Protraction
This is the Joint Movements section about the types of movements between bones at joints in the body.
The expressions listed in this category could also be described as:
- actions at joints
- actions of muscles, or
- muscle actions
For a single list of all the movements of the body included in this section see types of movements at joints.
Short definition of Protraction (in the context of a term to describe movement of the body):
Protraction is movement of a body part in the anterior direction, i.e. being drawn forwards.
The movement of protraction is the opposite of the movement of retraction.
The word protraction can be used to describe a movement so it could be used in a sentence such as
"Protraction of the shoulder is one of the movements used in rowing".
The only joints capable of protraction are the shoulder joint and the jaw.
Example of Protraction:
Protraction of the shoulder:
This video demonstrates the action of protraction of the shoulder:
Protraction of the shoulder:
This video demonstrates the action of protraction of the shoulder:
See also list of definitions of muscle terminology (words used to convey information about specific muscles) - useful for studying human anatomy and physiology, sports sciences e.g. physical education (PE), physiotherapy, and other health sciences.
About this section:
This is the Joint Movements section, which is about the types of movements between bones at joints in the body. Alternatively, terms listed in this category could be described as:
- actions at joints,
- actions of muscles or
- muscle actions.
For a single list summarizing all the movements of the body included in this section see
types of movements at joints.
See also definitions of muscle terminology (words used to convey information about specific muscles) - useful for studying human anatomy and physiology, sports sciences e.g. physical education (PE), physiotherapy, and other health sciences.
- Anterior Muscles
- Posterior Muscles
- Facial Muscles
- Muscle Terminology (Definitions)
- 1. Structure of Muscle
- 2. Structure of Muscle Cells
- 3. Muscle Filaments
- 4. Sliding Filament Theory
- 5. Neuromuscular Junction
- 6. Actions at Neuromuscular Junction
- Types of Muscle Contractions
- Muscular Disorders
- Effects of exercise on muscles