29 Questions
What is the function of synovial fluid in a joint?
Acts as a lubricant to reduce friction
Which type of cartilage is found at the ends of bones in a joint?
Hyaline cartilage
What is the function of articular fat pads in a joint?
Act as shock absorbers
Which structure is responsible for increasing the area of contact in a ball and socket joint?
Labrum
What type of movements occur during gliding movements at synovial joints?
Nearly flat bone surfaces moving back-and-forth without changing the angle between bones
What is the main function of tendons in relation to joints?
Connect muscles to bones
Which type of joint contains more dense irregular connective tissue and permits limited movement?
Syndesmosis
Which joint type involves a cone-shaped peg fitting into a socket and allows no movement?
Gomphosis
Where is the interosseous membrane found?
Between the long bones like radius and ulna
Which joint type involves a disc of fibrocartilage between hyaline cartilage covering bone ends?
Symphysis
In which joint type does hyaline cartilage lead to slightly movable to immovable articulations?
Synovial Joints
What is the main characteristic of synovial joints?
Composed of an articular capsule with 2 layers
Which type of movement involves the bending of the ankle so that the foot moves in a dorsal or plantar direction?
Dorsiflexion
In which type of joint does the rounded or pointed surface of one bone articulate within a ring formed partly by another bone?
Pivot joint
Which type of joint permits side-to-side, back-and-forth movements, and sometimes rotation?
Planar joint
What movement involves the forearm where the palm turns posteriorly?
Pronation
Which type of movement involves moving the sole of the foot medially?
Inversion
What is the movement where the thumb moves across the palm to touch the fingertips on the same hand called?
Opposition
Which type of joint allows for the most range of motion?
Ball and socket joint
What type of joint is found between the trapezium and the base of the 1st metacarpal?
Saddle joint
Which type of joint allows for flexion, extension, abduction, and adduction movements?
Condyloid joint
What hormone can increase flexibility in fibrocartilage in certain joints during late pregnancy?
Relaxin
Which type of joint allows for rotational movements?
Ball and socket joint
What type of joint is the sternoclavicular joint?
Saddle joint
Which ligament strengthens the superior aspect of the capsule at the glenohumeral joint?
Coracohumeral ligament
Which structure helps to secure the humeral head in the glenoid cavity?
Glenoid labrum
What type of joint is formed between the head of humerus and the glenoid cavity?
Ball and socket joint
What type of joint is the radioulnar joint at the elbow?
Pivot joint
What muscles are described as the greatest stabilizers of the glenohumeral joint?
Rotator cuff muscles
Test your knowledge on the different types of joint movements in the skull, including immovable sutures and slightly movable syndesmosis. Learn about synostosis in childhood sutures and denser connective tissue joints like gomphosis.
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