Along with consistent training, and exercising, your diet needs to be adjusted, and your intake of proteins and calories need to be increased which help in building muscles. (massbuildo.com)
-- It doesn't stimulate maximum growth because of lack of consistent training of any muscle. (fitnessandpower.com)
They need consistent training from the second you bring them home and have no problem locking limbs and point blank refusing to obey unless they think something is in it for them. (dogsbarn.com)