Accuracy of Anthropometric Equations to Estimate DXA-Derived Skeletal Muscle Mass in Professional Male Soccer Players

Table 4

Analysis of absolute (kg) skeletal muscle mass differences (equation – DXA) in professional male soccer players (n = 179).

	Author
	Lee	Heymsfield	De Rose	Drinkwater	Kuriyan (AMA/TMA)	Doupe	Kerr	Kuriyan (CAMA)	Martin
Mean difference	1.10	0.17	2.21	3.57	2.66	6.31	3.38	2.08	10.91
Mean + 2SD	4.03	6.94	5.19	7.27	7.01	11.26	8.46	7.48	16.63
Mean – 2SD	-1.83	-6.61	-0.76	-0.13	-1.70	1.35	-1.71	-3.32	5.19
r	-0.34	0.14	-0.23	0.15	-0.51	0.47	0.30	-0.43	0.50
Range	5.9	13.6	6.0	7.4	8.7	9.9	10.2	10.8	11.4

n = 146
Significant correlation (p<0.05).
Abbreviations: CAMA, corrected arm muscle area; AMA, arm muscle area; TMA, thigh muscle area.
95% limits of agreement represented as mean + 2SD (upper) and mean – 2SD (lower).