1 An utterance is a natural unit of speech bounded by breaths or pauses. 2  An utterance is a complete unit of talk, bounded by the speaker 's silence.
The best time to do flexibility exercises is when your muscles are already warm so they can stretch farther without tightness or pain. If youâre doing only stretching exercises, warm up with a few minutes of easy walking first to warm up your muscles.
Stretching is appropriate when you lack the range of motion, or flexibility, to do the movements that you want to do. These movements could be squatting all the way down to your heels, or simply reaching behind you to the back seat of the car when you are belted in.