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Table 3 Muscle retractions, lumbar spine range of motion, and physical activity classification

From: Could current factors be associated with retrospective sports injuries in Brazilian jiu-jitsu? A cross-sectional study

Variables Responses Groups Total
G1 G2 G3
Right Leg MHF Absent (−) 32 (52.5)Aa 39 (53.4)Aa 28 (47.5)Aa 99
Present (+) 29 (47.5)Aa 34 (46.6)Aa 31 (52.5)Aa 94
RF Absent (−) 35 (57.4)Aa 31 (42.5)Aa 22 (37.3)Aa 88
Present (+) 26 (42.6)Aa 42 (57.5)Aa 37 (62.7)Ab 105
Left Leg MHF Absent (−) 33 (54.1)Aa 36 (49.3)Aa 26 (44.1)Aa 95
Present (+) 28 (45.9)Aa 37 (50.7)Aa 33 (55.9)Aa 98
RF Absent (−) 32 (52.5)Aa 35 (47.9)Aa 28 (47.5)Aa 95
Present (+) 29 (47.5)Aa 38 (52.1)Aa 31 (52.5)Aa 98
Schober Absent (−) 54 (88.5)Ab 63 (86.3)Ab 51 (86.4)Ab 168
Present (+) 7 (11.5)Aa 10 (13.7)Aa 8 (13.6)Aa 25
Posture 1 Absent (−) 30 (49.2)Ba 19 (26.0)Aa 17 (28.8)ABa 66
Present (+) 31 (50.8)Aa 54 (74.0)Bb 42 (71.2)ABb 127
Posture 2 Absent (−) 47 (77.0)Ab 60 (82.2)Ab 49 (83.1)Ab 156
Present (+) 14 (23.0)Aa 13 (17.8)Aa 10 (16.9)Aa 37
Physical activity categories Sedentary 7 (11,5)Aab 4 (5,5)Aa 0 (0,0)Aa 11
Irreg. Active 1 (1,6)Aa 3 (4,1)Aa 4 (6,8)Aab 8
Active 13 (21,3)Ab 7 (9,6)Aa 13 (22,0)Ab 33
Very Active 40 (65,6)Ac 59 (80,8)Ab 42 (71,2)Ac 141
  1. MHF monoarticular hip flexor flexibility, RF rectus femoris muscle flexibility, Irreg. Active irregularly active; A,B p < 0.05 to horizontal comparisons, between different groups; a,b p < 0.05 to vertical comparisons, within group. Goodman’s test for contrasts between and within multinomial populations