Purpose: The drop jump test has been widely used for adolescent and adult athletes to monitor improvements in reactive strength index. However, little research has examined the use or reliability of drop jumps assessment with primary school children. Therefore, we aimed to assess the test–retest reliability of reactive strength index (RSI) tests in healthy physical education students within the primary school setting. Methods: Twelve students (six females and six males) aged seven and eight years were tested in two sessions one week apart. Familiarization sessions took place before the main trials. The test protocol included drops jumps from 10 cm, 20 cm and 30 cm box heights and RSI was calculated by dividing jump height (cm) by contact time (s). Results: Good to excellent intra-session reliability (intraclass correlation coefficient ≥ 0.80) was noted at both testing sessions for the RSI obtained after drop jumps from 10, 20, 30 cm box heights. The intersession reliability for dro
Truly Remarkable : Center for Muscle Biology Lives Up to Challenge During COVID-19 uky.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from uky.edu Daily Mail and Mail on Sunday newspapers.
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