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.
About the Plank Exercise: The plank exercise is a great way to build endurance in the abdominals as well as the back, and the stabilizer muscles. Building on the core muscles this exercise can prove quite more effective than most other ab exercises in a shorter period of time.