A combination of factors may be involved. Possible causes of persistent stuttering include: 1  Abnormalities in speech motor control. Some evidence indicates that abnormalities in speech motor control, such as timing, sensory and motor coordination, are implicated.  Genetics. Stuttering tends to run in families.
Do Plank Exercises Work? The plank is an exercise that works the bodyâs core, specifically the abdominal muscles and lower back. The exercise is traditionally performed as part of yoga and Pilates regimens but is effective for anyone looking to improve core strength and balance.
Shore up your core. The plank is one of the best exercises you can do for your core because it builds isometric strength to help sculpt your waistline and improve your posture. And depending on the type of plank you try, you can also engage your back, arms, shoulders, glutes, and hamstrings. Win!