In a lunge and split squat, one leg is forward and in front of you, the other leg is behind you. In a lunge, the rear leg is engaged in the exercise. In a split squat, the rear leg is at rest throughout the exercise -- it is not engaged. This is the key difference between the two exercises. A split squat focuses on the exercise entirely on one leg.
Cephalosporin, any of a group of Î²-lactam antibiotics that inhibit the synthesis of a structural component of the bacterial cell wall. The cephalosporins were first isolated from cultures of the fungus Cephalosporium acremonium. Modifications of the Î²-lactam ring have resulted in more than 20 derivatives with a range of antibacterial properties. The cephalosporins are often used as an alternative in patients who are sensitive to penicillin.
Cephalosporins (Cephems) The cephalosporins are the largest and most diverse family of beta-lactam antibiotics. They are structurally and pharmacologically related to the penicillins. Cephalosporins have a beta-lactam ring structure, infused to a 6-membered dihydrothiazine ring, thus forming the cephem nucleus.