Do extreme values of daily-life gait characteristics provide more information about fall risk than median values? Abstract Background. Gait characteristics estimated from daily-life trunk accelerations reflect gait quality and are associated with fall incidence in older adults. While associations are based on median values of these gait characteristics, their extreme values may reflect either h...

OVERVIEW In a market setting, a business undertakes many operations to provide product (good or service) to its customers. Each of these operations receives an input (raw material, labour, throughput) and transforms it into an output. An operation is effective if it creates an output having more value than its input. The value added by each operation justifies its raison être in the business. T...

he previous chapters have demonstrated that global integration , expanding and changing world agricultural markets, and heightened environmental concerns are defining new policy challenges and opportunities for the United States. These trends manifest themselves in global markets that demand growing amounts of value-added agricultural products; an emerging environmental agenda that extends beyo...