Final answer:
Kehr's sign is indicative of a ruptured spleen where pain is felt in the left shoulder, chest, and neck, due to complex nerve connections. Shoulder injuries commonly affect the range of motion and may cause conditions like 'frozen shoulder'. Physical therapists evaluate the joint's functionality to create a rehabilitation plan.
Step-by-step explanation:
Shoulder injuries are a common problem that can arise from various activities such as throwing, swimming, or repetitive use in sports. When an individual experiences shoulder pain following an injury, understanding the possible conditions is crucial for diagnosis and treatment. One such condition is Kehr's sign, indicative of a ruptured spleen, where the pain is perceived in the left shoulder, chest, and neck areas. This phenomenon occurs due to complex nerve connections, where the spleen's sympathetic fibers are linked to the celiac ganglion, responsible for visceral feeling, while the somatosensory fibers connected to the neck and shoulder link to the mid-cervical level of the spinal cord. Physical therapists assess a shoulder injury's impact by evaluating range of motion and functionality to determine the appropriate rehabilitation plan, which may involve exercises aiming to improve abduction, circumduction, and flexion-extension movements.
Inflammation due to shoulder injuries can cause conditions like adhesive capsulitis, also known as 'frozen shoulder'. The rotator cuff, formed by tendons such as the deep subscapularis and supraspinatus, plays a crucial role in shoulder stability and function. In sports like baseball, repetitive motion can lead to rotator cuff injuries, requiring surgical repair.