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Marjan Someeh, Ali Asghar Norasteh, Hassan Daneshmandi and Abbas Asadi

Context:

Ankle sprains or chronic ankle instability (CAI) is common in athletes and a common method for decreasing the effects of ankle instable is using tape.

Objective:

To determine whether Mulligan ankle taping (MAT) influenced the functional performance (FP) tests in athletes with and without CAI.

Design:

A cross-sectional study using a within-subject experimental design between four ankle conditions (taped and untaped, athletes with and without CAI).

Setting:

Research laboratory.

Participants:

Sixteen professional athletes with unilateral CAI (10 men and 6 women; age 23.2 ± 3 years, height 175.4 ± 10.3 cm, weight 73 ± 14.5 kg, and body mass index 23.8 ± 3.6%) and 16 uninjured professional athletes (10 men and 6 women; age 22.8 ± 1.7 years, height 173.6 ± 12.2 cm, weight 66.4 ± 11.4 kg, and body mass index 22.2 ± 3.3%) volunteered to participant in this study.

Intervention:

Mulligan ankle taping.

Main Outcome Measures:

FP tests including single leg hopping course, Figure-of-8 hop and side hop were measured for both the groups in two conditions: taped and untaped.

Results:

There were significant differences between injured and uninjured athletes in all FP tests (P < .05). MAT significantly improved FP tests in both groups (P < .05).

Conclusion:

We found that MAT can improve FP tests in athletes with CAI and uninjured athletes. Therefore, it seems that MAT can be an effective method for enhancing athletes’ performance in sports that require lateral movements.

Open access

Thomas M. Newman, Giampietro L. Vairo and William E. Buckley

incidence of repetitive sprains. Although an abundance of literature exists focusing on the efficacy of braces in preventing ankle sprains in young, healthy, and physically active populations, there is a scarcity of evidence specific to the impact of these apparatuses on functional performance; therefore

Open access

Christie Powell, Jody Jensen and Samantha Johnson

causes an increase in injury risk and potential long-term health consequences, including burnout, growth plate injuries, and osteoarthritis. 7 Following an injury, identifying functional performance deficits, defined by return-to-sport criteria, minimizes injury risk factors and provides athletes with

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Brittany Mann, Allison H. Gruber, Shane P. Murphy and Carrie L. Docherty

motion may be restricted resulting in a decrease in performance, particularly during the vertical jump. 4 Laboratory-based studies, which evaluated how braces influence functional performances have led to mixed results. 4 , 7 , 10 , 11 , 13 The majority of the studies 7 – 19 have evaluated the

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Lütfiye Akkurt, İpek Alemdaroğlu Gürbüz, Ayşe Karaduman and Öznur Tunca Yilmaz

angle degree and the duration of ascending 4 steps. A strong correlation was detected between popliteal angle degree and the duration of the Gower’s. The flexibilities of other lower limb muscles were also moderately correlated to most of the functional performance tests. Table 4 The Relationship

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Caroline Lisee, Lindsay Slater, Jay Hertel and Joe M. Hart

, health care providers must apply the best evidence when making a return-to-play decision after injury. Strength, 4 functional performance, 4 and limb symmetry 9 are common sources of objective information that often inform clinicians when making return-to-play decisions. 9 – 11 Clinicians can compare

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Jason Brumitt, Alma Mattocks, Jeremy Loew and Phil Lentz

an individualized injury prevention training program. A recent trend in sport science research is to prospectively evaluate the effectiveness of functional performance tests (FPTs) to discriminate injury risk in a population of athletes. 9 – 13 The aforementioned prospective cohort studies have

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Ibrahim M. Altubasi

Aging is associated with increased time to perform functional activities ( Hurley, Rees, & Newham, 1998 ). Hurley et al. compared measures of functional performance among three different age groups (young, middle-aged, and older adults). The included tests for functional performance were the 50-ft

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Guy C. Wilson, Yorgi Mavros, Lotti Tajouri and Maria Fiatarone Singh

Functional performance is the ability to meet demands of the environment and is a requirement for independence in everyday life ( Cohen & Marino, 2000 ; Jette, 2009 ). It is a critical component of the physical, social, and psychological well-being of individuals. Failure to adequately maintain

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Rodrigo de Marche Baldon, Daniel Ferreira Moreira Lobato, Lívia Pinheiro Carvalho, Paloma Yan Lam Wun, Cátia Valéria Presotti and Fábio Viadanna Serrão

Context:

Recently, attention in sports has been given to eccentric hip-muscle function, both in preventing musculoskeletal injuries and improving performance.

Objective:

To determine the key isokinetic variables of eccentric hip torque that predict the functional performance of women in the single-leg triple long jump (TLJ) and the timed 6-m single-leg hop (TH).

Design:

Within-subject correlational study.

Setting:

Musculoskeletal laboratory.

Participants:

32 healthy women age 18–25 y.

Intervention:

The participants performed 2 sets of 5 eccentric hip-abductor/adductor and lateral/medial-rotator isokinetic contractions (30°/s) and 3 attempts in the TLJ and TH.

Main Outcome Measurements:

The independent variables were the eccentric hip-abductor and –adductor and medial- and lateral-rotator isokinetic peak torque, normalized according to body mass (Nm/kg). The dependent variables were the longest distance achieved in the TLJ normalized according to body height and the shortest time spent during the execution of the TH.

Results:

The forward-stepwise-regression analysis showed that the combination of the eccentric hip lateral-rotator and -abductor isokinetic peak torque provided the most efficient estimate of both functional tests, explaining 65% of the TLJ variance (P < .00l) and 55% of the TH variance (P < .001).

Conclusions:

Higher values for eccentric hip lateral-rotator and hip-abductor torques reflected better performance. Thus, the eccentric action of these muscles should be considered in the development of physical training programs that aim to increase functional performance.