Examples of flexion in the following topics:
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- Flexion is bending the limbs (reduction of angle) at a joint.
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- During the last portion of the stride, as the foot undergoes plantar flexion (pointing the toes downward), the stored elastic energy is released.
- Certain joints exhibit special movements including elevation, depression, protraction, retraction, inversion, eversion, dorsiflexion, plantar flexion, supination, pronation, and opposition.
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- The fourth week of gestation is characterized by the flexion of the superior portion of the neural tube to create the mesencephalon.
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- These joints act as a hinge, allowing flexion and extension in just one plane.
- Some classifications make a distinction between condyloid and ellipsoid joints, but both allow flexion, extension, abduction, adduction, and circumduction movements.
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- Actions – The anterior region
assists the pectoralis major during transverse flexion of the shoulder and
acts weakly in strict transverse flexion.
- The lateral region assists in
shoulder flexion when the shoulder is rotating, although it also assists the
transverse abduction of the shoulder.
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- Flexion decreases the angle and extension increases the angle.
- For example, extension of the arm opens the angle of the elbow joint, while flexion allows for the bending of the arm.
- Flexion can also move inwards towards the body or forward, such as with hips or shoulders.
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- Humerus that act on the forearm are primarily involved in flexion and extension.
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- Three columnar muscles in the
intermediate layer are responsible for flexion and extension of the neck
as well as posture maintenance.
- Actions – Abduction, adduction,
extension, flexion, and rotation of the neck depending on intra and inter-muscle
contractions.