Research Article

Hemodynamic Changes in the Masseter and Superior Orbicularis Oris Muscles before and after Exercise Load: A Comparison between Young Adult Women and Middle-Aged to Old Adult Women

Table 2

Summary of previously published research.

 MasseterOrbicularis oris muscle

Main fibersType I (slow)Type II (fast)
Consumption of oxygenGreaterSmaller
Related toAtrophyAging