BioMed Research International / 2013 / Article / Tab 1

Clinical Study

The Effect of NeuroMuscular Electrical Stimulation on Quadriceps Strength and Knee Function in Professional Soccer Players: Return to Sport after ACL Reconstruction

Table 1

Characteristics of individuals from group A and B.

Group AGroup BLevel of significance

Number of participants4040
Age (years)
 Range17–2917–29
 Mean22.421.3
 SD5.785.67
Operated knee
 Right2623
 Left1417
Height (cm)
 Range171–193170–186
 Mean180.3176.5
 SD7.548.11
Weight (kg)
 Range71–8063–100
 Mean73.870.9
 SD5.767.12
BMI (kg/m2)
 Range19.2–25.820.3–28.9
 Mean22.423.4
 SD4.223.03
Muscle strength (N)
 Operated578.4–701.3567.5–689.9
  Range645.9648.6
  Mean34.638.6
  SD
 Nonoperated
  Range821.4–879.8831.5–889.7
  Mean840.1840.4
  SD23.427.9
Duration of career (how long soccer players practice their discipline) in years
 Range3.4–10.53.3–8.5
 Mean5.44.8
 SD2.461.89

the -test, **the χ 2-test.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.