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Table 5 Relevant outcome measures related to changes in: physical function (significant SMD results are bolded) – outcomes are measured during walking unless otherwise noted

From: Foot orthoses for adults with flexible pes planus: a systematic review

Study

Activity

Outcome

No FO (mean ± SD)

Device

FO (mean ± SD)

Rome and Brown [48]

Quiet standing

Mean of the 300 balance points measured over 30 seconds (%)

49.40*^

NA

46.10*^

Medial to lateral sway - rate of deviation from the mean balance over 30 seconds (%)

1.90*^

NA

1.30*^

Anterior to posterior sway - rate of deviation from the mean balance over 30 seconds (%)

4.60*^

NA

4.80*^

Otman et al. [50]

Walking on treadmill at 1.34 m/s

Energy cost (ml/kg/min)

13.90*

NA

12.76*

Murley et al. [40]

Over-ground walking (self-selected ± 5%)

TP EMG peak amplitude (initial contact and loading)%

101.91 (33.9)

A

89.51 (36.8)

B

82.48 (31.8)

TP EMG RMS amplitude (initial contact and loading)%

101.94 (30.9)

A

89.37 (33.6)

B

80.01 (25.7)

TP EMG peak amplitude (midstance, terminal and pre-swing) (% of gait cycle)

90.96 (28.8)

A

89.62 (22.2)

B

87.34 (27.3)

TP EMG RMS amplitude (midstance, terminal and pre-swing)%

89.60 (24.1)

A

86.92 (17.83)

B

85.84 (23.9)

PL EMG peak amplitude (initial contact and loading)%

80.16 (35.6)

A

84.70 (42.1)

B

90.48 (47.3)

PL EMG RMS amplitude (initial contact and loading)%

79.44 (27.6)

A

84.25 (37.5)

B

98.10 (44.6)

PL EMG peak amplitude (midstance, terminal and pre-swing) (% of gait cycle)

62.71 (32.6)

A

67.78 (33.9)

B

83.76 (41.9)

PL EMG RMS amplitude (midstance, terminal and pre-swing)%

71.90 (39.9)

A

79.86 (46.0)

B

96.07 (47.9)

TA EMG peak amplitude (initial contact and loading)%

116.32 (15.8)

A

113.49 (15.3)

B

111.50 (17.4)

TA EMG RMS amplitude (initial contact and loading)%

122.02 (19.8)

A

119.79 (22.0)

B

113.00 (22.3)

TP EMG time of peak amplitude (initial contact and loading) (% of gait cycle)

10.94 (1.7)

A

11.37 (2.1)

B

11.10 (2.2)

TP EMG time of peak amplitude (midstance, terminal and pre-swing) (% of gait cycle)

44.95 (4.3)

A

44.92 (3.69)

B

45.55 (4.1)

PL EMG time of peak amplitude (initial contact and loading) (% of gait cycle)

10.65 (3.4)

A

10.52 (3.5)

B

10.23 (4.6)

PL EMG time of peak amplitude (midstance, terminal and pre-swing) (% of gait cycle)

51.65 (7.0)

A

50.55 (7.91)

B

50.26 (7.61)

TA EMG time of peak amplitude (initial contact and loading) (% of gait cycle)

6.63 (1.4)

A

6.28 (1.3)

B

6.39 (1.4)

Zammit and Payne [42]

FHSQ reported at baseline and 4 weeks

Increase in FHSQ function subscale (increase in function)

64.94 (24.0)*

NA

85.32 (17.7)*

Murley and Bird [40]

Over-ground walking (self-selected speed)

PL EMG amplitude (% MVIC)

88.00 (26.5)

A

98.00 (32.9)

B

107.00 (35.8)

C

99.00 (32.6)

TA EMG amplitude (% MVIC)

122.00 (38.4)

A

123.00 (42.2)

B

129.00 (43.1)

C

125.00 (30.0)

Soleus EMG amplitude (% MVIC)

256.60 (89.6)

A

251.93 (95.7)

B

255.70 (94.5)

C

260.92 (98.4)

Chen et al. [39]

Over-ground walking (1.09 ± 0.11 m/s)

Velocity (cm/s)

108.57 (11.3)

NA

109.39 (11.1)

Cadence (steps/min)

103.98 (6.8)

NA

104.73 (5.8)

Step width(cm)

15.44 (5.2)

NA

15.44 (5.0)

Step length(cm)

63.09 (4.9)

NA

61.81 (4.4)

Stance time (%)

63.72 (1.7)

NA

63.93 (1.9)

  1. FO – foot orthoses, EMG – electromyography, TP – tibialis posterior, PL – peroneus longus, TA – tibialis anterior, RMS – root mean square, MVIC – maximum voluntary isometric contraction, FHSQ – foot health status questionnaire, NA – not applicable, N/A – not available, *No FO condition was prior to orthoses dispense, the FO condition was following four weeks of orthoses use, ^ Median results and significance tabled as per original article– means and standard deviations unavailable.