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.
Simply add weights to your workout three times a week, because building toned, lean muscle under your skin will help it look tighter. 1  Lunges are great for sagging skin on the upper thigh. 2  Squats also assist with your lower body sagging skin. 3  Bicep curls target that nasty underarm hang. 4  Planks work that stomach flab.