A ligament is a short band of tough, flexible tissue, made up of lots of individual fibres, which connect the bones of the body together. Ligaments can be found connecting most of the bones in the body.t is most common when the ligaments around a particular joint are at full-stretch can cause it to tear away from the bone. The most common torn ligaments are knee ligaments and ankle ligaments.
A federal income tax is a tax levied by the United States Internal Revenue Service (IRS) on the annual earnings of individuals, corporations, trusts, and other legal entities. Federal income taxes are applied on all forms of earnings that make up a taxpayer's taxable income, such as employment earnings or capital gains.
A progressive tax rate imposes an increasing marginal tax rate as the tax base increases. As a taxpayer's tax base increases, both the marginal tax rate and the taxes paid increase. A common example is the U.S. federal income tax. A regressive tax rate imposes a decreasing marginal tax rate as the tax base increases.