Determining the extent of neural activation during maximal effort

Article Abstract:

A study was conducted to compare the extent of neural activation assessed by the central activation ratio (CAR) versus activation estimated from T2 magnetic resonance imaging (MRI) and neuromuscular electrical stimulation (NMES). The results show that the CAR provides higher estimates of neural activation than those obtained when using the MRI-NMES method, which would change electric current, flow to the axonal motor neuron branches and limit the artificially evoked torque, resulting in an overestimation of CAR.*

Health aspects, Usage, Muscle strength, Muscles, Magnetic resonance imaging, Skeletal muscle, Clinical report

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Vascular remodeling after spinal cord injury

Article Abstract:

Results do not show differences between spinal cord injury and able-bodied individuals with regard to femoral artery diameter and hyperemic blood flow. Data indicate that spinal cord injury related vascular atrophy is linked to muscle atrophy and that spinal cord injury patients exhibit decreased vessel reactivity resulting in prolonged recovery time.

United States, Injuries, Physiological aspects, Surgery, Blood vessels, Spinal cord, Atrophy, Muscular, Muscular atrophy, Vascular surgery

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