Red Muscle is suited for endurance activities.
Endurance type activities
Cardiac (heart)
endurance
bar graph
pie chart
Obviously, shedding sweat in the gym, helps improve your muscle endurance power. However, if you are over 50, free hand exercise, morning walk,jogging etc. will suffice to for your muscle and body as a whole.
Core training
Core training
strength activity!!!!!!!!=)
Skeletal
Because hummingbirds are constantly on the move, they need stronger muscle fibres: their pectoral muscles are made up of almost 100% Type 1 muscle fibres which are better for the bird's endurance
I'm guessing you mean endurance. Well any sport that involves lots of running would help you improve your endurance. Going jogging or biking or something like that would help too.