| static infantilism | A condition observed in young children resembling spastic spinal paralysis; it is marked by hypotonia of the muscles of the trunk and hypertonia of the muscles of the extremities. (05 Mar 2000) |
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| static reflexes | Responses that control the position of the trunk and extremities. See: righting reflexes. Synonym: static reflexes. (05 Mar 2000) |
| static refraction | Refraction without accommodation. (05 Mar 2000) |
| static relations | Relationship between two parts that are not in motion. (05 Mar 2000) |
| static scoliosis | Lateral curvature of the spine due to inequality in length of the legs. (05 Mar 2000) |
| static sense | The sense that makes possible a normal physiologic posture. Synonym: static sense. (05 Mar 2000) |
| static system | That part of the neuromuscular system whereby the animal organism is maintained in posture and equilibrium, and counteracts the forces of gravity and atmospheric pressure; distinguished from the kinetic system. (05 Mar 2000) |
| static tremor | Tremor present when the limbs or trunk are kept in certain positions and when they are moved actively, usually due to near-synchronous rhythmic bursts in opposing muscle groups. Synonym: static tremor. (05 Mar 2000) |