讯作者：
Anson ER
中科院分区：
文献类型：
--
作者：
Critelli K;Demiris V;Klatt BN;Crane B;Anson ER
戴口罩可以减少COVID-19的传播，但也会挡住人的下视野。为应对COVID-19，制定了许多新的公共安全规则，包括在青少年冰球等一些青少年运动中强制穿着FM。我们假设青少年曲棍球运动员佩戴FM会阻碍下视野，并可能影响安全。年龄12.03（1.6）岁的青少年曲棍球运动员（n = 33）在两种情况下（佩戴调频和不佩戴调频）随机顺序看到地板上的LED灯亮时按下按钮。采用交错的一上一下两种强制选择的自适应楼梯设计。计算每个条件和参与者的视觉阈值。视角阈值（VAT）由站眼高度和从冰鞋尖到视觉阈值的线性距离确定。配对t检验确定戴口罩是否改变了增值税。我们模拟了球员在四种不同的场景中看到冰球的概率，以估计在曲棍球比赛中佩戴FM的潜在影响。平均未蒙面增值税（11.4度）比蒙面增值税（20.3度）明显更接近冰鞋（p < 0.001）。我们的模型表明，当戴着FM时，使用周边视觉看到冰球的能力显著降低。戴FM眼镜会损害他们的下视野，这表明他们可能需要向下倾斜头部才能看到冰球。戴着FM打冰球可能会导致不安全的冰上比赛条件，因为向下倾斜的头看冰球。
Wearing a facemask (FM) reduces the spread of COVID-19, but it also blocks a person's lower visual field. Many new public safety rules were created in response to COVID-19, including mandated FM wearing in some youth sports like youth ice hockey. We hypothesized that FM wearing in youth hockey players obstructs the lower field of view and may impact safety. Youth hockey players (n = 33) aged 12.03 (1.6) years button press when they saw an LED on the floor turn on in two conditions (wearing FM or no FM) in random order. An interleaved one-up/one-down two-alternative-forced-choice adaptive staircase design was used. Visual thresholds were calculated for each condition and participant. The visual angle threshold (VAT) was determined using standing eye height and the linear distance from the tip of the skates to the visual threshold. Paired t-tests determined whether mask wearing changed the VAT. We modeled the probability a player could see the puck on their stick in four distinct scenarios to estimate the potential impact of FM wearing during hockey play. The average unmasked VAT (11.4 degrees) was significantly closer to the skates than the masked VAT (20.3 degrees) (p < 0.001). Our model indicated a significant reduction in ability to visualize the puck using peripheral vision when more upright while wearing a FM. FM wearing compromised their lower visual field, suggesting a downward head tilt may be necessary to see the puck. Playing ice hockey while wearing a FM may lead to unsafe on-ice playing conditions due to downward head tilt to see the puck.
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影响因子：
2
作者：
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通讯作者：
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通讯作者：
Busse M