Arm & Axilla - Upper limb الجزء الرابع - MSS أناتومي الـ

What type of joint is the elbow joint?

Which part of the humerus articulates with the trochlear notch of the ulna?

Which ligament is attached to the lateral epicondyle of the humerus?

What action does the brachialis muscle primarily perform?

Which muscle is responsible for elbow extension?

Which border of the scapula forms the posterior boundary of the axillary apex?

What is the nerve supply for the Coraco-brachialis muscle?

Which of the following muscles is located in the anterior wall of the axilla?

What structure admits the head of the radius at the elbow joint?

Which of the following muscles is considered a prime flexor of the elbow?

Which of the following inserts on the middle of medial border of humerus?

Which muscle assists with shoulder joint support?

Which structure forms the medial boundary of the axilla?

Which of these muscles is involved in flexing the elbow when the forearm is in midprone position?

What nerve innervates the triceps brachii muscle?

The coronoid process of ulna is admitted by which part of humerus?

What is contained within the axilla?

Which muscle supinates the forearm?

Which of the following is the origin of the lateral head of the triceps brachii?

Which muscle(s) inserts onto the radial tuberosity?

Which structural component of the humerus directly articulates with the trochlear notch of the ulna to facilitate elbow joint movement?

In a complex injury involving the elbow, a surgeon needs to reattach a stabilizing ligament to the lateral epicondyle of the humerus. Which ligament is the target for this reattachment?

Which statement accurately describes the functional role of the coronoid fossa of the humerus?

Considering the muscular actions at the elbow joint, which muscle is specifically responsible for flexing the elbow when the forearm is in a pronated position?

Which muscle primarily facilitates supination of the forearm?

What is the functional implication of the radial notch admitting the head of the radius at the elbow joint?

If a patient presents with damage to the musculocutaneous nerve, resulting in impaired flexion and supination, which muscle would be LEAST affected?

Which specific aspect of the humerus serves as the insertion point for the deltoid muscle?

The surgical resident is asked to identify the boundaries of the axilla. Which of the following correctly lists the structures forming the axilla's anterior wall?

Which of the following lists the structures that define the boundaries of the 'cervico-axillary canal' (apex of axilla)?

A patient has weakness in arm flexion and supination. Imaging reveals a lesion affecting the musculocutaneous nerve. Which of the following muscles would be MOST affected by this condition?

Which statement accurately differentiates between the origins of the long and lateral heads of the triceps brachii muscle?

A clinician is assessing a patient with a suspected axillary nerve injury. Which of the following findings would MOST likely support this diagnosis?

A patient reports difficulty in pronating the forearm. Which of the following muscles is MOST likely affected?

During a physical examination, a doctor notes that a patient has full range of motion at the elbow but experiences pain during resisted supination. Which muscle is MOST likely the source of the pain?

A deep laceration on the anterior aspect of the arm severs a nerve, leading to the loss of both elbow flexion and supination. Based on this presentation, which nerve is MOST likely injured?

Which of the following muscles inserts onto the ulnar tuberosity?

A patient presents with an injury affecting the medial epicondyle of the humerus. Which ligament would be MOST likely affected?

When the elbow joint is fully extended, which anatomical structure of the ulna is received by the olecranon fossa of the humerus?

The coracobrachialis muscle is innervated by the musculocutaneous nerve and performs what action?