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. 1999 May 1;516(Pt 3):915–930. doi: 10.1111/j.1469-7793.1999.0915u.x

Table 1. Myosin heavy chain composition of pre-and post-spaceflight soleus fibres.

Type I Type I/IIa Type IIa



Subject Pre Post Pre Post Pre Post
A 97% (34) 93% (26) 7% (2) 3% (1)
B 90% (18) 77% (27) 14% (5) 10% (2) 9% (3)
C 88% (30) 65% (24) 12% (4) 35% (13)
D 88% (22) 84% (27) 12% (3) 3% (1) 13% (4)

Values are the percentage of fibres expressing type I, IIa or I/IIa MHC for each subject–treatment combination. Number of fibres in parentheses.