资讯

NFHS will allow states to decide whether or not to adopt backstroke ledges in high school ...
State high school associations may adopt rules permitting the use of backstroke ledges during swimming competitions starting ...
Swimming World Magazine5 天
Backstroke Ledges to Be Allowed in High School Competition
The NFHS has ruled that backstroke ledges will be allowed to be used in high school competition, with individual states ...
Athletic Business1 天
NFHS Allowing Backstroke Ledges by State Adoption in High School Swimming
State high school associations may adopt rules permitting the use of backstroke ledges during swimming competitions starting ...