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Fig. 2. Sustained effect of eccentric exercise on isometric force-length
characteristics for maximally stimulated muscle. (A) Maximal isometric
force-length relationships before (pre-exercise, closed circles) and 40-60 min
after a series of eccentric contractions (post-exercise, open circles).
Maximal force, obtained at a stimulation frequency of 200 Hz, was
significantly reduced post-exercise at all muscle lengths. (B) Maximal
isometric force-length relationship post-exercise, expressed relative to the
pre-exercise values. Force loss was less pronounced at
L0,200Hz compared with both shorter and longer lengths.
Note that post-exercise (open circles in Fig.
1A and
1B), the muscle was set on the
new (1 mm longer) L0,200Hz. Data are presented as mean
± S.E.M.
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