{"type":"product","schema_version":"1.0","item_id":"100035322120","canonical_url":"https://tw.bid.yahoo.com/item/100035322120","title":"磁石腕力球(Roller Ball/訓練手腕靈活度/掌力/臂力/棒球/羽球/健臂器)","subtitle":"加強手掌力道；鍛鍊手腕之靈活度","condition":"全新品","currency":"TWD","observed_at":"2026-04-25T02:21:40.822Z","current_price":135,"original_price":"160.00","stock_status":"out_of_stock","available_quantity":22,"sold_quantity":128,"seller":{"id":"Y5102369587","name":"GetSport運動休閒館","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/3b9daa6b-dfd0-4aea-8d4f-c58e6e61eff3.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/61c37366-967f-4f18-8acf-d2f230b38b46.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b2cb08ff-25c2-4e59-8733-49d523054d49.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b1d71356-9b86-48a0-bca4-ef85d40f960c.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"磁石腕力球\n\n(訓練臂力/手腕靈活度/手臂/羽球/網球/桌球/台灣製造)\n\n  \n\n用途\n\n一、加強手掌力道。\n\n二、鍛鍊手腕之靈活度。\n\n三、適合打羽球、網球、桌球、壘球等運動者自我鍛鍊。\n\n \n\n特色\n\n一、不需要電池，可自行控制運轉速度。\n\n二、訓練手腕靈活度及握力等基本功的輔助器材\n\n三、體積輕巧，方便攜帶。\n\n \n\n【使用說明】\n\n一、將啟動繩插入內球孔洞，順勢拉出，腕力球開始旋轉。\n\n二、此時因球體旋轉，手掌須握緊腕力球，以免掉落。\n\n三、感受離心力作用的方向，手腕隨之順勢轉動非抵抗之，使腕力球持續旋轉。\n\n四、掌握腕力球的旋轉原理後，可增加手腕之轉動速度，加快腕力球速度，離心力會更大，手腕即需要更用力。\n\n五、示範可參考影片介紹。\n\n \n\n規格\n\n重量：250g\n\n內容：腕力球*1、啟動繩*1\n\n顏色：隨機出貨(以現有庫存顏色為主)\n\n產地：台灣製造","shipping_methods":[{"name":"宅配/貨運","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨不付款","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"離島配送","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","7-ELEVEN取貨付款"],"category_id":"26082","category_name":"其他","breadcrumb":[{"id":"25464","name":"玩具、模型與公仔","url":"/tw/%E7%8E%A9%E5%85%B7%E3%80%81%E6%A8%A1%E5%9E%8B%E8%88%87%E5%85%AC%E4%BB%94-25464-category.html"},{"id":"26082","name":"其他","url":"/tw/%E5%85%B6%E4%BB%96-26082-category.html"}],"view_count":0,"watch_count":24,"hashtags":["GetSport","腕力器"]}