The knot can be adjusted to lengthen or shorten the bowstring. This may include surgical reshaping to lengthen or shorten the jaw. They lengthen during the dumbbell lifting phase and shorten during the dumbbell lowering phase. These cells lengthen anteriorly and posteriorly to encircle the primary fibers. TFL stretches lengthen this important muscle. To improve angular resolution, one must lengthen the collimator, and/or reduce the plate spacing. Therefore, the workday will lengthen to the extent that worker's allow and necessitate. Opponents raised concerns that the proposal would dramatically lengthen game times. In addition, the hairspring would lengthen, decreasing its spring constant. Nonkinetochore microtubules lengthen, pushing the centrosomes farther apart. G1 and G2 phases lengthen, leading to longer cell division cycles. Relaxation of a sphincter muscle causes it to lengthen, opening the lumen. Plating may lengthen wire life and makes soldering easier. Their arms are muscular hydrostats, which lengthen, contract, and contort. Spermidine has been tested and discovered to encourage hair shaft elongation and lengthen hair growth.