(Muscle groups) may pertain-to legs.Logical formLearned from13 sentences. Blood may flow to muscles.Logical formLearned from13 sentences. (Muscle groups) may undergo a use.Logical formLearned from13 sentences. A (muscle activity) can be increased.Logical formLearned from13 sentences. A dollar may flex muscles.Logical formLearned from13 sentences. Muscles can be global.Logical formLearned from13 sentences. (Chest muscles) may pertain-to a female.Logical formLearned from13 sentences. Muscles can be stiff.Logical formLearned from13 sentences. A male may use muscles.Logical formLearned from13 sentences. A brain may control (muscle movement).Logical formLearned from13 sentences. A (heart muscle) may undergo an enlargement.Logical formLearned from13 sentences. (Leg muscles) can be weak.Logical formLearned from13 sentences. A (muscle car) can be popular.Logical formLearned from13 sentences. A sect may flex a muscle.Logical formLearned from13 sentences. A figure may add to a muscle.Logical formLearned from13 sentences.