Muscles can be active.Logical formLearned from22 sentences. A (muscle tone) can be improved.Logical formLearned from22 sentences. A muscle may pertain-to an arm.Logical formLearned from22 sentences. Muscles may bunch.Logical formLearned from22 sentences. A person may have a (muscle strain).Logical formLearned from22 sentences. A (muscle strain) can be in a thigh.Logical formLearned from22 sentences. A male may pull a muscle.Logical formLearned from22 sentences. A (muscle injury) may pertain-to a male.Logical formLearned from21 sentences. A muscle may pertain-to an upper arm.Logical formLearned from21 sentences. A muscle can be in a leg.Logical formLearned from21 sentences. A muscle can be in a US-city.Logical formLearned from21 sentences. A (heart muscle) may contract.Logical formLearned from21 sentences. A (muscle damage) can be serious.Logical formLearned from21 sentences. A range can be constituted-of-or-filled-with muscles.Logical formLearned from21 sentences. A person may use a muscle.Logical formLearned from21 sentences.