| 1. |
- Söderman, Kerstin, et al.
(författare)
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Anterior cruciate ligament injuries in young females playing soccer at senior levels.
- 2002
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Ingår i: Scandinavian Journal of Medicine and Science in Sports. - : Wiley. - 0905-7188 .- 1600-0838. ; 12:2, s. 65-68
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this investigation was to study the consequences of anterior cruciate ligament injuries in female soccer players. Special interest was focused on young female soccer players (< 16 years) sustaining anterior cruciate ligament injuries when playing at a senior level, which means playing together with players 19 years or older. In Sweden, all players belonging to an organized soccer club are insured by the same insurance company, the Folksam Insurance Company. Data of all soccer-related knee injuries in females reported to the Folksam Insurance Company between 1994 and 1998 were collected. A questionnaire was sent to 978 females who were registered to have sustained a knee injury before the age of 20 years. The response rate was 79%. Three hundred and ninety-eight female soccer players who had sustained an anterior cruciate ligament injury before the age of 19 years were analysed. Most of their anterior cruciate ligament injuries had been diagnosed using arthroscopy or magnetic resonance imaging (84%). Thirty-eight percent of the players had been injured before the age of 16 years. Of these, 39% were injured when playing in senior teams. When playing in senior teams 59% of the players below the age of 16 years and 44% of the players 16 years or older sustained their ACL injuries during contact situations. At the time of this investigation (2-7 years after the anterior cruciate ligament injury), altogether 78% (n = 311) reported that they had stopped playing soccer. The most common reason (80%) was symptoms from their anterior cruciate ligament-injured knee. It appears that many young female soccer players injure their anterior cruciate ligament when playing at a senior level. Therefore, we suggest that female soccer players under the age of 16 years should be allowed to participate only in practice sessions but not games at a senior level.
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| 2. |
- Söderman, Kerstin, et al.
(författare)
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Balance board training : prevention of traumatic injuries of the lower extremities in female soccer players? A prospective randomized intervention study.
- 2000
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Ingår i: Knee Surgery, Sports Traumatology, Arthroscopy. - : Springer Science and Business Media LLC. - 0942-2056 .- 1433-7347. ; 8:6, s. 356-363
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Tidskriftsartikel (refereegranskat)abstract
- This prospective randomized intervention investigated whether training on a balance board could reduce the amount of traumatic injuries of the lower extremities in female soccer players. A total of 221 female soccer players from 13 different teams playing in the second and third Swedish divisions volunteered to participate in the study. Seven teams (n = 121) were randomized to an intervention group and six teams (n = 100) to a control group and were followed during one outdoor season (April-October). Before and after the season muscle flexibility and balance/postural sway of the lower extremities were measured in the players. There were no significant differences in age, height, weight, muscle flexibility and balance/postural sway of the lower extremities between the intervention and the control group. During the season the players in the intervention group performed a special training program consisting of 10-15 min of balance board training in addition to their standard soccer practice and games. After a 37% drop-out the intervention group consisted of 62 players and the control group of 78 players. The results showed no significant differences between the groups with respect either to the number, incidence, or type of traumatic injuries of the lower extremities. The incidence rate of "major" injuries was higher in the intervention group than in the control group. Four of five anterior cruciate ligament injuries occurred in the intervention group, which means that we could not prevent severe knee injuries in female soccer players with balance board training. However, among the players who had been injured during the 3-month period prior to this investigation there were significantly more players from the control group than from the intervention group who sustained new injuries during the study period.
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| 3. |
- Söderman, Kerstin, et al.
(författare)
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Risk factors for leg injuries in female soccer players : a prospective investigation during one out-door season.
- 2001
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Ingår i: Knee Surgery, Sports Traumatology, Arthroscopy. - : Springer Science and Business Media LLC. - 0942-2056 .- 1433-7347. ; 9:5, s. 313-321
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Tidskriftsartikel (refereegranskat)abstract
- The following possible risk factors for leg injuries in female soccer players were studied: age, anatomical alignment, generalized joint laxity, thigh muscle torque, muscle flexibility, ligamentous laxity of the knee and ankle joints, recent injuries, and duration of soccer exposure. A total of 146 players from 13 teams in the second and third Swedish divisions underwent clinical examination, isokinetic measurements of quadriceps and hamstring torques, and testing of postural sway of the legs. All soccer-related leg injuries resulting in absence from at least one scheduled practice session or game were recorded during one outdoor season (April-October). In 50 players there were 61 traumatic injuries, and 17 players sustained 19 overuse injuries. The overall injury incidence rate (traumatic and overuse) was 5.49/1000 h of soccer. Variables significantly increasing the risk of traumatic leg injuries included generalized joint laxity, low postural sway of the legs, hyperextension of the knee joint, and a low hamstring-to-quadriceps ratio during concentric action. Multivariate logistic regression showed hyperextension of the knee joint, a low postural sway, reduced H/Q ratio during concentric action, and a higher exposure to soccer to significantly increase the risk of traumatic leg injury. All five players who suffered an anterior cruciate ligament injury during the study period had a lower hamstring-to-quadriceps ratio during concentric action on the injured side than on their noninjured side.
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