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The weight stack from a cable machine: for this machine each plate weighs 6 kg.. A stack machine—also called a stack or rack—has a set of rectangular plates that are pierced by a vertical bar which has holes drilled in it to accept a pin. [1]
The upright row is one exercise that can be performed on the cable machine. A cable machine is an item of equipment used in weight training or functional training.It consists of a rectangular, vertically oriented steel frame about 3 metres wide and 2 metres high, with a weight stack attached via a cable and pulley system to one or more handles. [1]
On Zinkin's machines, the weight lifted was selected by inserting a pin into the weight stack; moving the pin took only a few seconds. Zinkin marketed his machines under the "Universal Gym" trademark. They proved highly successful. He sold several custom-built units, and in 1963 began mass production. [2]
Weight machines get a bad rap, but are perfect for beginners to boost form and target muscles safely. Plus, a full-body workout programmed by a pro.
Weight machines commonly use specialized sets of plates (called "weight stacks"), consisting of a set of rectangular plates mounted on rails. Through a cable and pulley system, the burden is transferred to the machine's user. By placing a pin in the stack that causes the cable to pull on each plate above the pin, the weight is selected.
A stack machine's compact code naturally fits more instructions in cache, and therefore could achieve better cache efficiency, reducing memory costs or permitting faster memory systems for a given cost. In addition, most stack-machine instructions are very simple, made from only one opcode field or one operand field.
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