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Table 1 Participants’ characteristics

From: The effect of low back pain and lower limb injury on lumbar multifidus muscle morphology and function in university soccer players

 All (n = 27)Female (n = 12)Male (n = 15)
Age (yr)20.4 ± 1.720.5 ± 1.620.3 ± 1.9
Height (cm)172.3 ± 11.2163.4 ± 8.5179.5 ± 7.4
Weight (Kg)68.8 ± 8.764.6 ± 8.272.1 ± 7.7
Total lean mass (kg)52.2 ± 9.553.61 ± 4.159.1 ± 6.5
Total bone mass (kg)3.1 ± 0.62.6 ± 0.33.4 ± 0.4
Total Fat mass (kg)13.8 ± 5.918.6 ± 5.710.0 ± 2.3
Total body fat %21.1 ± 8.829.4 ± 6.314.5 ± 2.9
BMI23.2 ± 2.824.3 ± 3.422.4 ± 1.8
Dominant leg (n)
 Right221111
 Left413
 Either101
Soccer competitive level (yr)8.5 ± 3.18.8 ± 2.68.3 ± 3.5
Soccer university level (yr)1.4 ± 1.31.6 ± 1.21.3 ± 1.4
LBP preseason (n)844
LBP location pre-season (n) 
 Centered101
 Bilateral211
 Unilateral532
LBP intensity (0–10 scale) preseason4.3 ± 1.83.6 ± 1.95.0 ± 1.6
Lower body injury past 12-month1394
Lower body injury past 12-month body part
 Ankle541
 Thigh440
 Hip312
 Foot101
LBP playing a season (n)*523
LBP playing season location
 Centered110
 Bilateral101
 Unilateral312
LBP intensity (0–10 scale) season4.8 ± 2.23.5 ± 2.15.7 ± 2.1
Lower-body injury season (n)*651
Lower-body injury season body part   
Ankle431
Knee220
  1. *Data presented only for the 18 players that were reassessed at the end of the season