Cham bong va loi
Cham bong va cac loi thuong gap trong bong chuyen
Cach gioi han ba lan cham, tiep xuc hop le, ngoai le chan bong va cac loi thuong gap hoat dong theo luat FIVB hien hanh.
Ba lan cham cua doi va ngoai le chan bong
Moi doi duoc toi da ba lan cham de dua bong tro lai, khong tinh chan bong. Lan cham khi chan bong khong tinh vao ba lan nay, vi vay sau chan bong doi van con ba lan cham. Lan cham dau sau chan bong co the do bat ky cau thu nao thuc hien, ke ca nguoi vua cham bong khi chan.
The nao la cham bong hop le
Bong co the cham bat ky bo phan nao cua co the. Bong phai nay ra va khong duoc bi giu hay nem. Cham dong thoi vao nhieu bo phan co the la hop le; o lan cham dau cua doi, cac cham lien tiep vao cac bo phan khac nhau cung duoc phep neu nam trong mot dong tac. Cac cham nhanh lien tiep trong cung mot dong tac chan bong cung duoc phep.
Cac loi thuong gap khi choi bong
Loi bon cham xay ra khi doi dung lan cham thu tu truoc khi dua bong sang. Assisted hit la loi khi cau thu dua vao dong doi hay vat the de danh bong. Giu hoac nem bong la loi; double contact thuong la mot cau thu cham bong hai lan lien tiep ngoai cac ngoai le. Hai hoac ba dong doi cham dong thoi se duoc tinh la hai hoac ba lan cham, tru chan bong.
Dien giai double contact FIVB 2026
Trong cac thu nghiem luat quoc te nam 2026, FIVB cho biet double contact trong dong tac chuyen hai o lan cham thu hai van duoc phep neu bong van o cung mot ben san. FIVB neu ro rang khong can thay doi luat cho cach dien giai nay. O cac tinh huong khac, double contact van co the bi tinh loi.