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7 Σεπ 2024 · Flexion refers to a movement that decreases the angle between two body parts. Flexion at the elbow is decreasing the angle between the ulna and the humerus. When the knee flexes, the ankle moves closer to the buttock, and the angle between the femur and tibia gets smaller. Extension refers to a movement that increases the angle between two body ...
In the limbs, flexion decreases the angle between the bones (bending of the joint), while extension increases the angle and straightens the joint. For the upper limb, all anterior motions are flexion and all posterior motions are extension.
3 ημέρες πριν · Repetitive motion of the flexor tendons can cause them to become inflamed and impinge the median nerve, leading to pain, numbness and tingling known as carpal tunnel syndrome. Nine extensor muscles found in the posterior side of the forearm extend the hand and fingers.
20 Ιουλ 2023 · Flexion, or bending, involves decreasing the angle between the two entities taking part in the movement (bones or body parts). In contrast, extension , or straightening, involves increasing the respective angle.
Muscles of the hand - Wikipedia. The muscles of the hand are the skeletal muscles responsible for the movement of the hand and fingers. The muscles of the hand can be subdivided into two groups: the extrinsic and intrinsic muscle groups. The extrinsic muscle groups are the long flexors and extensors.
Functional Anatomy of the Hand - Physiopedia. Introduction. The hand contains a number of joints that allow complex actions, such as manipulating, gripping and grasping objects. Optimal hand function requires adequate strength, sensation, range of motion, and dexterity.
24 Μαρ 2019 · Flexion and extension. When talking about flexion and extension, we are usually referring to these movements as they occur about the coronal axis, and along the sagittal plane. Flexion refers to decreasing a joint angle, and extension to increasing the joint angle back to resting anatomical position.
