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Table 3 Baseline Participant Functional Performance

From: Effect of standing posture during whole body vibration training on muscle morphology and function in older adults: A randomised controlled trial

  

FK

LK

CON

 

Variable

Total (n = 19)

   

p-value

  

(n = 6)

(n = 5)

(n = 8)

 

Maximal Strength (N) a-

     

- Leg Press

1339.9 ± 416.1

1308.0 ± 579.2

1252.4 ± 289.6

1418.5 ± 380.0

0.78

- Chest press

327.1 ± 149.8

313.0 ± 190.9

293.0 ± 134.9

354.8 ± 137.8

0.79

Relative Strength (kg/kg) b -

     

- Leg Press

8.9 ± 1.6

8.9 ± 2.1

8.4 ± 1.4

9.3 ± 1.5

0.38

Peak Power (W) -

     

- Leg Press

652.3 ± 317.4

635.7 ± 438.3

637.6 ± 267.8

673.9 ± 282.6

0.97

- Chest Press

210.8 ± 108.4

191.3 ± 124.3

210.3 ± 69.4

225.6 ± 121.8

0.86

Peak Velocity (cm/s) -

     

- Leg Press

94.5 ± 19.3

86.8 ± 21.8

89.3 ± 1.0

103.4 ± 20.1

0.23

- Chest Press

126.5 ± 32.0

115.1 ± 30.7

137.9 ± 16.8

129.4 ± 38.7

0.54

Balance Index c

98.8 ± 25.2

98.0 ± 20.0

106.348 ± 30.2

94.8 ± 27.8

0.74

5 Chair rise time (s)

10.1 ± 1.7

10.1 ± 1.8

10.1 ± 1.2

10.1 ± 2.0

1.0

Stair Climb Power (W) d

461.8 ± 195.9

420.2 ± 213.1

415.3 ± 92.4

530.6 ± 236.9

0.52

Habitual Gait Velocity (m/s) e

1.4 ± 0.2

1.3 ± 0.2

1.4 ± 0.2

1.3 ± 0.2

0.80

Maximal Gait Velocity (m/s) e

2.2 ± 0.4

2.2 ± 0.4

2.1 ± 0.3

2.3 ± 0.4

0.58

Six Minute Walk (m)

619.4 ± 77.0

612.5 ± 110.0

595.4 ± 50.3

639.5 ± 65.1

0.61

  1. All data presented as mean ± SD
  2. Continuous variables analysed by ANOVA for normally distributed data
  3. FK: Whole Body Vibration Flexed Knees Group
  4. LK: Whole Body Vibration Locked Knees Group
  5. CON: Control Group
  6. a Maximal Strength was measured via 1 repetition maximum (1RM) testing in Newtons
  7. b Relative Strength (kg/kg): (leg press strength (kg)/leg Fat Free Mass (kg)) measured by Dual X-Ray absorptiometry (DXA)
  8. c Balance Index : (Sum of 12 sway measures + (180 - sum of 6 time measures) [49]
  9. dStair Climb power (W): (Body Mass (kg) × vertical height of the staircase (m)) × 9.8/time (s)
  10. e Gait velocity (average of 2 trials for habitual gait; maximal of 2 trials for maximal gait) measured over 2 m using an Ultratimer