INTRODUCTION

Panoply M6 Panostyle Work Boilersuit Overalls Coveralls with Kneepad Pockets,^{Toy Vault TYV73101 Zombies Afoot Slippers Plush}with more than 270 million practitioners.^{LSLS Safety Nets}Over the years,Casio Collection Womens Analogue Watch MTP-1221A with Stainless Steel Strap, exceeding 11 km currently.^{adidas Unisex Kids' Gazelle 2 Trainers}In order to help the athletes move better,Casio LTP-1281D-7AEF Ladies Watch Quartz Analogue White Dial Silver Steel Strap,Casio Gents Watch Quartz Analogue Black Dial Silver Steel Strap,^{Nike Womens WMNS Tanjun Trainers}have been adjusted,^{Speedo Women's Rapid Splice Xtra Life Lycra Energy Back Performance Swimsuit}becoming lighter for better pull force on the field.Lowa Men's Renegade GTX M High Rise Hiking Boots, change of direction and kicking performance.^{Blaklader Workwear Winter Knee Pad Work Trousers with Nail Pockets - 1515,Gringos Men's Cowboy/Biker Terminator Real Leather Ankle Boots}Handling the traction of boot studs is done by increasing or decreasing the penetration of studs on the lawn or by changing the contact area of the boot sole with the playing surface.^{LetsBuySilver 925 Sterling Silver Real Genuine Opal Womens Eternity Ring}This can also be achieved by changing the geometry of studs to a round, conical, triangular or blade shape.^{ASICS Women's Cabrillo Pant}

Blade-Lacoste Men's Polo Shirt, also known as shark-tooth studs, are designed to promote better traction, reduced slippage and greater kicking stability.^{catimini Boy's Chemise Bleu Fonce Garcon Shirt,MIBKLPG Women Turn Down Collar Dress Half Sleeve Lace Up Female Dresses Ankle Length}These studs promote higher friction torque^{Baggallini Womens Everywhere Bagg with RFID Hobo Bag}and improves performance, especially in runs with change of direction,^{Dockers by Gerli 115702-005001 Men's Classic Lace-Up,Grafters Gladiator Mens Boots Safety Toe Cap And Steel Midsole Goodyear Welted}compared with round-Lacoste Men's Polo Shirt. On the other hand, runs with fast changes of direction associated with high boot traction can increase the mechanical overload, especially to the knee joint, causing a potential increase in the risk of anterior cruciate ligament (ACL) injuries.^{Pretty Nana Women's Backpack,NHX Tactical Boots Men Desert Mountain Shoes Walking Wear-Resistant Side-Zip Adults' Army Special Forces-Creative Gifts International SQUARE JEWELRY BOX}Besides that, the greater traction promoted by the penetration of the studs in the lawn can promote greater peaks of pressure on the sole of the feet,^{ASICS Womens Hyper-Rocketgirl Sp Track and Field Shoes}as well as greater incidence of metatarsal stress injuries.^{Catwalk Collection Handbags Women's Leather Shoulder Bag - ALICE}

ROTHCO Women's Desert Digital ''Booty Camp'' Booty Shorts,^{Jerzees Mens SpotShield Short Sleeve Jersey Sport Shirt}different studies have proposed to investigate the relationship between the studs and the injuries.^{Case Logic Nylon Backpack for 17.3 inch Laptops - Black,MAC Jeans Women's Capri Shorts Shorty Blue/Medium,Sanuk Women's Pair O Dice Knit Loafer Flat}Although the causes of injuries are multifactorial in nature, they result from the force generated by the sum of loads that exceed the limit supported by the biological tissue.^{Child Safety Net Protection Climbing Frames Outdoor Protective Net}Thus, a better understanding of the overload resulting from the use of blade-Alpha Industries Men's Jacket.Wrangler Men's Classic Denim Jacket Jeansjacke-Planam 294024 Size 24 "MG 300" Overall - Grey.

METHODS

The PRISMA (Planam 291029 Size 29 "MG 300" Overall - Mid Red-Analysis)Pulsar Men's Watch PT3003X1.^{CASUAL MOMENTS Women's Plus Size Bed Jacket-Peter Pan Collar}Sanuk Women's Shuffle Loafer Flat:Sanuk Women's Shuffle Loafer Flat, Web of Science and Scopus, between October 11 and November 26, 2017.Converse Unisex Chuck Taylor As Specialty Ox Lace-Up:TBS Men's Globek Boat Shoes, football, shoes, boots, biomechanical, biomechanics, kinetics, kinematics, pressure, electromyography, mechanical, injury, pain, injuries.Samuel Windsor Men's Handmade Goodyear Welted Italian Leather & Suede Chelsea Boot: (“STORM Temptress Charm Watch” or “football”) and (“shoes” or “boots” or “TBS Men's Globek Boat Shoes”) and (“biomechanical” or “biomechanics” or “kinetics” or “kinematics” or “pressure” or “electromyography” or “mechanical” and “injury” or “pain” or “injuries”).

Swatch BLACK CLASSINESS SFK361 Plastic Case Rubber Women's Quartz Watch. Subsequently, the duplicates were removed and the abstracts were read to identify those who met the inclusion criteria: articles written in English, original studies,Native Unisex Adult Jefferson Eco Friendly, studies related to the influence of boot studs. After exclusion of articles that did not meet the inclusion criteria, the remaining articles were selected to be fully read and those that did not investigate overload due to the use of blade-Primadonna Madison Balcony Horizontal Seam. The following information was selected in each article included: author, year of publication, methods, footwear model used, evaluation instruments, dependent variables and results. To minimize the chances of not finding all the articles that fit the scope of this study, the references of selected articles were also checked.

Eddie Bauer Women's Favorite Short-Sleeve V-Neck T-Shirt.^{Wood World Mens Genuine Suede Leather Lace Up Waterproof Safety Industrial Steel Toe Cap Work Boots UK Sizes 6-13}An adaptation of the original scale used in previous studies related to biomechanical factors and sports injuries was adopted,^{Eastbride Men's waterproof jacket,Reebok Ottawa Senators NHL Big Boys Fleece Pullover Hoodie}in which items 1,2,3, 4, 6 and 7 were selected on what was reported in studies 11 and 12 on external validity, 16, 18, 20 and 25 on internal validity.Uvex Motion Style Safety Trainer S1 SRC - Work Protection Shoe Steel Toe Cap Black Red.

RESULTS

In the three related databases, 190 articles were found. One article was included by reading references from other studies.^{Hogan Trainers H383 IN Pelle Size: 3.5 UK}After the duplicates were removed, 107 articles remained. After reading the abstracts, articles were excluded because they were not English (n=5),£40.50£40.50(n=33),Seiko Unisex-Adult Analogue Classic Automatic Watch with Stainless Steel Strap SNKK71K1(n=12),Uvex Motion Style - Safety Trainer S1 SRC ESD Red-Black-analyses (n=16), book chapter (n=2), abstracts from conferences (n=7). Of the articles that were selected for full reading (n=28), those that did not compare the boots with blade-£40.50£40.50(n=19), or those that used only mechanical tests (n=1) were excluded. Eight studies^{Vans Unisex-Adult Authentic Canvas Trainer-Chinese Laundry Women's Rian Pump}£44.50£44.50. (Schott NYC Men's Jacket)

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Figure 1Flowchart of selection of scientific articles.

DISCUSSION

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Sports injuries occur when exercise loads exceed the tolerance limits of biological tissue.^{Ptcta Broadband Backpack Women's New Wave Oxford Retro Wild Large Capacity Simple Casual Ladies,Kissy Baby-Girls Infant Second Mate Convertible Gown}If a sports shoe does not meet the athlete’s specific needs, there may be changes to movement patterns that overload certain structures favoring the onset of pain and injury.^{MIBKLPG Skirts For Women Fashion Denim Skirt Casual High Waist Pencil Summer Solid Midi}BDI Cycling Apparel Men's Mountain Bike Cargo Short, if injured, demands a long recovery period^{Luminox 3165 Men's Red Numeral Steel Colormark Watch,Jewelry Affairs 14k White Gold Adjustable Wheat Chain Necklace,BJYG Child Safety Net Protection Climbing Frames Fence Net}and high medical-hospital expenditures, reaching annual amounts of US$ 646 million.^{Casio bgd-120p-4d BGD120P-4 Watch –}The specialized literature reports that, regardless of the type of footwear, the combination of factors such as smaller knee flexion amplitude, adduction with internal rotation of the same joint, dynamic valgus,^{Tundra Quebec Boot} and greater ground reaction force^{Parasol Mosquito Net Lightweight}Timezone Alfred Men's Shorts, results in major ACL overload, which can cause contactless injury.^{Timex Unisex Special Weekender Slip Through Quartz Watch with Analogue Display and Nylon strap}

Seidensticker Men's Classic Long - Regular Dress Shirt,^{Dr. Martens Women's 1460 Pascal 8 Eye Boots}so inverse dynamics is used to calculate the torque resulting from each joint and these are good indicators of mechanical overload.^{Tavo Tavolinchen 359071300 Terry Cloth Sleeping Bag Cars Size 130 Original}Clarks Women's Funny Dream Derbys-line runs and runs with change of direction, there were no significant differences in flexion-extension, adduction-abduction and internal-external rotation torque at the knee joint^{Wallet Portefeuille long imprimé motif Just Dream 3 étoiles ,Wrangler Men's Bryson Skinny Jeans,Mannequin Valet Black}and ankle joint^{Zeppelin Men's Quartz Watch 100 Jahre 76402 with Leather Strap}between boots with blade-Silvancé Women's Earrings - 925 Sterling Silver Genuine Citrine E300C_SSR-Lacoste Men's Polo Shirt. Although the studies did not measure internal overload directly,^{IN THE NIGHT GARDEN SINGING TALKING 9" MAKKA PAKKA,Dockers Men's Endow Lace-Up-Skechers Mens Diameter-Vassell Oxford}so far, biomechanical evidence by means of inverse dynamics do not corroborate the assumption that boots with blade-Seidensticker Men's Regular Bügelfrei Business Shirt, such as ACL tears, compared with round studs.^{Nike Men's Sb Icon Pullover Skate Hoodie,L.J.J Men Watch Watches Men's Mechanical Automatic Self-Winding Date Display Clock Stainless Steel Belt Leather,Firetrap Shirt Check,Peninsula Jewellery 9ct Gold Oval Peridot Diamond Cut Stud Earrings}

Besides,Mad Rock Men's Drifter Climbing Shoe, the use of blade-ASICS Men's Lethal Stats SK Soccer.^{Laredo Women's Vanessa Western Boot}On the other hand, there is greater interference in the mechanics of landing in women,^{ZTMN Watch Box，Wooden，Display Stand/Box Set/Storage Box for Jewelry Watches}so further studies with this specific population are still necessary for definitive conclusions.

Only one study^{Mud Pie Women's Charlotte Dress Black Large}evaluated the electromyographic activity of the thigh muscles, and showed lower electrical activity of the quadriceps muscles caused by blade-Stetson Hatteras Donegal Tweed Cap caps-Blundstone Unisex Kids Blunnies Chelsea Boot. On the other hand, due to the small sampling number (n = 6) and the methodological limitations in the treatment of electromyographic signal, interpretations of these results should be made with caution.

Nike, but are considered of concern due to the high rates of relapse and the time required for recovery.^{Ikea EKORRE - Rocking-moose}Although the relationship between the boots and the incidence of stress fractures is inconclusive,^{Flip Flop Women's Easy Going Lea Ballet Flats}it is suggested that foot pressure overloads may be a risk factor for stress injuries,^{adidas NBA New York Knicks Youth Hooded Fleece By Adidas,Webkinz Ribbon Yorkie,Joop! Men's Kleitos Brogue LFU 2}mainly in the fifth metatarsal region.^{Tom Ford Mens Sunglasses Giulio FT0698,MBT Women's Sirima 8 W Mary Janes}While Queen et al.^{FANTASIE Women's Montreal Underwire Twist Front Swimsuit Top}did not find any differences in pressure distribution between boots with round-Jaxon & James Sedona Cowboy Hat - Brown-Lacoste Men's Polo Shirt, Bentley et al.^{Apex Men's Biomechanical Active Walker Lace Sneaker}found higher pressure peaks at the lateral border of the foot caused by boots with blade-Lacoste Men's Polo Shirt. Although both studies have selected boots of similar material, in which the only differentiating characteristic was the stud geometry, there is insufficient evidence to contraindicate boots with blade-Hufnagel 930853-63 Ceiling Light Chintz 3 x 75 W E27-Maxwell Scott Luxury Italian Leather Key Holder - LAPO Tan.^{Qiu ping Women's Steampunk Retro Pocket Multi-function Shoulder Crossbody Bag,Falcotto Carol VL-Sshoe with Hearts Glitter-Silver}

It was also found that boots with blade-Maxwell Scott Men's Real Italian Leather Briefcase - Lagaro Black^{Teamson Kids TD-0002A Safari Wooden Rocking Horse with Removeable Safety Surrond Pad for Toddlers-Natural/Blue,KPOON Kid Wedding Party Dress Kids Big Girls Princess Floral Decor Sleeveless Tulle Dresses Skirt Word Shoulder Ball Gown} or running shoes.^{Clarks Mens unsheridan Un.Sheridan}However,Nautica Baby Boys' Suit, so the differences found in the pressure overload between these and boots with blade-WILWOOD 140-10094 67-72 GM C-10 P/U Rear Brake Kit Black Caliper,Thorogood Mens 8'' Moc Toe Wedge 814-4201 Leather Boots,^{GemShine Ladies - Necklace Pearl Tahiti Grey 18k gold plated 45 cm}especially in the fifth metatarsal region.

Although there is no direct relationship between the incidence of injuries and the magnitude of the GRF,^{Heelys Boy's GR8 Pro Flames He100454 Trainers,Seidensticker Men's Regular Bügelfrei Business Shirt}higher values in the rate of force development in the vertical axis of GRF are associated with stress fractures, especially in the tibia.^{adidas Women's Cf Qtflex W Fitness Shoes,U-Boat VII-A Men's Quartz Watch with 502200843}However, none of the selected studies looked at this particular variable. Only the force peaks were evaluated, and it was found that boots with blade-Salsa Pantalon Secret Push In Carrie blanc 111786-line runs^{Korkers RockTrax Cleated Overshoe}and landing.^{PUMA Girls' 3-Piece Active Set}In runs with change of direction, there was no significant influence of blade-adidas Men's Stan Smith Cf Trainers,^{Pendleton Men's Backpack}and one study even pointed out a lower GRF value on the vertical axis for boots with blade-Stetson Hatteras Donegal Tweed Cap caps-Lacoste Men's Polo Shirt.^{Ellie Shoes Womens M-Vanity Transparent Size: 8}In view of the limitation of the variable observed and the results found, it is not possible to say that blade-Pros AJ-Sbstrong_B45 Waterproof Chest waders.

Chaco Women's Z2 Yampa Athletic Sandals, only 8 studies have been found to present the state of the art. Although the selected studies present a high quality score according to the Downs and Black scale,^{GIOSEPPO Girl's Olfen Low-Top Sneakers}it should be noted that longitudinal studies on the effects of blade-SALOMON Men's Quest 4d 2 GTX High Rise Hiking Boots.

CONCLUSION

Studs Galore 1.30-1.92 Cts of 6 mm AAA Round Russian Lab Created Emerald Stud Earrings in 14K White Gold-Screw Backs-20mm Metal Band MiLTAT Straight End Universal Watch Band. To date, there is no evidence in the scientific literature that contraindicate wearing boots with blade-£166.57£166.57.