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Chapter: 19 / Q: 54
A requirement in traction is that the traction force is equal in magnitude but in the opposite direction to the counter traction force. This requirement is really a statement of:
Chapter: 19 / Q: 55
Traction forces may be represented by vectors. In Hamilton-Russell traction, which of the following vectors is equal in magnitude to the traction force?
Chapter: 19 / Q: 56
Fixed traction may be applied by a device such as a ‘Thomas splint’. In this case, the counter-traction force is supplied by
Chapter: 19 / Q: 57
The counter-traction force on a patient’s leg is often increased by tilting the bed so that the patient’s head is lower than their feet. Why is this done? Because tilting the bed increases the
Chapter: 19 / Q: 58
The magnitude of the traction force in a Hamilton-Russell traction is determined by
Chapter: 19 / Q: 59
In a Hamilton-Russell traction system, the traction force is greater than the weight of the hanging mass because:
Chapter: 19 / Q: 60
The fi gure below whose corners are labelled ABCD could represent the vector diagram for a Hamilton-Russell traction system if the lines were the correct length and an arrow pointing in the correct direction was drawn on them. Which of the following?
Chapter: 19 / Q: 61
Which of the following statements about the pulleys used in traction systems is correct?
Chapter: 19 / Q: 62
What is one of the roles of the pulley in a traction system?
Chapter: 19 / Q: 63
What are the two purposes served by pulleys used in traction systems? These are to:
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