rotation

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rotation

 [ro-ta´shun]
1. the process of turning around an axis.
2. in obstetrics, the turning of the fetal head (or presenting part) for proper orientation to the pelvic axis. It should occur naturally, but if it does not it must be accomplished manually or instrumentally by the obstetrician or manually by the nurse-midwife.
3. a clinical assignment for students in a specific clinical area.
4. in dentistry, the turning of a malturned tooth into its proper position.
pelvic rotation movement of the pelvis around an imaginary axis.
site rotation the selection of sequential injection locations for a patient receiving multiple injections. A chart is frequently utilized to guide the nurse in rotating sites so that the same location is not used repeatedly, which would lead to tissue damage and irregular absorption of drugs.

ro·ta·tion

(rō-tā'shŭn),
1. Turning or movement of a body around its axis.
2. A recurrence in regular order of certain events, such as the symptoms of a periodic disease.
3. In medical education, a period of time on a particular service or specialty.
[L. rotatio, fr. roto, pp. rotatus, to revolve, rotate]

rotation

Movement around an axis Graduate education A period of time during which a medical student, or a physician in an early period of his training works in a particular service. See Audition rotation, Clinical rotation, Extern, Intern Obstetrics The turning of a fetus around its long axis such that the presenting part changes. See External rotation, Internal rotation, Limb rotation.

ro·ta·tion

(rō-tā'shŭn)
1. Turning or movement around an axis.
2. A recurrence in regular order of certain events, such as the symptoms of a periodic disease.
3. In medical education and other health education progams, a period of time dedicated to a particular service or specialty.
4. Practice of changing hours worked periodically; shift work.
[L. rotatio, fr. roto, pp. rotatus, to revolve, rotate]

ro·ta·tion

(rō-tā'shŭn)
Turning or movement of a body around its axis.
[L. rotatio, fr. roto, pp. rotatus, to revolve, rotate]
References in periodicals archive ?
[18] Limited robot workspace if controlled for aligned rotation center between the robot and the ankle joint.
Further, already-developed parallel ankle rehabilitation robots fall into two categories based on their rotation centers. One kind of parallel ankle platforms have their actuators below the end effector (AbEE).
This means the instantaneous rotation center corresponds to the actual rotation center of the planet gear.
However, the rotational torques around the rotation center of the planet gears Op were not balanced because [F.sub.pr][not equal to][F.sub.ps].
Furthermore, we estimated that place the hip rotation center within 1 cm of the intact acetabular dome would achieve perfect initial coverage and a prosthetic stability.
In order to ensure that the rotation center of the pedal always points to the pivot center of the ankle joint, a circular plate is fitted in the worm gear pair mechanism; therefore, the rotation of the worm will drive the circular plate to rotate along its central axis.
The new wrist on the seven-axis Absolute Arm has a more natural feel with rotation centered around the system's probe.
ABSTRACTObjective: To explore the restoration of femoral offset rotation centers limbs length equality of Chinese total hip arthroplasty patients with careful preoperative surgical planning the appropriate prosthesis and skillful manipulation combined with a variety of verification tests during the operation.Methods: There were 92 hips (from 92 patients) surgery was performed by the same surgeon using the posterlateral approach by careful preoperative surgical planning.