Q1) A 50 year old Caucasian male who presented to physical therapy with severe upper extremity pain and radicular symptoms into his right forearm and hand that occurred from a traumatic accident 11 months ago. The patient is a correctional officer and while on the job, a metal hatch fell on his outstretched right arm proximal to the acromion process. Imaging two months post injury showed no fractures or nerve damage at the neck or shoulder. The primary complaint was the extreme constant pain he experienced in his right upper trapezius, anterior right shoulder, right lateral forearm, and first and second digits of his right hand. There is no Tinel's sign and electrodiagnostic studies are normal. a)What is the possible diagnosis of patient?
Anatomy and Physiology of Special Sensory Organs
Sensory organs can be labeled as special sensory structures that permit sight, hearing, odor, and flavor. Sensory structures permitting proprioception, touch, thermal, and pain perception can be classified as more advanced sensory organs. The sensory neurons are trained to find out modifications in the external and internal conditions so that a person's body can react to that change. A stimulus is the first signal that is recognized by any sensory receptor of the body. Stimulus is an impulse generated when there is a change in the surroundings of a person. For example, a heated environment will alert the brain through the thermal sensory organs and generate a reflex accordingly.
Sensory Receptors
The human sensory system is one of the most complex and highly evolved structures, which processes a myriad of incoming messages. This well-coordinated system helps an organism or individual to respond to external stimuli, appropriately. The sensory receptors are an important part of the sensory system. These receptors are specialized epidermal cells that respond to external environmental stimuli. These receptors consist of structural and support cells that form the peripheral unit of the receptor and the neural dendrites which receive and detect the external stimuli.
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