Use of monitoring technology and injury incidence among recreational runners: a cross-sectional study
BMC Sports Science, Medicine and Rehabilitation volume 13, Article number: 116 (2021)
Monitoring technology is increasingly accessible to recreational runners. Our aim was to examine patterns of technology use in recreational runners, and its potential association with injury.
We conducted a cross-sectional questionnaire study in a sample of adult runners. Recruitment took place at three different 5 km parkrun event across Northern Ireland. Demographics, technology use, running behaviour and running-related injury (RRI) history were examined. Regression analyses were performed to determine relationships between variables.
Responses were obtained from 192 of 483 eligible finishers (39.8% response rate). Average age was 45.9 years (SD 10.3), with males (47.1 years SD 9.7) slightly older than females (44.8 years SD 10.8). On average, participants ran 3.0 days per week (SD 1.3), with an average weekly distance of 22.6 km (SD 19.7). Males typically ran further (MD 6.2 km/week; 95% CI 0.4 to 12.0) than females. Monitoring technology was used by 87.4% (153/175); with GPS watches the most common device (87.6% (134/153)). Runners using monitoring technology ran further (MD 14.4 km/week; 95% CI 10.3 to 18.5) and more frequently (MD 1.3 days/week; 95% CI 0.7 to 1.9) than those who did not use monitoring technology. There was no significant difference in average age between runners who used monitoring technology and those who did not (MD 4.0 years; 95% CI −0.7 to 8.7). RRI was reported by 40.6% (71/175) of participants in the previous 12 months. In a univariate analysis, none of the selected predictors (age, number of days run per week, distance run per week, or usage of technology to modify training pattern) (p > 0.1) were associated with RRI.
This study found a high prevalence of monitoring technology usage among recreational runners. While the incidence of RRI remains high, it is not associated with the usage of monitoring technology. Further prospective research should examine if monitoring technology can reduce RRI incidence among recreational runners in future.
Running is one of the most accessible forms of exercise, with clear physical and mental health benefits [1, 2]. In developed countries, between 12.5 and 25% of the population run recreationally . Participation in recreational running has grown in recent decades [4, 5], evidenced by the current popularity of short 5 km recreational events, like parkrun, as well as longer distance events such as marathons [5,6,7].
The prevalence of musculoskeletal injury in recreational runners ranges from 19 to 79%, with variance potentially explained by factors such as study duration, sex or running experience [3, 8,9,10,11]. A previous systematic review found preliminary evidence that women have a lower risk of RRI than men, but study quality was generally poor, and few studies presented results for men and women separately . Time loss injuries can lead to reduced motivation, depressive symptoms, performance decrements, or potentially, permanent drop out from running, which may impact upon their athletic identity [10, 12, 13]. Identifying important risk factors for running-related injury (RRI) can inform the development of injury prevention interventions for recreational runners, with cumulative population-level health benefits.
A large proportion of runners now run either individually or within small groups, rather than forming part of a larger club . Individual training limits peer-support and guidance from more experienced runners and coaches, increasing the likelihood of inappropriate training behaviours and RRI [1, 9]. However, wearable devices (e.g. watches, phones) incorporating global positioning systems (GPS) and bespoke software [15,16,17,18,19,20] have been marketed as an alternative to face to face coaching. These technologies are purported to motivate the runner, as well as provide detailed data on performance and tailored advice on modifying future training practices . A potential concern, however, is that overreliance on technology, inaccurate or invalid algorithms, as well as participation in virtual running challenges, also risks poor workload management, overtraining and subsequent injury [19, 20]. This is especially relevant given the recent conflicting theories concerning the relevance of equations such as acute:chronic workload ratios in reducing RRI risk . However, despite the debate regarding the effect of acute and chronic workload on RRI risk, there is an established consensus that risk of RRI increases if load on tissues exceeds their capacity to sustain such load .
The primary objective of this cross-sectional study was to examine patterns of use of monitoring technology in a sample of recreational runners participating in parkruns. Secondary aims were to determine whether there is a difference in demographics factors such as sex, running behaviours and incidence of RRI between those who use monitoring technology and those who do not.
A cross-sectional, paper-based questionnaire study, in a sample of recreational runners participating in parkruns.
Sampling and recruitment
Recreational runners were recruited at three different parkruns in Northern Ireland, throughout July and August 2019. Parkruns are free, locally organised, timed 5 km running events held every Saturday morning throughout the year. At the time of the study, there were 31 parkrun events in Northern Ireland. We purposively selected three parkruns based on their geographical area, to minimize the risk of crossover between participants. One event was run on a gravel surface, one on a tarmac surface and one on a mixed tarmac/gravel surface. Parkrun participants comprise a wide variety of demographic backgrounds, with children aged older than four, strollers and dogs all allowed . Participants therefore have a wide range of running abilities and levels of experience, with participation encouraged regardless of speed . Participation in the study was voluntary, with no inducements offered. A paper-based questionnaire was designed and piloted for face validity, before being distributed to runners who finished each event. Inclusion criteria were: being aged over 18 years old; having completed the 5 km run; being able to fully complete the questionnaire; having been running regularly for more than six consecutive months. The Ulster University Ethics Filter Committee approved the study and all participants provided informed consent.
Individuals showing an interest in participation were provided with an information sheet and given an opportunity to ask questions. All consenting participants were then provided with the questionnaire (paper version) and a pen. The questionnaire (Additional file 1) comprised four sections: demographic details (age, sex); running ability (personal best times in the previous 12 months over a range of distances); running injury history (site of injury, type of advice sought); running habits (frequency, distance per week, use of training plan and/or monitoring technology). The questionnaire was based on previous surveys investigating RRI incidence and use of monitoring technology among recreational runners [15, 16, 18, 20]. An RRI was defined as a sports injury related to running as an independent sport (i.e. not part of a team or field sport e.g. football) occurring within the last 12 months that resulted in cessation of running for more than two weeks [23, 24]. To minimize recall bias, we did not record minor injuries; and participants only reported RRIs resulting in cessation of running for more than two weeks. Previous research has demonstrated negligible cardiovascular deconditioning during the first two weeks of running cessation [25,26,27]. A researcher remained present throughout, answering questions as required.
Statistical analyses were conducted using SPSS (V.25.0). Baseline characteristics were described using mean (SD) for numerical data and counts (%) for categorical data. The distribution of numerical data was assessed visually using histograms and QQ plots. Independent t-tests were used to examine the relationship between age and running volume, with use of technology. We used logistic regression analysis to explore the relationship between key predictors (age, sex, running volume, use of technology to modify training) and RRI. Predictor variables associated with RRI in univariate analysis (p < 0.1), would be included in a multivariate model.
Responses were obtained from 192 of 483 eligible parkrun finishers asked to participate in the study (39.8% response rate). Most individuals who declined to participate cited a lack of time. Seventeen responses were excluded, leaving 175 valid responses. The reasons for exclusion were: less than six months of consecutive running experience (n = 10); one or more pages of the questionnaire incomplete (n = 6); illegible response (n = 1). Table 1 summarizes the demographic data, split by sex. Just over half of participants were male (52.6%), with one participant not indicating their sex. The average age was 45.9 years (SD 10.3), with males (47.1 SD 9.7) slightly older than females (44.8 SD 10.8).
Participants ran an average of 3.0 days per week (SD 1.3), with an average weekly distance of 22.6 km (SD 19.7). Although males and females reported a similar number of running days per week (MD 0.2; 95% CI -0.2 to 0.6; p = 0.31), males typically ran longer distances (MD 6.2 km/week; 95% CI 0.4 to 12.0, p = 0.037), and reported faster personal best times over all distances.
Some form of monitoring technology was used by 87.4% (153/175) of participants. GPS watches were used by 87.6% (134/153). Mobile phone applications were used by 56.2% (86/153), while 12.4% (19/153) used a mobile phone application only. There was lower usage of GPS watches by males (OR 0.80; 95% CI 0.68 to 0.95, p = 0.01). Only 3.9% (6/153) of participants were engaged in a physical activity rewards programme, where individuals are given incentives, in the form of financial or non-financial rewards, to be physically active. Runners who used monitoring technology ran further (MD 14.4 km/week; 95% CI 10.3 to 18.5, p ≤ 0.001) and more frequently per week (MD 1.3 days/week; 95% CI 0.7 to 1.9, p ≤ 0.001), than those who did not use monitoring technology. There was no significant difference in average age between runners who used monitoring technology and those who did not (MD 4.0 years; 95% CI −0.7 to 8.7, p = 0.093).
Overall, 43.8% (67/153) of participants who wore monitoring technology used it to modify their training pattern. Runners who used technology to modify their training pattern ran further (MD 13.2 km; 95% CI 7.0 to 19.4 p ≤ 0.001) and more frequently each week (MD 0.9 days; 95% CI 0.5 to 1.3, p < 0.001) compared to those not using technology to modify training. There was no significant difference in average age between runners who used monitoring technology to modify their training pattern and those who did not (MD 1.4 years; 95% CI −1.8 to 4.5, p = 0.389).
Table 1 shows that 40.6% (71/175) of participants reported RRI in the previous 12 months, with a higher proportion of males affected than females (risk difference 4.6%). The foot/ankle was the most injured region (29.6%), followed by hip (22.5%), knee (22.5%), thigh (14.1%), back (14.1%), lower leg/heel (11.3%) and shoulder/neck (1.4%) (Fig. 1). Physiotherapists were the most frequent source of healthcare among runners with RRI (69.0%), followed by medical doctors (29.6%) (Table 2). A significant minority of participants who reported a history of RRI did not seek any healthcare advice to manage their injury (21.1%). Univariate analyses found that none of the selected predictors (age, number of days run per week, distance run per week, or usage of technology to modify training pattern) (p > 0.1) were associated with RRI (Table 3), therefore multivariate logistic regression was not undertaken.
This is the first study to evaluate (i) the extent to which parkrun participants use monitoring technology, and (ii) whether there is a difference in demographics, running behaviours and incidence of RRI between those who use technology and those who do not.
Running, like many other sports, has traditionally had higher rates of participation among males . Findings of this study suggest that participation in running events, particularly over relatively short distances, is increasingly becoming sex-balanced when compared with similar previous studies [16, 28, 20, 29, 30]. The overall average age of 45.9 years compares closely with other similar studies [16, 18, 20]
We found that more recreational runners who participate in parkrun are now using GPS watches (87.6%) compared to previous studies, which varied between 45 and 71% [16, 18, 30, 31]. A similar proportion are using mobile phone applications (56.2%), which previously varied between 19 and 62% [15,16,17, 30, 31]. Contrary to previous studies [15,16,17,18, 20, 30], we found no difference in age between runners who used monitoring technology, and those who did not. This suggests that running technology has moved beyond younger innovators and early adopters and is increasingly accessible to all . This may be due to reduced cost, increased choice, and older members of society becoming increasingly technology literate over time . On average, technology users reported nearly double the weekly running volume compared to non-technology users. This only provides preliminary evidence that running technologies may help to engage and motivate the runner. The cross-sectional nature of our study means that it is difficult to imply causation. For example, users of monitoring technology may have had higher levels of engagement with running prior to the advent of monitoring technology. The differences in reported training volume may also be affected by recall bias, with technology users having regular access to objective data.
Despite the higher use of monitoring technology among the participants in this study, the overall RRI incidence of 40.6% aligns with previous studies in recreational runners [9, 10]. This demonstrates that monitoring technology does not currently appear to be correlated with incidence of RRI among recreational runners. Injury locations compare closely with previous studies, with the majority affecting the lower limb [9, 10]. The predictors of RRI identified in previous research, such as age, sex, running experience and training pattern, have often conflicted and contrasted between studies using different methodologies [2, 11, 34,35,36,37]. RRI is multifactorial, with the importance of each predictor varying significantly from one runner to the next. The lack of any clear predictors of RRI in our study demonstrates the complex, multifactorial nature of RRI and highlights the difficulties of linking RRI to individual predictor variables. Previous systematic reviews found significant differences in predictors of RRI between different subgroups of runners, depending on running experience, event distance and running surfaces [2, 34]. The population of recreational runners in our study was a heterogenous group, evidenced by a large range in running capabilities, personal best times and weekly training volumes. This heterogeneity of participants, although representative of a typical parkrun, may have reduced our likelihood of identifying individual predictors of RRI. The difference in running surfaces between the different parkrun events in our study (tarmac/gravel etc.) is representative of the varied nature of parkrun events, however this may also have affected the likelihood of identifying individual predictors of RRI.
Management of injuries
Despite the high rates of usage of monitoring technology, there was a relatively low usage of online resources by individuals who had sustained RRI. The high proportion of injured runners who attended a physiotherapist or doctor indicates that injured runners prefer face-to-face assessment by a registered clinician, and aligns with previous studies examining this area [38,39,40]. The fact that one in five who sustained RRI did not seek any help or advice indicates a need for further research to explore reasons for this and to identify barriers to seeking help. One potential barrier may be the socioeconomic cost of seeking the advice of a health professional [38,39,40]. With increasing amounts of cost-free online information relating to running injuries and management, future research could explore its uptake amongst recreational runners, versus more traditional face-to-face methods.
The high uptake of monitoring technology in this study shows that this is an important medium to educate and monitor training practices in recreational runners [31, 41]. However, basic technology tracking univariate factors eg. training distance, or those based around creating personal best competitions with other runners, risk overreaching and overloading beyond internal capacity . Effective reduction of RRI may be more likely with a personalised and evidence-based algorithm that takes into account key external and internal training factors, such as running volume [41, 42].
Strengths and limitations
To date, few studies have examined the use of monitoring technology by recreational runners. By conducting the survey at parkrun events, participants had a wide range of ages and running abilities, allowing good generalisability to other populations of recreational runners participating in similar events. Using a paper-based questionnaire allowed a broad range of data to be captured, to explore potential relationships between many different variables and ensured there was no bias against individuals who were not familiar with using technology. The overall response rate of 39.8% (192/483) was comparable to previous paper-based questionnaire research , however the sample size was relatively small, with a small percentage of the sample not using monitoring technology, which may have resulted in different outcomes compared to non-participants of the study. Self-report of data, such as injury history and training history, may have caused some recall inaccuracy in responses. It has previously been shown that recreational runners can accurately report injury location, but not always injury type . Using a strict definition of RRI (requiring the cessation of running for over two weeks) and the inability of participants to report more than one RRI during the previous 12 months may have resulted in underestimation of RRI. Attempting to explore multiple separate RRIs among the same individual may have given more detail for interpretation, however it also may have led to more inaccuracy in recall.
Despite the high usage of monitoring technology amongst recreational runners, particularly among female and older runners, there was no significant association with RRI. Monitoring technology, which is becoming increasingly advanced, may play a positive role in reducing incidence of RRI among recreational runners by providing individualised, tailored feedback on running metrics and guiding training plans. Future prospective studies exploring the usage of monitoring technology among recreational runners should assess how this affects their running behaviours and incidence of RRI.
Availability of data and materials
The anonymised datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.
Global Positioning System
Running Related injury
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We thank the participants for their involvement in this research. We also thank Charlotte Mayne for help with recruitment and data collection.
Ethics approval and consent to participate
Ethical approval for the study was granted by the Ulster University Research Ethics Filter Committee and all participants provided informed, signed consent. All research was performed in accordance with relevant guidelines and regulations.
Consent for publication
The authors have no conflict of interest to report.
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Mayne, R.S., Bleakley, C.M. & Matthews, M. Use of monitoring technology and injury incidence among recreational runners: a cross-sectional study. BMC Sports Sci Med Rehabil 13, 116 (2021). https://doi.org/10.1186/s13102-021-00347-4