These are the naturally lean body types that have the highest metabolic rates. These individuals are characterized by a small bone structure, small shoulders, lean muscle mass, and a flat chest. People with this body type find it extremely difficult to gain weight and have a faster metabolism.
Health experts recommend that these people consume more calories (up to 600 calories than the normal recommendation) and carbohydrates. These people should eat more protein like turkey, chicken, lean steak, eggs, protein shakes, and fish.
Those who want a bulky look should do those workouts that are short and intense and work the large muscles of the body.
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