No difference in long-term development of rotator cuff rupture and muscle volumes in impingement patients with or without decompression

Figures & data

The patients represented in a flowchart according to the treatment groups (intention-to treat) at baseline, 2 years, and 5 years.

Table 1. The volumes (cm³) of rotator cuff muscles at baseline and at 5 years with reference values from the previous literature

	M. supra-spinatus	M. infra-spinatus	M. sub-scapularis
This study at baseline	49	127	120
This study at 5 years	46	114	110
Juul-Kristensen et al. (2000)	49	125	154
Lehtinen et al. (2003)	36	96	99
Holzbaur et al. (2007)	50	119	165
Vidt et al. (2012)	40	102	103

Juul-Kristensen B, Bojsen-Moller F, Finsen L, Eriksson J, Johansson G, Stahlberg F, et al. Muscle sizes and moment arms of rotator cuff muscles determined by magnetic resonance imaging. Cells Tissues Organs 2000; 167(2-3): 214–22.

 PubMed Web of Science ®Google Scholar

Lehtinen J T, Tingart M J, Apreleva M, Zurakowski D, Palmer W, Warner J J. Practical assessment of rotator cuff muscle volumes using shoulder MRI. Acta Orthop Scand 2003; 74(6): 722–9.

 PubMed Web of Science ®Google Scholar

Holzbaur K R, Murray W M, Gold G E, Delp S L. Upper limb muscle volumes in adult subjects. J Biomech 2007; 40(4): 742–9.

 PubMed Web of Science ®Google Scholar

Vidt M E, Daly M, Miller M E, Davis C C, Marsh A P, Saul K R. Characterizing upper limb muscle volume and strength in older adults: a comparison with young adults. J Biomech 2012; 45(2): 334–41.

 PubMed Web of Science ®Google Scholar