In linguistics, a unit of speech. In phonetic terms, a stretch of spoken language that is preceded by silence and followed by silence or a change of speaker. (Phonemes, morphemes, and words are all considered segments of the stream of speech sounds that constitute an utterance.).
The routine below is a basic static stretching routine designed to complete on an exercise mat at the end of your workout. It takes 5-10 minutes max and you can get all the preceding benefits.
You need to rest a muscle group at least 24 to 48 hours before training it again. However, this doesn't necessarily mean that training a muscle group every two to three days is the best way to gain mass. Muscles recover and grow during rest, and larger muscles, such as those in your chest, take more time to recover than smaller muscles, such as your triceps and biceps.