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Foot Posture and Patellar Tendon Pain Among Adult Volleyball Players

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Old 18th February 2012, 02:53 PM
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Default Foot Posture and Patellar Tendon Pain Among Adult Volleyball Players

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Foot Posture and Patellar Tendon Pain Among Adult Volleyball Players.
de Groot R, Malliaras P, Munteanu S, Payne C, Morrissey D, Maffulli N.
Clin J Sport Med. 2012 Feb 14.
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OBJECTIVE:
We hypothesized that individuals with a normal foot posture would be less likely to experience patellar tendon pain and pathology than those with a pronated or supinated foot.

DESIGN:
Observational study.

SETTING:
Field-based study among competing athletes.

PARTICIPANTS:
Volleyball players competing in the Victorian State League, Australia.

ASSESSMENT OF RISK FACTORS:
Patellar tendinopathy (PT) is common in sports involving running and jumping and can severely limit athletes' ability to compete. Several studies have investigated potential etiological factors for the development of PT, but little is known about the association between PT and foot posture.

MAIN OUTCOME MEASURES:
Static foot posture index (FPI), patellar tendon pain during single-leg decline squatting, and gray scale ultrasound imaging were measured in 78 recreational to elite volleyball players (48 men and 30 women).

RESULTS:
Men with patellar tendon pain were more likely to have a normal foot posture and men without pain were more likely to be pronated according to the FPI (P < 0.05). Women showed no association between FPI and pain or imaging (P > 0.05).

CONCLUSIONS:
Men with a normal foot posture were more likely to have PT compared to men with a pronated foot type.
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Old 18th February 2012, 03:00 PM
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Default Re: Foot Posture and Patellar Tendon Pain Among Adult Volleyball Players

Related threads:
Reduced ankle range and patellar tendon injury
Effective treatment for patella tendonitis
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Old 15th October 2012, 07:11 PM
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Default Re: Foot Posture and Patellar Tendon Pain Among Adult Volleyball Players

Jumper's knee paradox—jumping ability is a risk factor for developing jumper's knee: a 5-year prospective study
Håvard Visnes, Hans Åge Aandahl, Roald Bahr
Br J Sports Med
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Background The ‘jumper's knee paradox’, where symptomatic athletes appear to perform better in a counter movement jump (CMJ) compared to asymptomatic controls in previous case–control studies is not fully understood.

Aim The aim was to examine the relationship between jumping ability and change of jumping ability as potential risk factors for developing jumper's knee.

Methods A 5-year prospective cohort study among elite volleyball players, aged 16–18. Jump tests were done on a portable force plate at the time of inclusion and semiannually. Jumper's knee was diagnosed based on a standardised clinical examination.

Results All 150 students (68 males and 82 females) were included and 28 developed jumper's knee (22 males and 6 females). At the time of inclusion, male athletes who went on to develop jumper's knee had significantly better results in CMJ (38.0±5.8 cm) compared to asymptomatic males (34.6±5.5 cm, p=0.03), while no difference was detected in standing jump (SJ: jumper's knee: 30.3±7.4 cm, asymptomatic: 28.1±6.1 cm, p=0.23). In a multivariate logistic regression analysis corrected for gender and previous volleyball training, the OR was 2.09 (1.03–4.25) per cm difference in CMJ at the time of inclusion. Our results did not reveal any significant differences in the change in jumping ability between the groups, although both groups improved their jump performance.

Conclusions Volleyball players with a natural ability for jumping high are at an increased risk for developing jumper's knee.
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Old 16th October 2013, 12:52 PM
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Default Re: Foot Posture and Patellar Tendon Pain Among Adult Volleyball Players

Characteristics and contributing factors related to sports injuries in young volleyball players.
Vanderlei FM, Bastos FN, Tsutsumi GY, Vanderlei LC, Netto J Júnior, Pastre CM.
BMC Res Notes. 2013 Oct 14;6(1):415.
Quote:
BACKGROUND:
The participation of young in volleyball is becoming increasingly common, and this increased involvement raises concerns about the risk of installation of sports injuries. Therefore, the objectives the study were identify the characteristics of sports injuries in young volleyball players and associate anthropometric and training variables with contributing factors for injuries.
METHODS:
A total of 522 volleyball players participating in the High School Olympic Games of the State of Sao Paulo (Brazil) were interviewed. A reported condition inquiry was used to gather information on injuries, such as anatomic site affected, mechanism and moment of injury, as well as personal and training data. The level of significance was set at 5%.
RESULTS:
A 19% frequency of injuries was found. Higher age, weight, height, body mass index and training duration values were associated with the occurrence of injuries. The most affected anatomic site was the ankle/foot complex (45 injuries, 36.3%). Direct contact and contactless mechanisms were the main causes of injuries (61 injuries; 49.2% and 48 injuries; 38.7%, respectively). Training was the moment in which most injuries occurred (93 injuries; 75%), independently of personal and training characteristics.
CONCLUSION:
Injuries affected the ankle/foot complex with a greater frequency. Direct contact and contactless mechanisms were the most frequently reported and injuries occurred mainly during training sessions. Personal and training characteristics were contributing factors for the occurrence of injuries.
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