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Related Concept Videos

Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
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Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...
Spinal Nerves: Plexus II01:21

Spinal Nerves: Plexus II

The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
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Somatosensation01:33

Somatosensation

The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...
Spinal Cord Injury ll: Pathophysiology01:14

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Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...

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Development of a Neonatal Rat Model for Brachial Plexus Birth Injury
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Published on: March 27, 2026

Do obstetrical brachial plexus injuries affect proprioceptive sense?

Deran Oskay1, Edibe Unal, Sirzat Cetinkaya

  • 1Department of Physiotherapy and Rehabilitation, Faculty of Health Science, Gazi University, Ankara, Turkey. deranoskay@yahoo.com

Neurosciences (Riyadh, Saudi Arabia)
|October 20, 2010
PubMed
Summary

Children with obstetrical brachial plexus injuries (OBPI) show decreased shoulder proprioception. This impaired sensory input affects joint function over time, highlighting the need for targeted rehabilitation strategies.

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Area of Science:

  • Pediatric rehabilitation
  • Neuroscience
  • Orthopedics

Background:

  • Obstetrical brachial plexus injuries (OBPI) affect nerve function in the shoulder and arm.
  • Proprioception, the sense of joint position, is crucial for motor control and function.
  • Understanding proprioceptive deficits in OBPI is vital for effective treatment.

Purpose of the Study:

  • To assess proprioceptive sensory input in the shoulder joint of children diagnosed with OBPI.
  • To compare proprioception between the affected and unaffected sides in children with OBPI.

Main Methods:

  • A controlled study involving 39 children (aged 7-12) with OBPI.
  • Proprioceptive evaluation conducted on both affected and normal shoulders at 10%, 30%, and 90% of passive abduction angles.
  • Movement speed for evaluation was set at 2 degrees/second.

Main Results:

  • Statistically significant differences in proprioception were found between affected and normal sides at 10% and 30% of target angles.
  • Higher absolute proprioception scores were observed on the affected side compared to the normal side.
  • These findings suggest a compromised proprioceptive network in OBPI.

Conclusions:

  • A notable decrease in proprioceptive sense was observed in children with OBPI.
  • Deterioration of the proprioceptive network can negatively impact shoulder functionality over time.
  • This underscores the importance of addressing proprioceptive deficits in the rehabilitation of OBPI.