Different types of exercise strengthen different muscle groups, for example: 1  For arms, try rowing or cross-country skiing. 2  For strong legs, try running, biking, rowing, or skating. 3  For shapely abs, you can't beat rowing, yoga or pilates, and crunches.
The prefrontal cortex is a part of the brain located at the front of the frontal lobe. It is implicated in a variety of complex behaviors, including planning, and greatly contributes to personality development.he prefrontal cortex is involved in a wide variety of functions, including: 1  Coordinating and adjusting complex behavior. 2  Impulse control and control and organization of emotional reactions. 3  Personality.
Primary functions of the prefrontal cortex involve planning a person's response to complex and difficult problems. The prefrontal cortex resides at the front of the brain, and it is subdivided by the brain's right and left hemispheres.