Causes of a brachial plexus injury. Brachial plexus injury (BPI) is an umbrella term for a variety of conditions that may impair function of the brachial plexus nerve network. The majority of pediatric and adult brachial plexus injuries are caused by trauma. The most common inciting events may include:auses of a brachial plexus injury. Brachial plexus injury (BPI) is an umbrella term for a variety of conditions that may impair function of the brachial plexus nerve network. The majority of pediatric and adult brachial plexus injuries are caused by trauma. The most common inciting events may include:
frustration meaning, definition, what is frustration: the feeling of being annoyed or less confident because you cannot achieve what you wantâ¦. Learn more.
In psychology, frustration is a common emotional response to opposition. Related to anger, annoyance and disappointment, frustration arises from the perceived resistance to the fulfillment of an individual's will or goal and is likely to increase when a will or goal is denied or blocked. There are two types of frustration; internal and external. Internal frustration may arise from challenges in fulfilling personal goals, desires, instinctual drives and needs, or dealing with perceived deficienci