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The Hoffmann's reflex test itself involves loosely holding the middle finger and flicking the fingernail downward, allowing the middle finger to flick upward reflexively. A positive response is seen when there is flexion and adduction of the thumb on the same hand. [4] Eg. in hypertonia, the tips of other fingers flex and the thumb flexes and ...
A flash drive (also thumb drive, memory stick, and pen drive/pendrive) [1] [note 1] is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive is removable, rewritable, and smaller than an optical disc , and usually weighs less than 30 g (1 oz).
The examiner passively restricts the flexion of the fingers while the examinee attempts to actively flex the thumb. [10] A positive test is marked by restricted active thumb flexion with pain or cramping discomfort in the palmar and radial sides of the distal (lower) forearm or wrist. [10]
The infection started when a USB flash drive containing malicious code created by a foreign intelligence agency was plugged into a laptop that was attached to United States Central Command. From there it spread undetected to other systems, both classified and unclassified. [1] [2]
A flash drive, a typical USB mass-storage device An M.2 (2242) solid-state-drive connected into USB 3.0 adapter and connected to computer. The USB mass storage device class (MSC or UMS) standardizes connections to storage devices. At first intended for magnetic and optical drives, it has been extended to support flash drives and SD card readers.
The prevalence of malware infection by means of USB flash drive was documented in a 2011 Microsoft study [6] analyzing data from more than 600 million systems worldwide in the first half of 2011. The study found that 26 percent of all malware infections of Windows system were due to USB flash drives exploiting the AutoRun feature in Microsoft ...
Tinel's sign takes its name from French neurologist Jules Tinel (1879–1952), who wrote about it in a journal article published in October 1915. [3] [4] [5] German neurologist Paul Hoffmann independently also published an article on tinel sign six months earlier, in March 1915.
A USB killer is a device that is designed to be portable and sends high-voltage power surges repeatedly into the data lines of the device it is connected to, which will damage hardware components on unprotected devices.