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1. an arm and a leg, a great deal of money: to cost an arm and a leg. 2. arm in arm, with arms linked together or intertwined: They walked along arm in arm. 3. at arm's length, on terms lacking in intimacy; at a distance: to keep business associates at arm's length. 4. in the arms of Morpheus, asleep.5. put the arm on, Slang. a. to solicit or borrow money from.. arm in arm, with arms linked together or intertwined: They walked along arm in arm. 3. at arm's length, on terms lacking in intimacy; at a distance: to keep business associates at arm's length. 4. in the arms of Morpheus, asleep. 5. put the arm on, Slang.
Being in a cast for any length of time will cause muscles to atrophy, or shrink and weaken. Once the cast is removed, you will need to begin gentle stretching of the wrist and forearm. These stretches can be done by pulling the wrist backward into extension and pushing the wrist forward into flexion, holding each position for 10 to 15 seconds.