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Fig. 6. Mean fascicle length change (A) of 4 subjects, mean muscle–tendon
complex (MTC) length change (B) and smoothed GM EMG (C) data of 10 subjects of
one full descending stride cycle for standard stair descent (solid lines) and
stair descent with 20% extra body weight (dotted lines). The fascicular
behaviour was analyzed during touch-down (from 0 to
14% stride cycle).
Vertical lines indicate foot-contact times [lift-off (LO) right, touch-down
(TD) right and LO left] for both conditions, whereas 0 and 100% of the stride
cycle indicate TD of the left (analyzed) foot. For clarity, only the positive
standard deviations of the standard mass condition are presented.