Table 3.
Measurement properties of muscle power assessment tools: Summary results with overall quality ratings
| Instrument | Reference | Reliability | Validity | |||
|---|---|---|---|---|---|---|
| Reliability | Measurement error | Internal consistency | Criterion validity | Hypothesis testing for construct validity | ||
| The 30-s sit-to-stand (STS) muscle power test | Alcazar, 2020 [103] | N/R | N/R | N/R | r ≥ 0.70 (+) | N/R |
| The sit-to-stand (STS) muscle power test | Alcazar, 2018 [104] | N/R | N/R | N/R | N/R | r > 0.50 (+) |
| The sit-to-stand power test (STSp), using a portable linear transducer | Balachandran, 2021 [105] | ICC = 0.96 (+) | MIC not defined (?) | N/R | N/R | Hypotheses confirmed (+) |
| The Vertical jump (VJ) measured by a contact mat | Farias, 2013 [106] | ICC = 0.91–0.96 (+) | MIC not defined (?) | N/R | N/R | N/R |
| The Tendo Weightlifting Analyser (Trencin, Slovak Republic) | Grey, 2014 [107] | ICC not reported (?) | N/R | N/R | N/R | r > 0.50 (+) |
| Counter-movement jump (CMJ) test performed on a force platform (Kistler Instruments 9,281 B, Winterthur, Switzerland, 40 x 60 cm) | Holsgaard Larsen, 2007 [108] | ICC not reported (?) | N/R | N/R | N/R | N/R |
| The chair stand mean power (CSMP) test, using the Fitro Dyne device (Fitronic S. R. O. Co, Slovakia). | Kato, 2015 [109] | ICC = 0.88–0.92 (+) | N/R | N/R | N/R | Hypothesis confirmed (+) |
| The sit-to-stand (STS) performance power using a linear encoder (MuscleLab Power model MLPRO, Ergotest Technology, Langesund, Norway) | Lindemann, 2015 [110] | N/R | N/R | N/R | r < 0.70 (−) | N/R |
| The Jumping Mechanography | Rittweger, 2004 [111] | ICC not reported (?) | MIC not defined (?) | N/R | N/R | r > 0.50 (+) |
| A standardised heel-rise test (Using trunk accelerometry) | Schmid, 2011 [112] | ICC = 0.78–0.80 (+) | MIC not defined (?) | N/R | N/R | r > 0.50 (+) |
| Unilateral leg extension power (W) using the Bassey Power Rig (University of Nottingham, Nottingham, U.K.) | Schroeder, 2007 [113] | ICC not reported (?) | N/R | N/R | N/R | N/R |
| The Ramp Power Test | Signorile, 2007 [114] | ICC = 0.921 (+) | MIC not defined (?) | N/R | N/R | r not reported (?) |
N/R = Not reported
Measurement property rating: sufficient (+), insufficient (−), inconsistent (±), indeterminate (?)
SDC, smallest detectable change; LoA, limits of agreement