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.
Click image to enlarge. Your core is composed of many different muscles in the abdomen, back, sides, pelvis, and buttocks. These muscles work together to allow you to bend, twist, rotate, and stand upright. For all these reasons, more and more people are incorporating core exercises into their fitness routines.xercises like planks efficiently work many more core muscles at once. So whether youâre launching into your first core workout or have been planking, lunging, and squatting your way to a tightly toned core for quite some time, reviewing the rightâand wrongâways to do these three fundamental moves is worthwhile.