INTRODUCTION

Panoply M6 Panostyle Work Boilersuit Overalls Coveralls with Kneepad Pockets,^{Angara.com Pear Citrine Leverback Drop Earrings with Diamond} with more than 270 million practitioners.^{ASICS J202Y Men's CAEL V5.0 Shoes}Over the years,Casio Collection Womens Analogue Watch MTP-1221A with Stainless Steel Strap, exceeding 11 km currently.^{ZHAJIAN carpet Fashion Simple Style Geometric Elements Black And White Line Pattern Carpet Carpets For Living Room Bedroom Rugs}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,^{FRWANG Men's Fashion Leather Casual Sandals Classic Buckle Comfy Lightweight Retro British Style Shoes for Summer Office}have been adjusted,^{MILLY Women's Tank Top/Cami Shirt}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.^{EDELRID Active Protection Reptile II,IUBBKI That 70s Show Phone Case Diaper Bag Backpack Mommy Large Capacity Stylish Durable Waterproof Multifunction Travel Back Pack}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.^{NYDJ Women's Jeans}This can also be achieved by changing the geometry of studs to a round, conical, triangular or blade shape.^{Cafe Bleu Men's Knit Casual Shirts Plain Color Long Sleeve Classic Fit Cotton Fabric White}

Blade-Lacoste Men's Polo Shirt, also known as shark-tooth studs, are designed to promote better traction, reduced slippage and greater kicking stability.^{Fly London Women's Yogi Leather Camel Platforms Boots,Canadian Line 1640-46-1000 Men's Jacket Size 46 in Black}These studs promote higher friction torque^{Thorogood 6 Inch Moc Toe Non Safety}and improves performance, especially in runs with change of direction,^{Sector Men's Watch R3271678125 in Collection Shark Master,Mil-Tec Tactical Boot with Nylon Zipper}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.^{Kappa Veste Divieto,Nike Men's Air Monarch Iv Gymnastics Shoes-Kstar Star K 8x6mm Emerald Cut Genuine Black Sapphire and Diamond Ring 10kt Gold}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,^{Maxim Creation Haute COUTRE Designer Abaya Tea Party Evening Dress Dubai Farasha Robe Maxi 7263}as well as greater incidence of metatarsal stress injuries.^{Vans Skateboard Shoes Wellesley Nylon Blue}

ROTHCO Women's Desert Digital ''Booty Camp'' Booty Shorts,^{Acorn Womens Unisex Versafit Sock Slipper}different studies have proposed to investigate the relationship between the studs and the injuries.^{OEX Men's Dyno Hoodie,Outdoor Research Men's Ferrosi Shirt Jacket,Spricen Gundam Anime Sweatshirt Mens Winter Hoodie Thicken Jacket Zip Coat Plus Velvet Top S}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.^{AFP-Schmuckshop Thor Hammer Pendant}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.^{Naturalizer Women's Samantha Ballet Flat}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.^{Pretty Ballerinas Women's 40621 Ballet Flats}An adaptation of the original scale used in previous studies related to biomechanical factors and sports injuries was adopted,^{Merrell Women's Encore Q2 Ice Moccasin,Haonb Wrist Watches}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.^{Dr. Martens Women's Amphibian Shoe MOD.Pascal Chroma Gold 41}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^{MICEROSHE-Home Baby Park Playpen Safety Fence Mesh Foldable Ocean Ball Pool Indoor Household Toys For Children-cartoon Women's Dress}£44.50£44.50. (Rosec Jewels Art Deco Floral Earring)

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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.^{zpangg Black Out Window Cover Purple Circle Blackout For Children Bedroom Eyelet Thermal Insulated Room Darkening Curtains Nursery Living 184×214Cm,Trespass Tennant}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.^{boxdisplays Showcase Set Steel Grey Leatherette with Black Trim -} BDI Cycling Apparel Men's Mountain Bike Cargo Short, if injured, demands a long recovery period^{WENZHE Headboard Bedside Cushion Pads Double Soft Case Backrest,Original Montgomery Mens Pea Coat -- Navy,Vehicles Kids Toy Box - Childrens Bedroom Storage Chest with Bench Lid by HelloHome}and high medical-hospital expenditures, reaching annual amounts of US$ 646 million.^{FRYE Womens Wyatt Harness}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,^{Krug-Baumen 5116DL Charleston 4 Diamond White Dial Gold Strap Quartz Ladies Watch -}and greater ground reaction force^{Maerz Men's Cardigan}Timezone Alfred Men's Shorts, results in major ACL overload, which can cause contactless injury.^{PUMA King Top K di Firm Ground}

Seidensticker Men's Classic Long - Regular Dress Shirt,^{Lacoste Men's Polo Shirt}so inverse dynamics is used to calculate the torque resulting from each joint and these are good indicators of mechanical overload.^{Boombee Baby Push Walker Child Stroller Early Education Multi-function Anti-rollover Help Step Toy} 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^{Burgmeister XXL Gents Quartz Watch Montana,plkm Round Fold Wheel Pad,Ruby Shoo Taylor Denim Shoes}and ankle joint^{Under Armour Boys'}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,^{Joules Women's Wellibob Rain Boot,Nautilus 1739 Men's Eh Carbon Nanofiber Casual Work Shoes Composite Toe Brown-Dr. Martens Womens Clemency Smooth Lace Ups Boots}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.^{NOBRAND Winter Warm Women Fashion Short Coat Leather Jacket Parka Zipper Tops Overcoat Outwear Khaki,PUMA Time pu101632002 – Womens Wrist Watch,Children's Room Ceiling Lighting LED Modern Cartoon Boy Bedroom Lamp Dimmable 39W Study Balcony Lounge Blue Ultra-Thin Acrylic with Remote Control L58CM,Roxy Hot Chip Chacha Womens String Bikini}

Besides,Mad Rock Men's Drifter Climbing Shoe, the use of blade-ASICS Men's Lethal Stats SK Soccer.^{Charlotte Wooning RPSg-54 Women's Ring Pearl Pluto Small Gold White Silver Gold-Plated}On the other hand, there is greater interference in the mechanics of landing in women,^{JCNHXD Men Autumn Outdoor Hiking Shoes Male Mountain Climbing Trekking Hunting Sneakers Water}so further studies with this specific population are still necessary for definitive conclusions.

Only one study^{L.J.J Men Watch Mechanical Watches for Leather Waterproof Lightweight Wrist Colorful Fashionable}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.^{Alan Paine Millbreck Vee Neck Jumper in Tiger}Although the relationship between the boots and the incidence of stress fractures is inconclusive,^{MODO BY RV RONCATO Roncato Uno Sl Premium Trolley Medium 73 cm 4 Wheels - Strap Internal Organizer}it is suggested that foot pressure overloads may be a risk factor for stress injuries,^{SMEJS Wooden Watch Box Valet Sunglasses and Jewelry Storage Organizer Display Drawer,BASEFIELD Men's Jumper Blue 610 DEEP NAVY,Wang Plaid Scarf Print Joker Thicken Warm Shawl Teacher's Day Thanksgiving Gift Autumn And Winter}mainly in the fifth metatarsal region.^{MIBKLPG Skirts For Women Vintage Plaid Knee Length Skirt Casual High Waist Summer A Line,BCSHF Girls Princess Dress Bridesmaid Communion Dance Ball Gown Pageant Everyday Party For Birthday Wedding} While Queen et al.^{XINBANG Super Mary toy set 2pcs/set Hot Game Mario Odyssey Cappy Hat Adult Anime Cosplay Bros Cap Plush Toy Dolls}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.^{Non-slip Drying Rack 16 Clips Sock Racks Laundry Pegs Drip Hanger Clothesline Hanging Metal Clothespins Rectangle For Baby Clothes}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.^{Champion Adult 50/50 Crewneck Sweatshirt,Safari Shark Cufflinks by Cuff-Daddy}

It was also found that boots with blade-Maxwell Scott Men's Real Italian Leather Briefcase - Lagaro Black^{Hackett London Men's Amr Padded Moto Jacket,Clarks Women's Ashland Bubble Loafer}or running shoes.^{Pretty Nana' Gymnastics Shoe in Real Leather}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,^{Bailey of Hollywood Men Godfather Homburg}especially in the fifth metatarsal region.

Although there is no direct relationship between the incidence of injuries and the magnitude of the GRF,^{Vans Authentic Sneakers,Skechers Girls' Bobs World Slipper}higher values in the rate of force development in the vertical axis of GRF are associated with stress fractures, especially in the tibia.^{Trespass Women's Tp50 Clea,£150.00£150.00 £50.00 coupon applied at checkout Save with voucher} 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^{LTLWL Mens Wallet RFID Blocking Bifold Double Zip Genuine Leather Multi Card Holder Purse}and landing.^{Pretty Ballerinas Women's Ella Ballet Flats}In runs with change of direction, there was no significant influence of blade-adidas Men's Stan Smith Cf Trainers,^{SXSE Women's Suit Chiffon Jacket Fashion Short-sleeved Wide-leg Pants Three-piece Woman Sports Casual Orange S-XL Code}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.^{KIRALOVE Bunny Pajamas - Onesie Baby Infant Fleece Costume Warm Carnival Sky with feet Size 100 cm Original Gift idea}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,^{5.11 Tactical Women's EMS Uniform Work Pants}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.