사람들이 잘 모르는 육상 경보의 비밀

<img src="https://imgproxy.shelter.id/sig/w:3840/rt:fill/Z3M6Ly9zaGVsdGVyLW1lZGlhL3UvR0YwS3FlMXAzVGcxQzZKbmdzSjV6WTk0QWMyMi9pbWFnZXMvMTcyMjY5Mjg1NzMxOV8zOGI1YmY1ZS1kYmM4LTRkMDMtODYyYi1iNTI5NTMwOTlhNjk=" style="height: auto; width: auto; max-width: 100%; margin: 5px auto; display: block; position: relative; object-fit: cover; vertical-align: middle; box-sizing: border-box;" fr-original-style="height: auto; width: auto; max-width: 100%; margin: 5px auto; display: block;" fr-original-class="fr-draggable"><br style="color: rgb(52, 52, 52); font-family: 굴림, Gulim; font-size: 18px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: center; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; clear: both; box-sizing: border-box;" fr-original-style="color: rgb(52, 52, 52); font-family: 굴림, Gulim; font-size: 18px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: center; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; clear: both;"><span style="color: rgb(52, 52, 52); font-family: 굴림, Gulim; font-size: 18px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: center; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(248, 247, 247); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important; box-sizing: border-box;" fr-original-style="color: rgb(52, 52, 52); font-family: 굴림, Gulim; font-size: 18px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: center; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(248, 247, 247); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">실제로 경보 룰을 제대로 지키는 선수는 단 한명도 없다고..