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. Author manuscript; available in PMC: 2019 Mar 11.
Published in final edited form as: Exp Gerontol. 2017 Dec 13;102:84–92. doi: 10.1016/j.exger.2017.12.007

Fig. 3. Absolute pCa-force relationships for young and older adults.

Fig. 3.

Absolute pCa-force relationship of myosin heavy chain (MHC) I, I/IIA, IIA and IIAX single muscle fibers from young and older adults. The number of fibers analyzed in each group for each fiber type is provided by n in Table 2. Data were acquired at 15 °C and represent means ± SE. Asterisks and plus sign indicate significant difference (*p < 0.05 or **p < 0.01) and trends (+p < 0.10) between young and older groups.