English Meaning: The name Cliff is an English baby name. In English the meaning of the name Cliff is: River ford near a cliff. American Meaning: The name Cliff is an American baby name.
Core exercise is any exercise that works any part of your trunk to your pelvic region. When most people tell me they want to work on their core, this means they want to work on their abdominal muscles. The abs aren't the only part of your core as so is your back and spine.
January 10, 2014. The plank is one of the best exercises to strengthen your core, which is more than just your abdominals. The core is a complex series of muscles that includes your entire body, minus your legs, head and arms. Various plank exercises challenge all the major muscle groups and stabilizers, improve strength, and prevent injury.