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The purpose of this study was to test a partnered, self-determination theory–informed mobile health intervention called SCI Step Together, using an 8-week randomized controlled trial design. The aim of SCI Step Together is to increase the quantity and quality of physical activity (PA) among adults with spinal cord injury (SCI) who walk. The SCI Step Together program provides PA modules and PA self-monitoring tools and facilitates peer and health coach support. Process, resource, management, and scientific feasibility were assessed, and participants completed questionnaires at baseline, mid-, and postintervention to assess determinants and outcomes of PA. Interviews were conducted to evaluate acceptability. Results suggest that the program demonstrated good feasibility, acceptability, and engagement. The intervention group (n = 11) had greater fulfillment of basic psychological needs and knowledge (p =.05) than the control group (n = 9). There were no significant interaction effects for other outcomes. The SCI Step Together program is feasible and acceptable and efficacious for improving some psychosocial variables. Results may inform SCI mobile health programs. [ABSTRACT FROM AUTHOR]

Neuropathic pain is a debilitating consequence of spinal cord injury. Ecological momentary assessment can be a valuable research tool for understanding temporal fluctuations in neuropathic pain and designing effective management strategies. The objectives of this study were to (a) describe strategies necessary to adapt ecological momentary assessment to measure neuropathic pain in adults with spinal cord injury, and (b) explore participant perceptions of using ecological momentary assessment to measure pain sensations. End-users with spinal cord injury provided input to guide development of an ecological momentary assessment protocol. Six adults with spinal cord injury (ages 27–50 years, M = 39.33 ± 8.24) engaged in the six-day protocol and completed six daily neuropathic pain assessments. Upon finishing participants completed a semi-structured interview regarding their protocol experiences. A qualitative content analysis was used to analyze the interview data. Participants reported that this specific ecological momentary assessment protocol was unobtrusive to their daily routines, and effectively captured their neuropathic pain sensations. However, participants experienced increased neuropathic pain due to the repeated nature of assessments. Ecological momentary assessment can capture the dynamic nature of neuropathic pain experienced by persons with spinal cord injury. However, caution should be taken when designing intensive pain-related protocols to minimize pain exacerbation. Neuropathic pain affects up to 75% of people with spinal cord injury and is one of the most frequently occurring, debilitating forms of pain. Appropriate and feasible pain data collection methods are necessary to acquire a better understanding of how neuropathic pain manifests in people with spinal cord injury. Implementing ecological momentary assessment in a rehabilitation setting may help facilitate the monitoring of neuropathic pain for both rehabilitation professionals and persons with SCI. Using ecological momentary assessment may lead to a better understanding of individual temporal patterns of neuropathic pain that could inform the design of tailored neuropathic pain management techniques. [ABSTRACT FROM AUTHOR]

Sport and exercise participation are associated with small, albeit positive changes in subjective well-being (SWB). Recent theorizing has emphasized the importance of distinguishing between performance aspects (i.e., frequency, intensity, time engaged) and the experiential aspects of sport and exercise participation among people with disabilities. This study assessed the relative contributions of time spent participating in sport and exercise (a performance measure) versus measures of participation experiences, in explaining variance in SWB. Participants were 535 adults with physical disabilities, recruited through a nation-wide survey, who participated in sport (n = 271; 62% male; 44 ± 14 years) or exercise (n = 264; 42% male; 57 ± 14 years). They completed measures of minutes/week of sport or exercise participation, experiential aspects of participation, and SWB (overall life satisfaction, satisfaction with physical, psychological and social life-domains, and positive/negative affect). Hierarchical multiple regression analyses showed minutes/week of sport did not explain significant variance in any SWB measure, but sport participation experiences explained significant variance (9.2%–20.9%) in all SWB measures (p < 0.05). Similarly, minutes/week of exercise explained significant variance only in physical life-domain satisfaction (ΔR2 = 2.6%, p = 0.026), but exercise participation experiences explained significant variance (4.8%–10.7%) in all SWB measures (p < 0.05). Experiences of belonging and mastery were particularly strong, consistent predictors across SWB outcomes. These results suggest participation experiences better explain relationships between sport and exercise participation and SWB than time spent performing sport and exercise. Findings have implications for designing future studies to test the effects of sport and exercise on SWB, and developing theories and interventions to explain and maximize the use of sport and exercise to improve SWB in adults with disabilities. • Sport/exercise participation is modestly related to subjective well-being (SWB). • This study distinguished participation time from participation experiences. • Experiences explained more variance in SWB than time spent on sport/exercise. • Belonging and mastery experiences were strong, consistent predictors of SWB. • Results have implications for theory and intervention development. [ABSTRACT FROM AUTHOR]

Thirty students (mean age = 18 ± 0.5 years) completed self-report (Self-Control Scale) and objective (isometric handgrip squeeze performance) measures of self-control, provided their exercise and academic (study/schoolwork) plans for the next month, and then logged these behaviors over the subsequent 4-week period. Trait self-control predicted exercise and academic behavior. Handgrip squeeze performance predicted academic behavior and adherence to academic plans. Further, regression analysis revealed that trait self-control and handgrip performance explained significant variance in academic behavior. These findings provide a new understanding of how different self-control measures can be used to predict first-year students’ participation in, and adherence to, exercise and academic behaviors concurrently. [ABSTRACT FROM AUTHOR]

Physical activity (PA) counselling research has mainly focused on identifying which behaviour change techniques (BCTs) are delivered by a counsellor. Less is known about how BCTs are received by clients. State Space Grids (SSGs) is a dynamic system method that can be used to study counsellor-client interactions by examining frequencies, durations and sequences of BCT delivery and receipt. In this methods paper, we show how SSG methods can be pragmatically used to characterize counsellor-client interactions during a PA behavioural support intervention for adults with disabilities. Methods were demonstrated through a secondary analysis of data from adults with spinal cord injury (age: 45.79 ± 13.63; females: n = 5; males: n = 9) who received PA counselling. Transcripts of 30 audio-recorded counselling sessions (total duration: ∼8.3 h) were double-coded for BCT delivery and receipt statements using a reliable coding method (>84% agreement) and analyzed in two different ways using SSGs methods. Applying the SSG analyses to our data demonstrated that frequencies, durations, and sequences of BCT delivery and receipt varied largely within and between dyads. Across all sessions, the counsellor and client spent on average 32–34% of their time on talking about BCTs related to goals and planning, ∼29% of their time talking about other BCTs (e.g., self-belief, support strategies), and the remaining 27–29% of their time talking about other topics (not BCT-specific). This paper showed how dynamic system methods can be pragmatically used to characterize counsellor-client interactions and illustrate the variability of how BCTs are delivered by a counsellor and received by clients in a PA behavioural support intervention. We demonstrated that SSGs methods can facilitate the examination of frequencies, durations and sequences of BCT delivery and receipt can help advance our understanding of PA behavioural support for adults with and without disabilities. • First using State Space Grids in exercise counselling in clients with disabilities. • Demonstration of how behaviour change techniques are delivered and received. • Show how State Space Grids may advance science and practice of exercise counselling. [ABSTRACT FROM AUTHOR]

Purpose/Objective: Research on physical activity behavioral support has mainly focused on measuring the absence or presence of behavior change techniques (BCTs) delivered by a counselor. We present a method to measure BCT delivery and receipt in physical activity behavioral support interventions. Research Method/Design: The method was developed and tested using transcripts from behavior change counseling sessions delivered as part of a theory- and evidence-based physical activity intervention for adults with disabilities. Using existing methods, a new method was developed to code counselor and clients' verbal statements (BCTs and other statements). Two coders independently coded 30 transcripts of audio-recorded counseling sessions. Interrater reliability was assessed using percentage agreement and Prevalence Adjusted Bias Adjusted Kappa (PABAK). Results: Forty-eight codes were developed for counselor statements (35 BCT delivery and 13 other statements) and 46 codes for client statements (34 BCT receipt and 12 other statements). The average interrater reliability was considered nearly perfect for the counselor statements (84% agreement; PABAK = .98) and client statements (86% agreement; PABAK = .98). The BCT delivered and received were most frequently related to Goals and Planning (counselor:36%, client:35%), Support Strategies (counselor:21%, client:17%) and Self Belief (counselor:13%, client:24%). Conclusions/Implications: This study presents a reliable coding method to measure BCT delivery and receipt in physical activity behavioral support interventions. The method can be used to enhance intervention fidelity assessment and study interactions between counselors and clients with and without disabilities. Measuring and evaluating BCT delivery and receipt can provide new insights into what types of behavioral support work best under which circumstances. [ABSTRACT FROM AUTHOR]

There has been compelling debate about whether interval exercise should be promoted in public health strategies as a means of eliciting the health and fitness adaptations associated with physical activity behavior, particularly among individuals who are inactive. Despite a rapidly growing body of quantitative research, there is a notable absence of qualitative research on the topic. This study used a series of interviews conducted over time to develop a richer understanding of inactive adults' experiences and perceptions of moderate-intensity continuous training (MICT), high-intensity interval training (HIIT), and sprint interval training (SIT) over time and factors that may influence their participation in these types of exercise. Thirty inactive young adults (18 women, 12 men) completed three lab-based trials of cycling exercise in a random order on separate days: MICT, HIIT, and SIT, and subsequently logged their free-living exercise over four weeks. Interviews were conducted at five timepoints and subjected to a reflexive thematic analysis. Three overarching themes were constructed: (1) interval exercise sounds appealing, but is it for me? (2) exercise trade-offs – the value of interval vs. traditional exercise, and (3) real-world exercise adaptations to make it on your own. The findings emphasize that people respond differently to different forms of exercise and the factors that influence participation in interval or continuous exercise are far more complex than can be captured by quantitative methodologies alone. Results suggest there is indeed a place for interval exercise in exercise plans and programs for the general population and interval exercise can be used concurrently with continuous exercise. • People have different psychological responses to interval and continuous exercise. • Qualitative data unpacks factors impacting interval and continuous exercise behavior. • Participants reported challenges with completing free-living interval exercise. • Interval exercise can be used concurrently with continuous exercise. • New qualitative data supports the use of interval exercise for inactive people. [ABSTRACT FROM AUTHOR]