Test-Retest Reliability and Sensitivity of the Concept2 Dyno Dynamometer

Abstract

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The impact of a familiarization session on the magnitude and stability of active and passive pelvic floor muscle forces measured through intravaginal dynamometry

“…29 While this effect is quite small, with increases in performance ranging between 0.5 to 1.9% between an initial and subsequent sessions, there is some consensus that a familiarization session is necessary, particularly in athletes but also in non-athletes, to ensure the stability of force outcomes. [30][31][32][33][34] While this is, to our knowledge, the first investigation into the effects of a familiarization session on dynamometric measures of female PFM properties, previous authors have suggested that a familiarization effect may exist. Using a Peritron™ Perineometer (Queensland, Australia), Jacamo et al 13 observed that a group of women who received a single education session about genital anatomy and PFM function generated higher vaginal pressure (15.2 mmHg) during maximal effort voluntary PFM contraction after compared to before (12.6 mmHg) the session.…”

“…We expected that a familiarization session would be necessary in order to minimize the impact of motor learning on maximal PFM activation, since a learning effect has been observed for other skeletal muscle groups including the quadriceps, the hamstrings and the biceps brachii . While this effect is quite small, with increases in performance ranging between 0.5 to 1.9% between an initial and subsequent sessions, there is some consensus that a familiarization session is necessary, particularly in athletes but also in non‐athletes, to ensure the stability of force outcomes …”

Reliability of a Custom Device Used to Measure Isometric Knee Flexor and Extensor Strength in Standing Position

“…Therefore, it is crucial in determining the efficacy of human body movements and guaranteeing joint stability and posture maintenance [ 1 ]. Muscle strength has been the object of many studies in the sports field, in which the relationship between muscle strength, training, level of competition, and performance has been explored [ 2 , 3 , 4 ]. Moreover, strength training is increasingly being used in managing various conditions such as sarcopenia [ 5 ] or osteoarthritis [ 6 ].…”

Application of a Custom Device to Measure Isometric Knee Strength: Possible Injury Correlation in Professional Soccer (Football) Players

“…It is crucial in determining the efficacy of human body movements and guaranteeing joint stability and posture maintenance [7]. Muscle strength has been the object of many studies in which the relationship between muscle strength, training, level of competition, and performance has been explored [8][9][10]. The role of muscle strength deficits as possible risk factors for lower limb injuries represents a debated topic.…”