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Progressive overload is a method of strength training and hypertrophy training that advocates for the gradual increase of the stress placed upon the musculoskeletal and nervous system. [1] The principle of progressive overload suggests that the continual increase in the total workload during training sessions will stimulate muscle growth and ...
Mitochondria, dendrites, and parts of the cytoskeleton damaged in the injury have a limited ability to heal and regenerate, a process which occurs over two or more weeks. [33] After the injury, astrocytes can shrink, causing parts of the brain to atrophy. [9]
SIS is a potential complication from an athlete returning to a game before symptoms from a minor head injury have subsided. [4] Such symptoms include headache, cognitive difficulties, or visual changes. [1] The initial injury may be a concussion, or it may be another, more severe, type of head trauma, such as cerebral contusion. [5]
The load or intensity is often normalized as the percentage of an individual's one-repetition maximum (1RM). Due to muscle failure, the intensity limits the maximum number of repetitions that can be carried out in one set, and is correlated with the repetition ranges chosen.
Ischemic brain injury resulting from an insufficient blood supply to the brain, is one of the leading causes of secondary brain damage after head trauma. [4] Vascular injury usually causes death shortly after an injury. [4] Although it is a diffuse type of brain injury itself, diffuse vascular injury is generally more likely to be caused by ...
Brain injury can occur at the site of impact, but can also be at the opposite side of the skull due to a contrecoup effect (the impact to the head can cause the brain to move within the skull, causing the brain to impact the interior of the skull opposite the head-impact). While impact on the brain at the same site of injury to the skull is the ...
Crush syndrome progression (MC most common,# fracture, MODS multiple organ dysfunction syndrome, RTN renal tubular necrosis). Immediate untreated crush syndrome death is caused by severe head injury, torso injury with damaged abdominal organs, and asphyxia (excessive loss of oxygen).
One complication in diagnosis is that symptoms of PCS also occur in people who have no history of head injury, but who have other medical and psychological complaints. [31] In one study 64% of people with TBI, 11% of those with brain injuries, and 7% of those with other injuries met the DSM-IV criteria for post-concussion syndrome. Many of ...