Athletic footwear and orthoses in sports medicine part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Athletic footwear and orthoses in sports medicine part 2
Athletic footwear and orthoses in sports medicine part 2
Part IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 ng continues to increase. It is imperative that the sports medicine practitioner has a basic understanding and knowledge of running shoes and custom fool orthoses. Walking and running shoes must have the ability to absorb shock (cushioning), guide the foot through each step (stability), and withstan Athletic footwear and orthoses in sports medicine part 2 d repetitive pounding (durability). This chapter further reviews lower extremity walking and running biomechanics, running foot types and injuries, ruAthletic footwear and orthoses in sports medicine part 2
nning footwear recommendations, and custom foot orthoses.Gait Biomechanics: Walking vs. RunningThe human gait cycle is complicated: it consists of a cPart IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 During walking, the foot is in contact with the ground (stance phase) 60% of the time and off the ground (swing phase) 40% of the time. Both feet are in contact with the ground 20% of the time.The running gait cycle does not have a period of double stance, but does have a period of double float pha Athletic footwear and orthoses in sports medicine part 2 se in which both feet are off the ground at the same time. Running consists of only a swing phase and a stance phase. Impact shock with running is greAthletic footwear and orthoses in sports medicine part 2
ater than walking, reaching 2-3 times body weight. Walking has a wider base and angle of gait than with running, and as running speed increases, the iPart IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 an walking, and as speed increases, the amount of energy absorbed by the muscles increases as well.J.F. Connors (E3)Private Practice, 200 White Road. Little Silver, NJ 07739. USAM.B. Werd. E.L. Knight (eds.), Athletic Footwear and Orthoses in Sports Medicine.143144J.F. ConnorsDuring running, the swi Athletic footwear and orthoses in sports medicine part 2 ng phase is longer compared to walking where the stance phase is longer. Stride length is longer with running and shorter with walking, and muscle actAthletic footwear and orthoses in sports medicine part 2
ivity is greater with running compared to walking.Subotnick 11 ] has reported on the fundamental differences between walking and running. Subotnick anPart IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 eet contact the ground directly under the center of mass of the body.Video gait analysis allows the sports medicine specialist to assess the normal or abnormal mechanics of a walker or runner, assisting the practitioner to recommend appropriate running shoes and custom sport orthoses.Classification Athletic footwear and orthoses in sports medicine part 2 of Running Foot TypesThe Neutral FootThis is the ideal foot type for long distance running. The forefoot is perpendicular to the rearfoot with no obviAthletic footwear and orthoses in sports medicine part 2
ous forefoot varus or valgus. The foot is perpendicular to the leg at the ankle joint. The subtalar joint is neutral: neither pronated nor supinaled; Part IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 es low-arch foot that is excessively pronated. Il is the most common of all biomechanical problems seen in a sports medicine practice. There is an increase in the range of motion at the subtalar joint and midtarsal joints which increases the parallel alignment on the midtarsal axis, permitting great Athletic footwear and orthoses in sports medicine part 2 er range of motion (abnormal motion). With the pronated foot during running, the key factor is for the foot to be neutral in the middle of midstance.Athletic footwear and orthoses in sports medicine part 2
When there is no sequential phasic resupination. torque and counter torque result, causing injury. Fatigue results when muscles work overtime against Part IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 e which has decreased or limited pronation. A neutral foot has the normal amount of pronation and dissipates stress and helps protect bone and soft tissue supporting structures, while a cavus foot which lacks normal pronation is associated with excessive shock to bone and supporting structures. The Athletic footwear and orthoses in sports medicine part 2 cavus fool has a decreased range of motion, increased stiffness, and decreased pronator}- compensation [3],15 Walking and Running145Classification andAthletic footwear and orthoses in sports medicine part 2
Selection of a Running Athletic ShoeA runner’s foot type (high arch. Hatfoot, or normal arch) will help determine the appropriate type of running shoPart IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 s have a treadmill allowing the patient to try on different types of running athletic shoes.Normal ArchThis is considered a neutral foot (normal pronator). This foot type is able to withstand the stress placed on the body while running. A stability running shoe is recommended for this foot type beca Athletic footwear and orthoses in sports medicine part 2 use it offers stability in the rear foot and flex-ibility/cushioning in the forefoot, thus allow ing the normal motion to occur in the body.Flat footAthletic footwear and orthoses in sports medicine part 2
ArchPes planus foot type, an overpronator which has too much motion within the foot. Over the course of training, the body will eventually breakdown lPart IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 uries seen by a specialist, plantar fasciitis. Achilles tendonitis, posterior shin splints, and runners' knee. This foot type benefits from stability plus or a motion control running shoe.High ArchCavus foot type, an underpronator which is rigid and considered a poor shock absorber and is susceptibl Athletic footwear and orthoses in sports medicine part 2 e to overuse injuries with distance running. Patients with this foot type do w ell with neutral/cushioned running shoes. These types of running shoesAthletic footwear and orthoses in sports medicine part 2
encourage motion to occur, thus decreasing the stress being placed on the lower extremity.A women's foot is shaped differently than a man's foot. PropPart IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runnin Athletic footwear and orthoses in sports medicine part 2 225 women aged 20-60 and found that more than half had narrow heels that caused problems when buying running shoes [4]. Running shoe companies are now' making running and walking athletic shoes to accommodate this foot type. They are now making some running athletic shoes that are built narrower in Athletic footwear and orthoses in sports medicine part 2 the heel (rearfoot) and wider in the toe box (forefoot).It is very important to note that the shape of the fool should match the shape of the runningAthletic footwear and orthoses in sports medicine part 2
shoe. For example, a high-arched foot has a curved appearance, soPart IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runninPart IISport-Specific RecommendationsChapter 15Walking and RunningJohn F. ConnorsAs more people strive to be fit. the popularity of walking and runninGọi ngay
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