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Indirect connections where the body can move are also called joints. For example, elbows, knees, wrists, etc.
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Hello! Joints are a form of bone connection, the highest form of differentiation of bone connection, characterized by the separation or gap between the relative bone surfaces. Joints mainly include:
1.Articular surface: articular head, socket covering articular cartilage.
2.Joint capsule: attached to the periphery of the articular surface.
Composition: fibrous membrane (outer layer), synovial membrane (inner layer, secreting synovial fluid). 3.
Joint cavity: between the articular cartilage and the synovium (negative pressure, synovial fluid), ligaments, cartilage, synovium and other accessory structures can also be attached around it.
The joints of the human body are all over the body, and the main joints are roughly as follows:
Cranial part: temporomandibular joint (mandibular joint).
Vertebral joints: vertebral joints, facet joints, atlanto-occipital joints, atlantoaxial joints.
Thoracic part: costovertebral joints include costocephal joints and costotransverse process joints.
Upper limb bone joints: sternoclavicular joints, acromioclavicular joints, shoulder joints, elbow joints, proximal radiula joints, distal radiula joints, hand joints (including radial carpal joints, carpal interosseous joints, mid-bowl joints, metacarpophemaral joints, metacarpophalangeal joints, metacarpophalangeal joints, interphalangeal joints).
Lower limb bone joints: symphysis pubis joints, sacroiliac joints, hip joints, knee joints, foot joints (including talar calf joints are ankle joints, intertarsal joints, tarsometatarsal joints, metatarsal joints, metatarsophalangeal joints, intertophalangeal joints).
Hope mine helps you!
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Head: temporomandibular joint, neck:
Atlantoaxial joints, intervertebral joints between the vertebrae, sternoclavicular joints, shoulders:
Acromioclavicular joint, shoulder joint.
Elbow: elbow joint, proximal ulnar joint,
Wrist: deflex ulnar distal joint, wrist joint,
Metacarpal joints, interphalangeal joints, waist of the hand:
Lumbosacral joint, pelvis:
The sacroiliac joint and pubic symphysis are semi-joints.
Lower limbs: hip joint, knee joint, proximal tibia and fibular joint, distal tibia and fibular joint, ankle joint, foot: metatarsophalangeal joint, interphalangeal joint.
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The name and location of the joints of the human body:
1. Cranial part: mandibular joint (mandibular joint).
2. Vertebral body: vertebral joints, facet joints, atlanto-occipital joints, atlantoaxial joints.
3. Thoracic part: costovertebral joints include costal joints and costotransverse process joints.
4. Upper limb bone joints: sternoclavicular joints, acromioclavicular joints, shoulder joints, elbow joints, proximal radiula joints, distal radiula joints, hand joints (including radial carpal joints, carpal interosseous joints, bowl joints, wrist metacarpophesal joints, metacarpophalangeal joints, interphalangeal joints), etc.
5. Lower limb bone joints: pubic symphysis joints, sacroiliac joints, hip joints, knee joints, foot joints (including talus calf joints are ankle joints, intertarsal joints, tarsometatarsal joints, metatarsal joints, metatarsophalangeal joints, intertoephalangeal joints), etc.
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Wrist, hip, knee, elbow, cervical vertebrae, ankle, shoulder joint, wrist, hip, knee, elbow, cervical vertebrae, ankle, shoulder joint.
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There are many joints in the human body, such as wrist joints, elbow joints, knee joints, finger joints, shoulder joints, jaw joints, hip joints, ankle joints, foot finger joints, lumbar joints, thoracic joints, cervical joints, sacral joints, and so on.
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There are six joints, including wrist, hip, knee, shoulder, elbow, ankle.
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The hospital network provides the following services:
Despite the human body. Zhi's joints have a variety of DAOs, but its basic version.
The structure is nothing more than the joint right surface, joint capsule, and joint cavity.
1. Articular surface: The smooth surface where each bone touches each other is called the articular surface. The articular surface is covered by a layer of cartilage called articular cartilage.
2. Joint capsule: It is composed of connective tissue, which attaches to the bone surface around the articular surface. It can be divided into two layers, the outer layer is the fiber layer, which is composed of dense connective tissue; The inner layer is the synovial layer, which is composed of a thin layer of loose connective tissue, which secretes synovial fluid and plays a lubricating role.
3. Joint cavity: It is the closed space between the articular cartilage and the joint capsule.
4. Articular cartilage: reduce friction between bones.
5. Joint head: Closely linked with the joint socket for exercise.
6. Joint socket: Tightly connect with the joint head and carry out exercise. Basic lesions of the joints.
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Joints are structures necessary for differential growth, extension, shear, compression, torsional force, and various movements.
An organ is a structure of different cells and tissues (e.g., heart, kidney, leaf, flower) of an animal or plant that is used to perform certain functions and form systems together with other structures that share a common function.
To put it simply, the joint is the connecting point, which plays the role of connecting the upper and lower levels; Organs, on the other hand, can perform a function on their own as a part.
The condition of temporomandibular joint dislocation in patients is generally caused by exogenous elements and endogenous elements, exogenous elements refer to the situation that the patient's lips are in the open mouth, and then the lower jaw part is subjected to external pressure, which in turn causes the patient's jaw to be unable to be fully automatically calibrated in the future, and then leads to the loosening of the tendons around the bone joint. The key endogenous element refers to the patient's long-term yawning, singing too hard or eating with his mouth wide open, which will lead to acute dislocation of the patient's temporomandibular joint if it is unreasonable. >>>More
The human body has many protective mechanisms, and when we are injured, we will react quickly to prevent some diseases, but some parts of the body are very easy to be injured and also need to be paid a little attention in daily life, and the ankle joint is one of the most vulnerable parts of the human body, which is what we often call twisting the foot. If you accidentally injure your ankle joint, you need to stop exercising immediately and train with ice, elevation, etc., but you also need to do it under the guidance of professionals, otherwise it will aggravate the injury in this area. <> >>>More
The joints that can be moved by the human body are roughly as follows: Cranial part: temporomandibular joint (mandibular joint) vertebral body: >>>More
Introducing how to maintain the four knee joints:
1. Do a good job in life and diet care: If the elderly want to better avoid knee joint problems, they should pay attention to supplementing vitamins in their diet, and eat more foods containing vitamins, calcium and phosphorus, such as carrots, oranges, milk, cheese, etc. In addition, the elderly should pay attention to the warmth of the knee joints and avoid being in a wet and cold environment. >>>More
There are many parts of the human body, so why don't you explain it clearly.