It’s a violent game where the object is to move an opponent against his will by force, preferably to the ground.But lasting health problems because of concussions and the overall violent nature of football have prompted some well-documented measures, from the NFL down to the high school level, to limit full-contact practice.Last month the UIL Medical Advisory Committee recommended a proposal that would limit teams to 90 minutes of full-contact, game-speed practice per week during the season. The UIL defines game speed as tackling or blocking a player to the ground.The proposal was approved by the UIL Legislative Council and then the commissioner of education and takes effect in August. But area coaches say they already limit full-speed contact and that the rule would have little effect."We’re supposed to be a physical team, I guess, and I would say we have not broken that rule since the ’70s," said Euless Trinity coach Steve Lineweaver, who said he saw practices change when he was an assistant under former Trinity coach John Reddell. "He was ahead of his time in doing what we call dummy-live practice, where you didn’t take anyone to the ground, you kept players fresh."Practices are most physical right now, during spring drills. The UIL proposal did not cover spring or preseason camp."In spring, we’re out here in full pads every day and we limit the full-contact sessions to just our team sessions, about the last 20 minutes of practice each day," Hurst L.D. Bell coach Mark Smith said. "It’s our full-contact, live, team scrimmages, but even in those sessions we blow a quick whistle to try and keep people safe, where we are not taking people to the ground."Many of the coaches interviewed said they still use physical drills during spring ball because, as Lineweaver puts it, "at some point you have to find out who wants to hit.""Spring’s a little bit different animal then fall ball," Southlake Carroll coach Hal Wasson said. "We have a lot more contact in the spring than we do in the fall for obvious reasons. You have to get your kids ready for game speed when they are fatigued. We try to prepare our kids as best we can through a game-speed environment because football is a physical sport — it’s a contact sport."Yet Wasson was one of several coaches who said that even in spring practice, the full motion of tackling a player to the ground is rarely played all the way through."We don’t take people to the ground unless everybody knows it’s the purpose of a particular drill, and we don’t do it for long, and you hold your breath when you do it," Colleyville Heritage coach Mike Fuller said. "We’ll do something like the Oklahoma drill during spring ball and it’s a five-minute segment, and not everyone’s in it. We’re not going to do it for long."Not everyone is on board with the proposed contact limit. Scott Peach, who has been head coach at Arlington since 2003 and is the son of legendary Arlington Lamar coach Eddy Peach, said he’s disappointed but knew these changes would trickle down from the NFL."We get after it pretty good during the season. Now we’re still kind of old school as far as we do go full pads Monday-Wednesday," Peach said. "I know that a lot of people have made the change now as far as more shorts and less pads, but we’ve kind of carried on with our tradition at our place, so it’s going to be a change for us."A document released by the UIL defined exactly what the new rules are, effective Aug. 1: During the regular season and post season, no football player is allowed to participate in more than 90 minutes of full contact practice per week. For the purposes of the of rule, "full contact" is defined as football drills or live game simulations where "live action" occurs. Live action, as defined by USA Football, is contact at game speed where players execute full tackles at a competitive pace taking players to the ground.A team may continue to dress in full pads for practice, but may only participate in live action drills and game time simulations no more than 90 minutes per athlete per week. It is assumed that when players are in shells (shorts, shoulder pads, and helmets) no live action drills or simulations will occur. This rule is intended to limit live action drills and simulations and not the number of practices a team may participate in full pads. A team may participate in "air," "bags,""wrap," and "thud" drills and simulations at any point. These contact levels are defined below:• Air- Players should run unopposed without bags or any opposition;• Bags- activity is executed against a bag, shield or pad to allow for a soft-contact surface, with or without the resistance of a teammate or coach standing behind the bag;• Wrap-Drills run at full speed until contact, which is above the waist with the players remaining on their feet;• Thud- Same as wrap but tempo is competitive with no pre-determined winner and the players are not tackling to the ground.In addition to football, there are other sports and general rules that are changing. Following is a summary, as provided by the UIL website:GENERAL• Add a fourth playoff team advancing from each district in team sport activities in conferences 2A and 3A;• Modify the penalty structure for coaches’ ejection;• Reduce the number of tournaments or meets by one per season for all high school sports;• Allow schools to substitute tournaments for games;• Create a six-conference alignment by renaming the current conferences for the 2014-2015 school year.• Require parents and students to sign the new Sudden Cardiac Arrest Awareness Form; • Require parents and students in cheerleading to sign the Concussion Acknowledgement Form;• Require cheerleading participants to follow Concussion Guidelines under Chapter 38, Subchapter D of the Texas Education Code;• Require cheer coaches and sponsors to complete specific training related to safety guidelines for cheer.FOOTBALL• Create a split conference alignment for 3A in 2014-15;• Limit full contact practice for football players.WRESTLING• Increase the number of qualifiers from district to regionals from two to four.SOCCER• Limit the total number of scrimmages allowed prior to the start of regular season to three; • Add a third conference for the 2014-2015 school year.TEAM TENNIS• Increase the number of teams advancing from district to the new area meet to four;• Add a third conference for the 2014-2015 school year. Melissa Winn also contributed to this article.