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.
The development of the prefrontal cortex plays a significant role in maturation. The brain develops in a back to front pattern, and the prefrontal cortex is the last portion of the brain to fully develop. This does not mean that children do not have functional prefrontex cortices.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.