Term
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Definition
It is the site where 2 OR MORE BONES MEET, with or without MVMNT. |
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Term
What are the functions of joints? |
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Definition
Gives the skeleton MOBILITY. HOLDS the skeleton together. |
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Term
Name the structural classification of joints. |
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Definition
Fibrous joints Cartilaginous joints Synovial joints |
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Term
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Definition
Connected by short connective tissue fibers. |
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Term
What are examples of fibrous joints? |
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Definition
INFERIOR TIBIOFIBULAR JOINT SUTURES in the skull |
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Term
What are examples of cartilaginous joints? |
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Definition
Synchondroses (Hyaline cartilage) Symphyses (Fibrocartilage) |
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Term
Describe synovial joints. |
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Definition
Lined by synovial membrane. Has a joint cavity. |
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Term
Name the functional classification of joints. |
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Definition
No movement Slight movement Freely mobile |
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Term
What kind of joints enjoy slight movement? |
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Definition
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Term
What kind of joints are freely mobile? |
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Definition
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Definition
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Term
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Definition
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Definition
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Term
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Definition
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Term
Name the features of a synovial joint. |
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Definition
<3Cs + 1S> Capsule Articular Cartilage (Joint) Cavity Ligaments Rich nerve and blood supply Bursae Articular discs Synovial Membrane Ligaments |
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Term
What kind of joints have no movement? |
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Definition
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Term
What are primary cartilaginous joints and secondary cartilaginous joints? |
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Definition
1º cartilaginous joints are hyaline in nature. 2º cartilaginous joints are fibrocartilage in nature. |
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Term
What is the function of the capsule? |
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Definition
Capsule holds the bone in position. |
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Term
What kind of cartilage is the articular cartilage made of? |
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Definition
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Term
What is the function of articular cartilage? |
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Definition
Meeting of two cartilage surfaces provide a very low friction environment for the movement of joints. |
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Term
What is the function of the synovial membrane? |
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Definition
Produces a lubricating fluid. Produces a fluid that nourishes the articular cartilage. |
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Term
What is the classification of ligaments in terms of their position? |
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Definition
Capsular (Intrinsic) Intracapsular Extracapsular |
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Term
What is the significance of having capillary beds in your synovial joints? |
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Definition
The capillary beds produce filtrate for synovial fluid. |
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Term
What is the significance of having nerve fibers in the synovial joints? |
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Definition
PAIN detection Monitor JOINT POSITION Monitor STRETCH |
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Term
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Definition
Around the joints or around the tendons. |
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Term
What is the function of bursae? |
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Definition
It contains synovial fluid, thus MINIMIZES FRICTION. |
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Term
Where are articular discs found? |
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Definition
They are not found in all joints. Mostly found in COMPLEX JOINTS. Menisci @ knee joint Temporomandibular joint Sternoclavicular joint |
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Term
What are the functions of articular discs? |
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Definition
Shock Absorbers Provide Stability |
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Term
Position of the Bursa wrt Other Parts |
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Definition
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Term
Superior view of the right tibia in the knee joint, showing the menisci and cruciate ligaments |
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Definition
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Term
What are the factors that ensure the stability of the synovial joint? |
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Definition
Bones (Shape + Size) Ligaments Muscle tone |
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Term
What is the classification of ligaments in terms of their tissue type? |
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Definition
Elastic ligament (Made entirely of elastic connective tissue.) Fibrous ligament |
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Term
What are the functions of fibrous ligaments? |
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Definition
Reinforce the joint Prevent undesirable movmnt |
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Term
Give examples of where muscle tone is extremely important in reinforcing a joint. |
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Definition
Shoulder joints (Rotator Cuff Muscle) Knee joints (Quadriceps Femoris) Arches of the foot |
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Term
Every muscle has how many attachments? |
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Definition
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Term
Name the two muscle attachments. |
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Definition
Origin = Proximal Attachment Insertion = Distal Attachment |
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Term
What does muscle contraction result in? (In terms of the muscle attachments.) |
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Definition
Insertion moves towards the origin. |
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Term
What are the planes that muscle mvmnts occur along? |
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Definition
Transverse planes Sagittal planes Frontal planes |
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Term
What are the 6 types of synovial joints? |
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Definition
Plane Hinge Pivot Condyloid Saddle Ball & Socket |
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Term
What mvmnts do plane joints produce? |
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Definition
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Term
Give me examples of plane joints. |
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Definition
Acromioclavicular joint Inter-carpal |
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Term
What mvmnts do hinge joints produce? |
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Definition
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Term
Examples of hinge joints? |
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Definition
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Term
What mvmnts do plane joints produce? |
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Definition
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Term
Examples of pivot joints? |
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Definition
Atlantoaxial joint Radioulnar joint |
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Term
What mvmnts do condyloid joints produce? |
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Definition
Adduction (towards the sagittal plane)/Abduction (away from the sagittal plane) Flexion/Extension |
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Term
Name examples of condyloid joints. |
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Definition
Wrist Metacarpophalangeal joint |
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Term
Examples of saddle joints. |
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Definition
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Term
Examples of ball & socket joints. |
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Definition
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Term
What are the special joints to take note of? |
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Definition
Knee joint Ankle joint Shoulder joint Elbow joint Wrist joint |
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Term
What is special about the inferior tibiofibular joint? |
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Definition
It is the only fibrous joint in the appendicular skeleton. |
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Term
How are the bones connected in the ankle joint? |
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Definition
Tibia + Fibula w Talus (ankle bone) |
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Term
How are the bones connected in the knee joint? |
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Definition
Femur w Patellar Femur w Tibia + its menisci (fibula does not take part in knee joint) |
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Term
How are the bones connected in the shoulder joint? |
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Definition
Head of Humerus w Scapula's Glenoid Cavity |
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Term
How are the bones connected in the elbow joint? |
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Definition
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Term
How are the bones connected in the wrist joint? |
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Definition
Radius w Scaphoid + Lunate (carpus) (ulna does note take part) |
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Term
What are the types of movements at the synovial joints? |
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Definition
Gliding movements Angular movements Special movements Circular movements |
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Term
Describe angular movements. What are the different kinds of angular movements? |
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Definition
Angular movements change the size of the angle between articulating bones. Flexion/Extension/Hyperextension Plantar Flexion/Dorsiflexion Abduction/Adduction |
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Term
Describe circular movements. What are the different kinds of circular movements? |
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Definition
Circular movements result in the arclike rotation of a structure around an axis. Rotation/Circumduction Supination/Pronation |
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Term
Describe gliding movements. What are the different kinds of gliding movements? |
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Definition
Gliding movements are the simplest of all movements. The articular surface of one bone moves over the articular surface of another without any angular or circular movement. |
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Term
Describe special movements. What are the different kinds of special movements? |
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Definition
Special movements are often unique or unusual movements that occur only in a very limited number of joints. These movements do not fit well into other movement categories and are generally described separately. Inversion/Eversion Protraction/Retraction Elevation/Depression Opposition |
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Term
What is an example of a joint that exhibits supination/pronation? |
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Definition
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Term
What is an example of a joint that exhibits plantar flexion/dorsiflexion? |
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Definition
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Term
What is an example of a joint that exhibits inversion/eversion? |
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Definition
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Term
What is an example of a joint that exhibits opposition? |
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Definition
Thumb at carpo metacarpal joint |
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Term
Name 2 parts of the body that exhibit flexion/extension/hyperextension. |
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Definition
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Term
Name 2 parts of the body that exhibit flexion/extension. |
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Definition
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Term
What joint exhibits abduction/adduction and circumduction? |
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Definition
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Term
Name 3 parts of the body that exhibit rotation. |
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Definition
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Term
Name a joint that exhibits inversion/eversion. |
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Definition
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Term
Where does opposition occur? |
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Definition
b/n the thumb and the other 4 fingers |
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