Bone health and asymmetry in elite female cricketers

Figures & data

Table 1. Mean ± SD, or median (IQR) for non-parametric data, age, height, body mass, fat free mass, body fat, menstrual function, oral contraceptive use, professional matches played and average number of balls bowled per professional match of batters, fast bowlers and spin bowlers.

Variable	Batters (n = 12)	Fast bowlers (n = 13)	Spin bowlers (n = 11)
Age †	27.64 (21.39, 29.33)	25.49 (21.75, 29.08)	21.48 (21.27, 23.53)
Height (m)	1.69 ± 0.05	1.72 ± 0.06	1.68 ± 0.06
Body Mass (kg)	67.9 ± 8.6	70.3 ± 7.3	67.8 ± 8.9
Fat-Free Mass (kg)	52.9 ± 4.4	53.5 ± 3.6	50.5 ± 5.7
Body Fat % †	23.9 (18.9, 26.1)	23.4 (22.5, 25.4)	25.8 (24.2, 28.4)
Professional Matches †	280 (84, 400)	176 (88, 295)	117 (97, 143)
Average Balls Bowled Per Match †	3 (0, 11)	30 (24, 35) ^a	29 (24, 36) ^a
% Oral Contraceptive	42	38	40
Total BPAQ	66 ± 28	51 ± 23	55 ± 24

Bold denotes significant difference between groups (p < 0.05), ^a significantly different to batters. † denotes non parametric Krushkal Wallis test

Table 2. Mean ± SD unadjusted and adjusted (for age and fat free mass) total body, L1-L4, lateral L3 vertebral body and lateral L3 posterior element BMD (g/cm²) and unadjusted and adjusted (for fat free mass) total body, L1-L4, and ipsilateral (IL) and contralateral (CL) femoral neck and total hip Z-scores of batters, fast bowlers and spin bowlers.

Variable		Batters	Fast bowlers	Spin bowlers
Total Body BMD	Unadjusted	1.401 ± 0.069	1.373 ± 0.063	1.368 ± 0.065
	Adjusted	1.397 ± 0.066	1.368 ± 0.065	1.379 ± 0.073
Total Body Z-score	Unadjusted	+3.16 ± 0.81	+2.81 ± 0.74	+2.67 ± 0.61
	Adjusted	+3.19 ± 0.71	+2.87 ± 0.72	+2.57 ± 0.77
L1-L4 BMD	Unadjusted	1.514 ± 0.140	1.485 ± 0.120	1.431 ± 0.112
	Adjusted	1.510 ± 0.125	1.484 ± 0.126	1.437 ± 0.133
L1-L4 Z-score	Unadjusted	+2.72 ± 1.25	+2.36 ± 0.95	+1.94 ± 0.93
	Adjusted	+2.76 ± 1.00	+2.45 ± 1.01	+1.78 ± 1.03
L3 Vertebral Body BMD	Unadjusted	1.121 ± 0.133	1.082 ± 0.106	1.093 ± 0.111
	Adjusted	1.121 ± 0.121	1.083 ± 0.123	1.091 ± 0.129
L3 Posterior Elements BMD	Unadjusted	0.869 ± 0.128	0.829 ± 0.098	0.809 ± 0.086
	Adjusted	0.872 ± 0.106	0.828 ± 0.107	0.808 ± 0.109
CL Femoral Neck Z-score	Unadjusted	+2.86 ± 0.96	+2.51 ± 0.96	+2.52 ± 0.90
	Adjusted	+2.88 ± 0.93	+2.56 ± 0.94	+2.43 ± 0.96
IL Femoral Neck Z-score	Unadjusted	+2.84 ± 1.08	+2.50 ± 0.76	+2.48 ± 0.72
	Adjusted	+2.85 ± 0.88	+2.53 ± 0.89	+2.44 ± 0.90
CL Total Hip Z-score	Unadjusted	+3.31 ± 0.95	+2.95 ± 0.96	+2.96 ± 0.80
	Adjusted	+3.34 ± 0.88	+3.02 ± 0.89	+2.85 ± 0.90
IL Total Hip Z-score	Unadjusted	+2.82 ± 0.93	+2.62 ± 0.95	+2.58 ± 0.89
	Adjusted	+2.84 ± 0.93	+2.66 ± 0.94	+2.51 ± 0.95

Figure 1. Adjusted (fat free mass and age) mean (SD) unilateral ipsilateral and contralateral lumbar spine BMD between batters (Bat), fast bowlers (FB) and spin bowlers (SB). *denotes significant within-group differences.

Figure 2. Adjusted (fat free mass and age) ipsilateral and contraltaeral hip BMD and section moduli between batters (Bat), fast bowlers (FB) and spin bowlers (SB).