Clinical Scenario: Kinesiophobia is a common psychological phenomenon that occurs following injury involving fear of movement. These psychological factors contribute to the variability among patients’ perceived disability scores following injury. In addition, the psychophysiological, behavioral, and cognitive factors of kinesiophobia have been shown to be predictive of a patient’s self-reported disability and pain. Previous kinesiophobia research has mostly focused on lower-extremity injuries. There are fewer studies that investigate upper-extremity injuries despite the influence that upper-extremity injuries can have on an individual’s activities of daily living and, therefore, disability scores. The lack of research calls for a critical evaluation and appraisal of available evidence regarding kinesiophobia and its contribution to perceived disability for the upper-extremity. Focused Clinical Question: How does kinesiophobia in patients with upper-extremity injuries influence perceptions of disability and quality of life measurements? Summary of Key Findings: Two cross-sectional studies and one cohort study were included. The first study found a positive relationship between kinesiophobia and a high degree of perceived disability. Another study found that kinesiophobia and catastrophic thinking scores were the most important predictors of perceived upper-extremity disability. The third study found that kinesiophobia contributes to self-reported disability in the shoulder. Clinical Bottom Line: There is moderate evidence that supports the relationship between kinesiophobia and perceived disability, and the relationship between elevated perceptions of disability and increased kinesiophobia scores in patients with an upper-extremity injury. Clinicians should evaluate and monitor kinesiophobia in patients following injury, a condition that can enhance perceptions of disability. An elevated perception of disability can create a cycle of fear that leads to hypervigilance and fear-avoidance behavior. Strength of Recommendation: Consistent findings from reviewed studies suggest there is grade B evidence to support that kinesiophobia is related to an increased perceived disability following upper-extremity injuries.
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Olivia Bartlett and James L. Farnsworth II
James L. Farnsworth II, Todd Evans, Helen Binkley, and Minsoo Kang
Context: Documentation of patient outcomes following injury is critical to ensure that patients are receiving the best care. Several patient-reported outcome measures (PROMs) have been developed to assess knee-related function following injury; however, there is limited data investigating the measurement properties of these instruments using Rasch model analyses. Objective: To evaluate the measurement properties of several PROMs through application of the Rasch measurement model. Design: Cross-sectional study. Setting: Clinical setting. Patients or Other Participants: A convenience sample of 160 adults (mean age = 28.08 [10.95] y; male = 38.10%) were recruited for this study. Data collected were combined with existing pilot data from an earlier study containing de-identified Knee Injury and Osteoarthritis Outcome Score (KOOS) data from 79 adults with knee injuries resulting in a total sample size of 239 adults. Intervention(s): Psychometric evaluation of the KOOS, International Knee Documentation Committee subjective knee form, and the Marx Activity Rating Scale using the Rasch partial credit model. Main Outcome Measures: Infit and outfit statistics, item step difficulties, person ability parameters, category function, and item and test information functions. Results: Large ceiling effects were present in the KOOS and International Knee Documentation Committee subjective knee form. Of the 65 items examined in this study, 35 items showed poor measurement properties. Item step difficulty for the remaining 30 items ranged from −5.45 (least difficult) to 0.57 logits (most difficult). The 5-category response options did not function well. Measurement precision decreased significantly as ability score increased beyond 0.30 logits. Conclusions: Despite their use in clinical practice, several items showed poor measurement properties. Future studies are needed to develop and evaluate novel items that are suitable for measuring knee-related function in high-functioning populations to ensure continuity of PROMs as individuals recover from injuries.
Bethany L. Anderson, Rod A. Harter, and James L. Farnsworth II
Clinical Scenario: Dynamic stretching and foam rolling are commonly used by athletes to reduce injury and enhance recovery, thereby improving athletic performance. In contrast to dynamic stretching, little research has been conducted on the acute effects of foam rolling as part of the preexercise warm-up routine. Previously, when researchers implemented foam rolling with static stretching as a warm-up, some found that foam rolling slightly improved flexibility and performance outcomes. More recent research has shown that dynamic stretching is favorable to static stretching when used as a warm-up strategy. Therefore, adding foam rolling to dynamic stretching is hypothesized to create more significant improvements in flexibility and performance compared with adding foam rolling to static stretching. Focused Clinical Question: In active individuals, does foam rolling in addition to dynamic stretching lead to enhanced performance compared with dynamic stretching alone? Summary of Key Findings: Four randomized controlled trials were included. Two studies concluded that the addition of foam rolling to dynamic stretching increased vertical jump height more than dynamic stretching alone, while 2 studies found no difference between these treatment groups. Two studies concluded that the addition of foam rolling increased agility performance compared with dynamic stretching alone, while one study found no difference between treatment groups and one study did not measure agility. All 4 studies reviewed concluded that foam rolling did not improve flexibility more than dynamic stretching alone. Clinical Bottom Line: Foam rolling in conjunction with dynamic stretching may further improve an athlete’s agility and power output; however, little improvement has been observed with foam rolling in regard to athlete flexibility when compared with completing dynamic stretching programs alone. Strength of Recommendation: Inconsistent findings from 4 randomized controlled trials suggest there is Grade C evidence to support the inclusion of foam rolling in a dynamic warm-up.
James L. Farnsworth II, Todd Evans, Helen Binkley, and Minsoo Kang
Context: Previous research suggests that several knee-specific patient-reported outcome measures have poor measurement properties. The patient-reported outcomes knee assessment tool (PROKAT) was created to improve assessment of knee-specific function. Examination of the measurement properties of this new measure is critical to determine its clinical value. Objective: Examine the measurement properties of the PROKAT. Design: Cross-sectional study. Setting: Clinical athletic training setting. Patients or Other Participants: The pilot study included 32 student-athletes (mean age = 20.78 [1.01], males = 56.30%). The full study included 203 student-athletes (mean age = 21.46 [4.64], males = 54.70%) from 3 separate institutions. The participants were recruited for both the pilot and full study using face-to-face and electronic (eg, email and social media sites) communications. Intervention(s): Evaluation of the measurement properties of the PROKAT occurred using the Rasch partial-credit model. Main Outcome Measures: Infit and outfit statistics, item step difficulties, person ability parameters, category function, item and test information functions, and Cronbach alpha. An independent samples t test was used to evaluate the differences in injured and noninjured athletes’ scores. Results: The Rasch partial-credit model analysis of pilot test items and qualitative participant feedback were used to modify the initial PROKAT. Evaluation of the revised PROKAT (32 items) indicated 27 items had acceptable model–data fit. The injured athletes scored significantly worse than the noninjured athletes (t 188 = 12.89; P < .01). The ceiling effects for the PROKAT were minimal (3.9%). Conclusions: A major advantage of this study was the use of the Rasch measurement and the targeted population. Compared with alternative knee-specific patient-reported outcome measures (eg, Knee Injury Osteoarthritis Outcome Score, International Knee Documentation Committee Subjective Knee Form), the PROKAT has low ceiling effects in athletic populations. In addition, evidence suggests the measure may be capable of distinguishing between injured and noninjured athletes.
Bradley J. Cardinal, Minsoo Kang, James L. Farnsworth II, and Gregory J. Welk
Kinesiology leaders were surveyed regarding their views of the (re)emergence of physical activity and public health. Their views were captured via a 25-item, online survey conducted in 2014. The survey focused on four areas: (a) types of affiliation with public health; (b) program options and course coverage; (c) outreach programming; and (d) perspectives on integration. Member and nonmember institutions of the American Kinesiology Association received the survey. Responses were received from 139 institutional leaders, resulting in an overall response rate of 21.4%. Key findings included that the combination of physical activity and public health was seen as both a stand-alone subdisciplinary area within kinesiology and also an area that has a great deal of potential for collaboration, the acquisition of external funding, and further strengthening of community outreach and engagement. The survey results are placed in historical context and interpreted with various caveats and limitations in mind.