The result is a neap tide, which occurs about once a fortnight. Neap tide is the period during which water levels are at their minimum tidal range: high tides are at their lowest levels and low tides are at their highest levels. The moon's elliptical orbit also results in varying tidal levels.
Photo Credit Nicolas Agustin Cabrera/Demand Media. Some of your back muscles are considered part of the core muscle group. Your lower back and the outer-middle part of your back, sometimes called your lats, are the back muscles that are also core muscles.Strong back core muscles support your abs and help you with actions like sitting up at your desk, bending to tie your shoe or reaching up to take something off a shelf.hoto Credit Nicolas Agustin Cabrera/Demand Media. Some of your back muscles are considered part of the core muscle group. Your lower back and the outer-middle part of your back, sometimes called your lats, are the back muscles that are also core muscles.
Core stability relates to the bodily region bounded by the abdominal wall, the pelvis, the lower back and the diaphragm, spinal extensor muscle and its ability to stabilise the body during movement.ore stability is a body centre muscles around the naval region Typically, the core is associated with the body center of gravity, which is over the region of the second sacral vertebrae groups and stability is associated with isometric or static strength.