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A spider bite, also known as arachnidism, is an injury resulting from the bite of a spider. The effects of most bites are not serious. [1] Most bites result in mild symptoms around the area of the bite. [1] Rarely they may produce a necrotic skin wound or severe pain. [2] : 455. Most spiders do not cause bites that are of importance. [1]
Sit-up form. The sit-up (or curl-up) is an abdominal endurance training exercise to strengthen, tighten and tone the abdominal muscles. It is similar to a crunch (crunches target the rectus abdominis and also work the external and internal obliques ), but sit-ups have a fuller range of motion and condition additional muscles.
The folliculitis usually occurs after sitting in a hot tub that was not properly cleaned before use. Symptoms are found around the body parts that sit in the hot tub – the legs, hips, chest, buttocks, and surrounding areas. Symptoms are amplified around regions that were covered by wet clothing, such as bathing suits.
Dysesthesia is an unpleasant, abnormal sense of touch. Its etymology comes from the Greek word "dys," meaning "bad," and "aesthesis," which means "sensation" (abnormal sensation). It often presents as pain [1] but may also present as an inappropriate, but not discomforting, sensation. It is caused by lesions of the nervous system, peripheral or ...
The most common symptoms of POTS are rapid heart rate within 10 minutes of standing or sitting up, lightheadedness and fainting, fatigue, brain fog, nausea, and shortness of breath.
A centipede bite is an injury resulting from the action of a centipede 's forcipules, stinger -like appendages that pierce the skin and inject venom into the wound. Such a wound is not strictly speaking a bite, as the forcipules are a modified first pair of legs rather than true mouthparts. Clinically, the wound is viewed as a cutaneous ...
Unknown[5] Frostbiteis a skininjurythat occurs when exposed to extremely low temperatures, causing the freezingof the skin or other tissues,[1]commonly affecting the fingers, toes, nose, ears, cheeksand chinareas.[6] Most often, frostbite occurs in the hands and feet. [7][8]The initial symptoms are typically a feeling of cold and tingling or ...
Sitting. Sitting is a basic action and resting position in which the body weight is supported primarily by the bony ischial tuberosities with the buttocks in contact with the ground or a horizontal surface such as a chair seat, instead of by the lower limbs as in standing, squatting or kneeling. When sitting, the torso is more or less upright ...