Reliability and validity of the K-force grip dynamometer in healthy subjects: do we need to assess it three times?

Magni, N.; Olds, Margie; McLaine, Sally J.

doi:10.1177/17589983231152958

Cited by 4 publications

(1 citation statement)

References 25 publications

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“…The highest peak force value was recorded after 2 measurements, with a 1-minute rest between measurements. All measurements were applied to the dominant hand and the intra-rater reliability of this measure is ICC＝0.96-0.97 [17].…”

Section: ) Grip Strengthmentioning

confidence: 99%

Effects on Mechanical Properties, Joint Range of Motion, and Grip Strength of Forearm Muscles Depending on Wrapping Direction of the Floss Band

Jung,

Kim,

Lee

2024

Phys Ther Rehabil Sci

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Flossing bands are thick elastic bands that are wrapped around painful or limited range of motion joints and muscles for exercise, as opposed to Thera-Bands, which are direct band exercises [1]. It is effective in improving joint ROM by increasing fascial fluidity when performing muscle movements under compression, and the reperfusion of blood flow after the compression is removed increases catecholamines and growth hormones, which helps to improve muscle strength. The aim of these treatments is to increase mobility and strength, reduce pain and accelerate healing, and they are increasingly used in the field of physiotherapy [2].However, previous studies of flossing bands have shown mixed results. While some studies have shown positive effects on knee joint ROM and strength [3,4], others have reported improvements in performance but not strength, or no significant difference in joint ROM compared to foam rolling or stretching [2,5]. This discrepancy has prompted research into intervention

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Section: ) Grip Strengthmentioning

confidence: 99%

Effects on Mechanical Properties, Joint Range of Motion, and Grip Strength of Forearm Muscles Depending on Wrapping Direction of the Floss Band

Jung,

Kim,

Lee

2024

Phys Ther Rehabil Sci

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Opposite effects of isometric exercise on pain sensitivity of healthy individuals: the role of pain modulation

Liebermann,

Defrin

2024

PR9

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Introduction: Exercise-induced hypoalgesia (EIHypo) among healthy individuals is well documented; however, the opposite effect of exercise, ie, exercise-induced hyperalgesia (EIHyper), has mainly been described in patients with chronic pain or after intense/painful exercise. Objectives: We investigated the extent to which EIHypo and/or EIHyper occur among healthy participants and whether these responses are associated with individuals' pain modulation capacity. Methods: Fifty-seven participants (mean age 29.20 ± 5.21 years) underwent testing of pressure pain threshold as an index of EIHypo/EIHyper: pain adaptation, offset analgesia (OA), and conditioned pain modulation as indices of pain modulation, prior to and immediately postsubmaximal isometric exercise (n = 40) or rest (n = 17, control group). Body awareness and exercise-evoked stress were also evaluated. Test–retest repeatability of the pain modulation indices was performed as well. Results: Twenty-four participants (60%) exhibited EIHypo, whereas 16 (40%) exhibited EIHyper. Pressure pain threshold did not change in the control group. Baseline (preexercise) OA efficacy predicted EIHypo/EIHyper. Furthermore, OA significantly decreased postexercise in the EIHyper subgroup and slightly increased in the EIHypo subgroup. Exercise-induced hypoalgesia was associated with magnitude of daily exercise while EIHyper was associated with increased exercise-evoked stress and body awareness. Conclusion: Submaximal isometric exercise can induce opposite effects on pain sensitivity among healthy participants—EIHypo or EIHyper. Descending pain inhibition pathways, and top-down influences over these pathways, seem to be involved in EIHypo/EIHyper effects. As such isometric exercise is often preferred in early stages of rehabilitation, preliminary screening individuals' vulnerability to this exercise is important; OA test may be used for this purpose.

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Evaluation of Hand Muscle Strength Using Manual Dynamometry: A Reliability and Validity Study of the Activ5 Instrument

Pino-Ortega,

Carvajal-Espinoza,

Becerra-Patiño

2024

Applied Sciences

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Manual dynamometry (HHD) allows for the assessment of musculature because its use has been supported as an indicator of health in different population groups. The objective of this study was to examine the reliability and validity of the Activ5 dynamometer for assessing grip strength in a population of adults. A total of 106 individuals with an age of 20.38 ± 1.64, body mass of 71.52 ± 11.32 kg, and height of 1.70 ± 0.11 m were evaluated during two sessions. A cross-sectional agreement study was conducted on Sports Science students from a university community, and 106 individuals were evaluated during two sessions. Statistical analysis of reliability and validity was performed using intraclass correlation coefficients (ICCs), Pearson correlations, and Lin’s coefficient. According to Lin’s coefficient, both instruments measure grip strength for both conditions, either for the right hand or the left hand. The correlation coefficient to determine the linear relationship between both instruments determined that between the Jamar right-hand dynamometer and the right-hand Activ5, a coefficient R2 = 0.580, p = 0.00, was obtained. In contrast, the correlation between the Jamar left-hand dynamometer and the left-hand Activ5 had a coefficient R2 = 0.543, p = 0.001. Both intraclass correlation coefficients and Cronbach’s alpha presented high values, indicating that both instruments have good reproducibility in their measurements. The Activ5 dynamometer cannot be used interchangeably with the Jamar dynamometer; however, the close values reported make it a reliable tool in grip strength assessment. The different characteristics of the Activ5 instrument, such as its ergonomics, weight, portability, wireless connection, dimensions, and applications, make it a promising daily- use tool for assessing, monitoring, and the prescription of physical activity and exercise.

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Reliability and validity of the K-force grip dynamometer in healthy subjects: do we need to assess it three times?

Cited by 4 publications

References 25 publications

Effects on Mechanical Properties, Joint Range of Motion, and Grip Strength of Forearm Muscles Depending on Wrapping Direction of the Floss Band

Effects on Mechanical Properties, Joint Range of Motion, and Grip Strength of Forearm Muscles Depending on Wrapping Direction of the Floss Band

Opposite effects of isometric exercise on pain sensitivity of healthy individuals: the role of pain modulation

Evaluation of Hand Muscle Strength Using Manual Dynamometry: A Reliability and Validity Study of the Activ5 Instrument

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