30 Questions
What is the primary function of the scapula as a lateral strut?
To resist pressure in the direction of its length
What is the surface of the scapula that faces the ribs?
Subscapular Fossa
What is the attachment point for the Conoid Ligament on the scapula?
Conoid Tubercle
Which borders of the scapula are adjacent to the vertebrae?
Medial and Lateral Borders
What is the function of the scapula in relation to reaching and climbing?
It increases shoulder joint mobility
What is the shape of the scapula?
Flat, triangular bone
What is the shape of the Costoclavicular Ligament?
Rhomboid
What is the function of the Coracoacromial Ligament?
To provide support to the Head of the Humerus
What type of joint is the Acromioclavicular Joint?
Plane Synovial
What is the Glenoid Labrum?
A fibrous ring surrounding the rim of the glenoid fossa
What is the degree of freedom in the Glenohumeral Joint?
Three degrees
What is the function of the Bursa?
To reduce friction between two structures
Which carpal bone occupies the central position at the wrist?
Capitate
Which structure provides attachment for the Flexor Carpi Ulnaris?
Pisiform
Which carpal bone is most frequently dislocated?
Lunate
What is the function of the Fovea?
Provides attachment for the Fibrocartilaginous Disc
What is the shape of the Pisiform bone?
Pea-shaped
What is the proximal articulation of the Metacarpals?
With the Carpal Bones
What type of joint is the Carpometacarpal Joint (Thumb) classified as?
Synovial Saddle
Which metacarpal bones form the Carpometacarpal Joint (Fingers)?
2nd and 5th Metacarpal
What is the shape of the articular surface of the Head of the Metacarpal?
Biconvex
How many degrees of freedom does the Metacarophalangeal Joint have?
Two
What is the characteristic of the Shaft of the Metacarpal?
Slightly curved with palmar concavity
How many phalanges are present in each finger, excluding the thumb?
Three
What is the attachment site of the medial and collateral ligaments?
Metacarpals to phalanges
What occurs when the joints are flexed in terms of the points of attachment of the medial and collateral ligaments?
A longer distance
What is the orientation of the Flexor Retinaculum?
Horizontal (mediolateral direction)
What is the function of the Flexor Retinaculum?
To form a tunnel for the tendons
What is the attachment site of the Transverse Carpal Ligament?
Pisiform and Hook of Hamate medially and Scaphoid laterally
What is the function of the Extensor Retinaculum?
To form a tunnel for the tendons
This quiz covers the functions and surfaces of the scapula, including its role in shoulder joint mobility and its structure. Learn about the convex and concave surfaces of the scapula and its relation to the humerus. Test your knowledge of the scapula's anatomy and physiology.
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