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Full-Text Articles in Life Sciences

Temperature Changes Seen In Lower Extremities After Cpn Local Anesthetic Block, Lora Asberry Aug 2021

Temperature Changes Seen In Lower Extremities After Cpn Local Anesthetic Block, Lora Asberry

Symposium of Student Scholars

Many older patients often suffer from walking issues such as Drop Foot. Drop Foot is caused by the malfunction of nerves in the foot, resulting in the loss of control of the front foot muscle. Within all of our patients, there has been a common fibular palsy, caused by the entrapment of the peroneal nerve. Due to this, they cannot lift up their foot. Some cases are permanent, while others are temporary. In the temporary cases, we have indicated a Phoenix Sign. The Phoenix Sign indicates that a nerve, presumed to be dead, has the capability to be recessed back …


Age-Related Reduction In High-Velocity Power And Myofiber Morphology And Composition, Ben Dalton Aug 2021

Age-Related Reduction In High-Velocity Power And Myofiber Morphology And Composition, Ben Dalton

Symposium of Student Scholars

Power is diminished more dramatically at higher contraction velocities in older adults. It has been suggested that this may reflect age-related changes in single myofiber morphology or composition. PURPOSE: To examine power, muscle activation, and single myofiber morphology and composition between young (YM) and older (OM) males. METHODS: Power, or torque × velocity, was recorded during isokinetic knee extensions at 60°·s-1 and 180°·s-1 in healthy, untrained YM (n=15; 20.7±2.2 yrs) and OM (n=15; 71.6±3.9 yrs). The relative increase in power from 60°·s-1 to 180°·s-1 was recorded for each participant. Electromyography amplitude of the vastus lateralis (VL) …


Validation Of A Novel Trpm8 Knockout Mouse Model, Bilan Mohamed Apr 2021

Validation Of A Novel Trpm8 Knockout Mouse Model, Bilan Mohamed

Thinking Matters Symposium

Recent studies suggest that the use of thermoregulatory treatments that affect brown fat may help curb obesity. However it is unknown how these treatments may affect bone homeostasis. Our work has focused on the transient receptor potential melastatin (TRPM8) protein, which is responsible for detecting colder temperatures in sensory neurons. Previous work within the Motyl laboratory has found that Trpm8 plays a role in bone acquisition. Mice with a global deletion of the Trpm8 gene have reduced trabecular bone volume fraction due to reduced bone formation by osteoblasts. However, it is unclear whether sensory neuron or osteoblast-mediated expression of Trpm8 …