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Anatomy of Upper and Lower Extremities

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Questions and Answers

What is the primary function of the scapula?

To protect the underlying organs and muscles
To provide a wide range of motion for the upper extremity (correct)
To anchor the muscles of the upper arm
To facilitate the movement of the forearm and wrist

Which type of joint is the glenohumeral joint?

Synovial ball-and-socket joint (correct)
Synovial pivot joint
Synovial hinge joint
Cartilaginous joint

What is the function of the coracoid process of the scapula?

To provide attachment for the deltoid muscle
To serve as an anchor for the ligaments of the shoulder joint
To form the glenohumeral joint
To provide attachment for the pectoralis minor muscle (correct)

What is the general function of the upper extremity?

To facilitate movement and manipulation of objects in the environment (A) Signup and view all the answers

What is the purpose of the longitudinal arch of the foot?

To absorb shock and distribute pressure during weight-bearing activities (D) Signup and view all the answers

What is the name of the deformity characterized by a lateral deviation of the great toe?

Hallux valgus (B) Signup and view all the answers

What is the primary function of the rotator cuff?

To stabilize the humeral head and prevent subacromial impingement (A) Signup and view all the answers

Which muscle group is responsible for winging of the scapula?

Anterior muscles of the shoulder complex (A) Signup and view all the answers

What is the term for the rhythmical movement of the scapula and humerus during shoulder movements?

Scapulohumeral rhythm (B) Signup and view all the answers

What is the common injury that occurs when the ligaments at the proximal radioulnar joint are damaged?

Radioulnar joint dislocation (D) Signup and view all the answers

Which nerve roots contribute to the formation of the Brachial Plexus?

C5-T1 (B) Signup and view all the answers

What is the term for the injury that occurs when the median nerve is compressed in the carpal tunnel?

Carpal tunnel syndrome (D) Signup and view all the answers