(BPT) – Whether attending a child’s scrimmage, the hottest college bowl game of the week or a professional playoff, the vibrant expanse of a football field offers more than a colorful canvas for the action. Often an afterthought for spectators, the choice of playing surface – natural vs. artificial – is a major decision for sports teams and field managers that goes far beyond aesthetics. According to Don Follett, director of fields and grounds for the Baltimore Ravens, the decision to transition M&T Bank Stadium back to natural grass at the start of the 2016 season was driven by the players. ‘A few of our key players asked that we entertain natural grass,’ said Follett. ‘Ultimately, we decided that real football should be played on real grass.’
Why the fuss over real grass for sports fields? Venues choose one surface versus another for reasons that are highly specific to their situations. The following themes, however, consistently pop up:
When first introduced, artificial turf had less cushioning and more surface hardness than it does today, affecting the probability and severity of injuries. Today, the installation of artificial turf involves a mix of sand or crumb rubber infill, which absorbs impact energy and provides surface cushioning. Over time, however, as infill levels decrease from being packed down or migrating, more infill must be added to maintain the target depth range provided from the turf manufacturer. Additionally, based on some of the research, an athlete’s foot is more likely to snag in a synthetic system, which creates more force on the foot, ankle and knee when trying to turn or change directions. In comparison, natural grass can be more forgiving when players stop or turn quickly.
While injury rates are not statistically significant between one playing surface and another, given a choice, professional football players tend to favor natural grass fields over artificial turf. Their preferences have been associated with beliefs that there are more lower body injuries when playing on artificial turf. In a 2010 survey of NFL players, 69 percent preferred a natural surface. Perceptions about safety and wear on the body likely factored in, as players cited artificial turf as a contributor to injuries (82 percent), soreness and fatigue (89 percent), a shorter career (89 percent) and a reduced quality of life after football (64 percent). ‘In their [players’] minds, natural is better, safer,’ continued Follett.
Health and comfort issues
Beyond injuries, natural and artificial turf have other health and safety impacts. Natural grass fields have regular growth, watering and mowing cycles, allowing for constant rejuvenation and decomposition of various compounds. The dense root and shoot systems characteristic of healthy turfgrass support a large population of soil micro-flora and -fauna. These organisms offer one of the most active biological systems for the degradation of trapped organic chemicals and pesticides. According to Tim Van Loo, president of the Sports Turf Managers Association (STMA) and a certified sports field manager, ‘the soil of natural turfgrass systems includes microbes that break down certain compounds, such as pesticides, potentially noxious organic chemicals and even bacteria from bodily fluids, such as blood and spit.’ With synthetic fields, regular maintenance – sweeping, dragging, loosening and redistribution of infill, and cleaning – is necessary to keep them in top form.
Turfgrass has the added benefit of contributing to noise and glare reductions. Natural grass absorbs sound and can reduce noise levels by up to 10 decibels. Variation in the size, shape and angle of individual grass blades disperses sunlight to reduce glare and improve visibility in sunny conditions. Both qualities can benefit players and spectators alike in large and noisy stadiums.
Artificial fields are often cited for enabling more continuous play than their natural counterparts, which may need time to recover between heavy use. With a little pre-planning, turf managers can mitigate most of these challenges and protect the long-term playability of their natural turf fields. ‘The life of a natural field can be extended by rotating activities between fields, changing the daily location of practice on a field, or moving drills and practices around the field,’ said Van Loo. Taking care to preserve the quality and coverage of natural turf can also reduce unpredictable ball roll and bounce that may occur with bare, patchy growth.
Likewise, modern drainage systems are mitigating much of the water concern previously associated with natural grass. When asked how the Ravens’ field manages heavy rains, Follett explained, ‘We put in a full sand-based drainage system that percolates at 13 inches an hour; it would take a remarkable amount of rain.’
In warmer regions, heat presents a different challenge. The University of Missouri Turfgrass Research Center conducted a study in 2010 comparing surface temperatures of different types of playing fields. The university found that synthetic fields dissipate radiant heat, with surface temperatures regularly exceeding that of natural grass fields by 50 to 70 degrees Fahrenheit. In order to ensure player safety, teams must schedule practice and game times to cooler periods of the day or run irrigation systems that cool fields with water.
When choosing a surface, environmental impacts must also be considered. Fertilizer and pesticides are often associated with natural turf. However, organic options are proving successful and newer environmentally friendly fertilizer applications are now available. Additionally, the root and thatch layer in natural turf systems acts as a filter and removes pollutants before they enter surface or groundwater.
If water use is a concern, field managers can take conservation steps. Many recreational fields are overwatered, and devices such as rain sensors, soil moisture probes or evapotranspiration pans can help manage irrigation efficiency. Other water-saving options include using a drought-resistant species or encouraging deeper root development by allowing grass to grow taller.
With artificial turf, other environmental issues lurk below the surface. Crumb rubber infill comes from shredded tires that contain zinc and other metals. Some fear such elements could escape into the air or leach into water. Additionally, when artificial fields are replaced, the synthetic turf often ends up in landfills.
The final decision on natural grass or synthetic often comes down to immediate and long-term costs. According to the STMA, a natural field can cost from $ 0.60 to $ 5.00 per square foot, depending on soils and drainage installation, while construction of synthetic systems can run $ 4.50 to $ 10.25 per square foot. Annual natural turf maintenance costs vary based on the facility and climate regions, but annual expenditures average between $ 20,000 to $ 30,000 per field and are competitive with synthetic field maintenance and repairs. Based on Follett’s experience, while there were initial costs to transition M&T Bank Stadium back to natural turf, ‘there is not a significant difference in the ongoing maintenance of well-kept artificial turf and grass.’
Choosing between natural and artificial turf is not easy. It is a decision every field manager must weigh carefully, evaluating all factors including the perceptions of players and spectators to ensure long-term support for the field. ‘I recall one player coming up to me on the sidelines of a game,’ said Follett. ‘He gave me a big bear hug and said, ‘Dude, you have extended my career.’ Statistically, there isn’t strong evidence in either direction, but perception is reality.’
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Young Forrest (Michael Conner Humphreys) breaks free from his leg braces and discovers he can run like the wind blows.
“Stupid is as stupid does,” says Forrest Gump (played by Tom Hanks in an Oscar-winning performance) as he discusses his relative level of intelligence with a stranger while waiting for a bus. Despite his sub-normal IQ, Gump leads a truly charmed life, with a ringside seat for many of the most memorable events of the second half of the 20th century. Entirely without trying, Forrest teaches Elvis Presley to dance, becomes a football star, meets John F. Kennedy, serves with honor in Vietnam, meets Lyndon Johnson, speaks at an anti-war rally at the Washington Monument, hangs out with the Yippies, defeats the Chinese national team in table tennis, meets Richard Nixon, discovers the break-in at the Watergate, opens a profitable shrimping business, becomes an original investor in Apple Computers, and decides to run back and forth across the country for several years. Meanwhile, as the remarkable parade of his life goes by, Forrest never forgets Jenny (Robin Wright Penn), the girl he loved as a boy, who makes her own journey through the turbulence of the 1960s and 1970s that is far more troubled than the path Forrest happens upon. Featured alongside Tom Hanks are Sally Field as Forrest’s mother; Gary Sinise as his commanding officer in Vietnam; Mykelti Williamson as his ill-fated Army buddy who is familiar with every recipe that involves shrimp; and the special effects artists whose digital magic place Forrest amidst a remarkable array of historical events and people.
TM & © Paramount (1994)
Cast: Tom Hanks, Michael Conner Humphreys, Hanna Hall
Director: Robert Zemeckis
Producers: Wendy Finerman, Charles Newirth, Steve Starkey, Steve Tisch
Screenwriters: Winston Groom, Eric Roth
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Legend says that he is still running till this day
all the other kids with da pumped up kicks u better run better run fasta then ma brother
What happened to his legs? I haven’t seen the movie.
this movie is my favourite……
if you look at head when the throw rock his head bleedi
Is He related to sonic the hedgehog
i almost cried at this scene.
Pacer test lol
pro playa ten forrest
What I would have was run in the grass place, because bikes are slow on grass
Who's here from a vines that keep me from ending it all video
I’m crying. Right now.
What a great movie.
Who came here after watching those memes of it
I would've just punched them in their nuts
Did anybody come from "TheHealthyCow"?