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.
If youâre interested in using your own body weight to get fit and functional, but donât know exactly what muscles does the plank work, this article gives you a refreshing look at one of the best forms of exercise out there! At the end of the day planking, in all of its glorious forms, can work every single solitary muscle in the body.