Dexterity
Dexterity
Dexterity (/dɛkˈstɛrɪti/), derived from the Latin word 'dexter', meaning 'right-handed', is a term used in the medical field to describe the skill and ease in using one's hands or body. It is often associated with fine motor skills, coordination, and physical agility.
Definition
Dexterity refers to the ability to use the hands effectively to manipulate objects and carry out specific tasks. It involves a range of skills from the physical ability to control movements of the hands and fingers, to the ability to handle objects, tools, or controls with speed and accuracy.
Related Terms
- Fine Motor Skills: These are the abilities required to control smaller movements of the hands and fingers, such as picking up small objects or tying a shoelace.
- Gross Motor Skills: These are the abilities required to control the large muscles of the body for walking, running, sitting, crawling, and other activities.
- Coordination: This is the ability to use different parts of the body together smoothly and efficiently.
- Agility: This is the ability to move quickly and easily, often involving a combination of balance, coordination, speed, reflexes, and strength.
Clinical Significance
Dexterity is often assessed in both children and adults to identify any potential issues related to motor skills. Decreased dexterity can be a sign of various medical conditions, such as Parkinson's Disease, Multiple Sclerosis, or Arthritis. It can also be affected by injuries to the hand or brain.
Assessment
Dexterity can be assessed using various tests, such as the Purdue Pegboard Test, Box and Block Test, or Nine-Hole Peg Test. These tests measure the speed, accuracy, and coordination of hand movements.
Treatment
Treatment for decreased dexterity often involves physical therapy or occupational therapy. Therapists use various techniques and exercises to improve hand strength, coordination, and fine motor skills.
External links
- Medical encyclopedia article on Dexterity
- Wikipedia's article - Dexterity
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