Every week, the TDN posts a roundup of the relevant Horseracing Integrity and Safety Act (HISA) related rulings from around the country. Among this week's rulings, the focus once again has been on intra-articular injections before workouts. As it stands, HISA imposes a seven-day prohibition of any inter-articular injection of any joint prior to a timed workout, and a 14-day ban
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