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Extension phenomena are positive if the great toe dorsiflexes (goes up) following the stimulus: . Babinski reflex: The plantar aspect of the foot is gently stimulated in a line starting a few centimeters distal to the heel and extended to a point just behind the toes, and then turned medially across the transverse arch.
In the context of a positive Hoover's sign, functional weakness (or "conversion disorder") is much more likely than malingering or factitious disorder. [3] Strong hip muscles can make the test difficult to interpret. [4] Efforts have been made to use the theory behind the sign to report a quantitative result. [5]
Lloyd's sign indicates the presence of renal calculus or pyelonephritis when pain is elicited by deep percussion in the back between the 12th rib and the spine. [1] It is closely related to costovertebral angle tenderness, as the area of percussion is the same.
positive deflection at QRS-ST junction Osler's node: Sir William Osler: internal medicine: various, including SBE and SLE: painful red lesions on the pads of the fingers and plantar surfaces Osler's sign: Sir William Osler: internal medicine: atherosclerosis: falsely elevated bp reading due to incompressibility of calcified vessels Palla's sign ...
Distraction tests: positive tests are rechecked when the patient's attention is distracted, such as a straight leg raise test; Regional disturbances: regional weakness or sensory changes which deviate from accepted neuroanatomy; Overreaction: subjective signs regarding the patient's demeanor and reaction to testing
The straight leg raise is a test that can be performed during a physical examination, with the leg being lifted actively by the patient or passively by the clinician. If the straight leg raise is done actively by the patient, it is a test of functional leg strength, particularly the rectus femoris element of the quadriceps (checking both hip flexion and knee extension strength simultaneously).
The Compact Muon Solenoid (CMS) experiment is one of two large general-purpose particle physics detectors built on the Large Hadron Collider (LHC) at CERN in Switzerland and France. The goal of the CMS experiment is to investigate a wide range of physics, including the search for the Higgs boson , extra dimensions , and particles that could ...
After many examples of false-positive Homans' signs were reported, Homans redefined it in 1944, stating that "discomfort need have no part in the reaction", and that increased resistance, involuntary flexure of the knee or pain in the calf upon forced dorsiflexion should be considered positive responses. [1] [2] [3] [needs update]