Relationship between exercise time and musculoskeletal problems in          children

Tomaru, Yohei; Kamada, Hiroshi; Tsukagoshi, Yuta; Nakagawa, Souichi; Onishi, Mio; Kenta, Tanaka; Takeuchi, Ryoko; Mataki, Yuki; Miyakawa, Shumpei; Yamazaki, Masashi

doi:10.2185/jrm.3008

Cited by 4 publications

(6 citation statements)

References 6 publications

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“…Other researchers showed the association between AKP and physical activity (20) (21). In a cross-sectional study, Tomaru et al showed that the longer the exercise time, the higher the proportion of OSD in elementary and junior high school students (21). High HSS Pedi-FABS was a signi cant risk for AKP occurrence in our study.…”

Section: Discussionsupporting

confidence: 55%

“…The difference between the current study and the previous report may be that the previous study focused only on athletic adolescents, and even the non-OSD subjects had tighter lower limbs-with a mean HBD of 6 cm and SLRA of 71 degrees-compared to our study subjects (mean HBD 1.3 cm, mean SLRA 77 degrees). Other researchers showed the association between AKP and physical activity (20) (21). In a cross-sectional study, Tomaru et al showed that the longer the exercise time, the higher the proportion of OSD in elementary and junior high school students (21).…”

Section: Discussionmentioning

confidence: 99%

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Risk Factors for the Occurrence and Protraction of Anterior Knee Pain in Children and Adolescents: a Prospective Cohort Study of 3 Years

Horii

Akagi

Takahashi

et al. 2021

Preprint

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Background: Anterior knee pain (AKP) is a common limitation to children’s participation in social and physical activities. Therefore, to prevent the occurrence and protraction of AKP, it is crucial to identify risk factors. The purpose of this study was to clarify the factors associated with the occurrence and protraction of AKP in children and adolescents. Method: A three-year prospective cohort study was conducted with children and adolescents aged 8–14 in Japan. We recorded the occurrence of AKP, heel buttock distance, straight leg raising angle (SLRA), dorsiflexion angle of the ankle joint, and the Hospital for Special Surgery Pediatric Functional Activity Brief Scale (HSS Pedi-FABS). Logistic regression analysis was performed to calculate the odds ratio (OR) for each predicted risk factor for the occurrence and protraction of AKP among subjects without AKP at baseline. Results: We recruited 1,254 children and adolescents for the present study, and 1,133 children and adolescents who did not have AKP at baseline were included in the analysis. Six to nine percent of the subjects developed AKP annually. A high HSS Pedi-FABS score significantly predicted AKP occurrence (in 2017, OR 1.07, 95% CI 1.02−1.12, p = 0.003; in 2018, OR 1.05, 95% CI 1.01−1.10, p = 0.025). Of the participants, 32.9% developed chronic AKP during the follow-up period. When 8-year-old was used as a reference age, 13-year-old subjects (right side, OR 2.37, 95% CI, 1.00−5.61, p = 0.05) and 14-year-old subjects (right side, OR 2.57, 95% CI, 1.00−6.60, p = 0.049; left side, OR 6.32; 95% CI 1.33−30.00, p = 0.020) were at a significantly higher risk of AKP protraction. Conclusions: This study showed that a greater physical activity level was a risk factor for the onset of anterior knee pain in childhood. In addition, one-third of the children and adolescents developed chronic knee pain, and elderly adolescents were at a higher risk of protraction.

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Section: Discussionsupporting

confidence: 55%

Section: Discussionmentioning

confidence: 99%

Risk Factors for the Occurrence and Protraction of Anterior Knee Pain in Children and Adolescents: a Prospective Cohort Study of 3 Years

Horii

Akagi

Takahashi

et al. 2021

Preprint

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“…Five years have passed since the start of musculoskeletal examinations, and several reports on musculoskeletal functions have been published. Based on the report that many findings are related to flexibility, such as standing trunk flexion and limited range of motion of the ankle joint 8 ) , and on the results of our study 6 , 9 , 10 ) , we thought that the standing trunk flexion test, which is one of the recommended items of the checklist for musculoskeletal examination, could be an objective indicator of musculoskeletal function. Initially, we expected that there would be a difference in the results of the functional assessment of standing trunk flexion depending on the period of absence from school or relative inactivity.…”

Section: Discussionmentioning

confidence: 69%

Effect of temporary school closure due to COVID-19 on musculoskeletal function in elementary school children

et al. 2021

Self Cite

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Objective: In 2020, coronavirus disease-2019 (COVID-19) became the cause of a pandemic. In response, the Japan Sports Agency issued warnings about secondary damage to health, such as the threat to physical and mental well-being due to the lack of exercise in this situation. In this study, we report on cross-sectional and longitudinal examinations of standing trunk flexion to evaluate how temporary long-term school closures affected musculoskeletal function in elementary school students. Patients and Methods: All children in one public elementary school in T-city during the school years 2019 and 2020 were included in this study. A digital forward flexion meter was used to measure standing trunk flexion. Results: In this study, 284 (284/289: 98.3%) and 266 (266/274: 97.1%) children in school years 2020 and 2019, respectively, were found to have valid data for cross-sectional analysis. The standing trunk flexion did not show significant differences between grades or sexes. In the longitudinal analysis, the results of the comparison of standing trunk flexion in children for two consecutive years revealed significant differences only between grades 3 and 4 ( P <0.05) and between girls in grades 3 and 4 ( P <0.01), but no significant differences in other grades or among boys or girls were observed. Conclusion: Initially, we expected that there would be a difference in the results of functional assessment using standing trunk flexion depending on the period of absence from school. However, the results of this study showed no significant changes in standing trunk flexion. Moreover, since children’s musculoskeletal functions may be affected by various factors during the COVID-19 pandemic, they should be carefully monitored in the future.

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“…The difference between the current study and previous studies may be that the previous study focused only on athletic adolescents because even the participants without knee pain had tighter lower limbs, with a mean HBD of 6 cm and an SLRA of 71 degrees, compared to our study participants (mean HBD 1.0 cm and SLRA 77 degrees). Other studies have shown an association between patellar and patellar tendon pain and physical activity [ 20 , 21 ]. In a cross-sectional study, Tomaru et al showed that the longer the exercise time, the higher the proportion of knee pain in elementary and junior high school students [ 21 ].…”

Section: Discussionmentioning

confidence: 99%

“…Other studies have shown an association between patellar and patellar tendon pain and physical activity [ 20 , 21 ]. In a cross-sectional study, Tomaru et al showed that the longer the exercise time, the higher the proportion of knee pain in elementary and junior high school students [ 21 ]. This study was the first to evaluate the relationship between physical activity level and knee pain.…”

Section: Discussionmentioning

confidence: 99%

Risk factors for the occurrence and protraction of patellar and patellar tendon pain in children and adolescents: a prospective cohort study of 3 years

Horii

Akagi

Takahashi

et al. 2022

BMC Musculoskelet Disord

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Background Patellar and patellar tendon pain is a common limitation to children’s participation in social and physical activities. Some factors have been implicated in the occurrence and protraction of knee pain, but the causal relationship is unknown. The purpose of this study was to investigate whether participants’ physical characteristics and activity level are risk factors for the occurrence and protraction of patellar and patellar tendon pain in children and adolescents. Methods A three-year prospective cohort study was conducted with healthy students who were aged 8–14 years old, in Japan. Height, weight, heel-buttock distance, straight leg raising angle, and dorsiflexion angle of the ankle joint were collected as individual physical factors at the beginning of each year. The presence of self-reported patellar and patellar tendon pain and the Hospital for Special Surgery Pediatric Functional Activity Brief Scale (HSS Pedi-FABS) was collected every month. Protraction was defined as either (1) pain lasting for more than three continuous months or (2) recurrent pain after more than three months of complete recovery. Participants who did not have any pain at the beginning of the observation period were included in the analysis. We analyzed the odds ratio (OR) of pain occurrence within a year of registration and protraction throughout the study period for all physical factors and HSS Pedi-FABS. Results We included 1133 participants in the analysis and 252 participants developed knee pain within a year. 34.8% of participants with pain experienced protraction during the follow-up period. A high HSS Pedi-FABS significantly predicted knee pain occurrence (OR 1.03, 95% confidence interval [CI] 1.01–1.05) and protraction (OR 1.03, 95% CI 1.00–1.05). In addition, younger children and girls were at a significantly higher risk of patellar and patellar tendon pain protraction (age, OR 0.81, 95% CI, 0.73–0.90; sex, OR 1.69, 95% CI, 1.09–2.64). Other physical factors did not significantly predict the occurrence or protraction of knee pain. Conclusions This study showed that a greater physical activity level was a risk factor for the occurrence and protraction of patellar and patellar tendon pain in childhood. In addition, younger age and female sex predicted higher risk of protraction of pain.

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Relationship between exercise time and musculoskeletal problems in children

Cited by 4 publications

References 6 publications

Risk Factors for the Occurrence and Protraction of Anterior Knee Pain in Children and Adolescents: a Prospective Cohort Study of 3 Years

Risk Factors for the Occurrence and Protraction of Anterior Knee Pain in Children and Adolescents: a Prospective Cohort Study of 3 Years

Effect of temporary school closure due to COVID-19 on musculoskeletal function in elementary school children

Risk factors for the occurrence and protraction of patellar and patellar tendon pain in children and adolescents: a prospective cohort study of 3 years

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