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Background and Aims Volleyball is one of the most popular sports in Iran and every year more teenagers and adults are attracted to this sport. However, there is no systematic injury prevention program for Iranian volleyball players in accordance with the cultural, economic and social conditions of the country. Therefore, the purpose of this study is to design an intervention program to prevent volleyball sports injuries in a systematic manner using the intervention mapping protocol. Methods The IM method was used to design the program which has 6 steps: (1) Needs assessment, (2) Determining intervention outcomes and objectives, (3) designing the intervention by selecting theory and their practical applications, (4) producing the intervention program, (5) Developing an implementation plan, and (6) Developing an evaluation plan. To design the intervention, we used the steps 1 to 4. Results The designed program included a warm-up program with more than 45 movements (with different types and levels for players with different abilities) that should be performed at least two sessions a week before training or competition. The program consisted of three 3-week phases and provided to the trainers every week to observe the gradual improvement in intensity, repetition, complexity, and time of training. The duration of each weekly session was 15 minutes, including 4-5 minutes of cardiorespiratory exercises (to increase body temperature and cardiorespiratory preparation) and 9-10 minutes of exercises to prevent shoulder, knee and ankle injuries. Conclusion Despite being time consuming, the IM is a suitable method for designing an intervention to prevent injuries in volleyball. The designed injury prevention intervention is a 15-minute warm-up program that includes more than 45 exercises for amateur volleyball players. The feasibility of this program is under investigation and the study of its effect will be conducted in the upcoming months. [ABSTRACT FROM AUTHOR]

Background: Regarding the increasing application of neuromusculoskeletal sonography among medical specialties, specifically physiatrists, this study aims to assess the knowledge and skill level of these specialists in neuromusculoskeletal sonography in Iran.Methods: This descriptive, cross-sectional study was performed in 2018. The utilized questionnaire developed based on previous studies in collaboration with 6 university lecturers of Shaheed Beheshti, Iran, and Tabriz medical universities and a physiatrist from Hacettepe University (Turkey); it included questions entailing demographic data, knowledge, and performance levels. Its validity and reliability were evaluated through face validation, pilot study, and the Cronbach α calculated via SPSS. Data extraction and analysis were also performed by SPSS-25.Results: Of 364 questionnaires distributed, 300 were properly filled and entered into the study, of which, 38% were filled by clinical residents, 10% university lecturers, and 52% other categories (e.g. private sector). The average number of musculoskeletal patient visits was 140.6 ± 119 and the mean number of musculoskeletal sonographies requested was 8.2 ± 5.2 per month (the three most common indications reported as the shoulder, carpal tunnel syndrome, and tendon injuries). 95% of the participants considered the importance of sonography for physiatrists to be "very high" or "high"; with the most valuable applications "as a guide for procedures (90%), its diagnostic utility (68%), and follow up/evaluating the response to treatment (45%). 86% of physiatrists reported they had participated in musculoskeletal sonography courses, 60% during residency, and the rest through workshops. Also, the participants mentioned safety (83%), the possibility of performing simultaneous diagnosis and intervention procedures (70%), repeatability (58%), and dynamic imagery (52%) as the major advantages of musculoskeletal ultrasound.Conclusion: a large number of doctors consider musculoskeletal sonography to be essential for physiatrists, though insufficient education on the subject and the low number of ultrasound devices are some of the obstacles in enhancing the use of this technology in PM&R setting. Presenting certified specific training courses during residency, provision of necessary rotations, using the capacities of the PM&R scientific committee, and the private sector for running workshops and professional training courses are suggested for enhancing the knowledge and skills of neuromusculoskeletal sonography. [ABSTRACT FROM AUTHOR]