Lower back tightness can cause muscle twitching, pain and reduced range of motion. Photo Credit Dirima/iStock/Getty Images. Lower back muscle tightness is the cause of a muscle spasm. This can be brought on by a strain, overuse or muscle weakness, according to BetterMedicine.com. If your lower back muscles lack strength, and a stronger back muscle pulls on this weak muscle, it can create tightness or pain. While lower back tightness can be managed at home, occasionally medical intervention is needed to treat this common condition. Rest your lower back muscles.
Wasp and Scale Insects Help Control Giant Reed. An arundo gall wasp deposits eggs into the main stem of a giant reed. (Image by USDA/ARS) The release of tiny insects to combat the invasive weed giant reed is paying off, according to a recent U.S. Department of Agriculture (USDA) study.
A human swallows tapeworm cysts when they eat the undercooked meat of the contaminated animal or the raw contaminated fish. The cysts hatch inside the human and develop into adult worms, which attach themselves to the wall of the intestines, grow in length and produce eggs.tage 2 â larvae develop. Once inside the animal or fish, the tapeworm eggs hatch into larvae, which invade the wall of the intestines and are carried in the bloodstream to the muscles, where they form cysts (tiny sacs of larvae).