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Thoracic Limb Joints

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48 Questions

Which bony prominence on the humerus is the origin of the supraspinatus muscle?

Greater tubercle

Which of the following is NOT a joint that makes up the elbow joint?

Glenohumeral

Which muscle causes flexion of the shoulder joint?

Teres major

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

Articulates with the clavicle

Which bony prominence on the humerus is the insertion point for the teres major muscle?

Teres major tuberosity

What type of joint is the shoulder (glenohumeral) joint?

Ball-and-socket joint

What is the primary action of the biceps brachii muscle?

Flex the elbow and extend the shoulder

Which ligament is located on the lateral side of the elbow joint?

Lateral collateral ligament

What is the function of the supinator muscle?

Supinate the antebrachium (turn inward)

Which of the following structures is NOT part of the elbow joint?

Scapula

What is the primary function of the triceps brachii muscle?

Extension of the elbow

Which joint is formed between the distal radius/ulna and the carpal bones?

Antebrachiocarpal joint

Which muscle originates from the medial epicondyle of the humerus and inserts on the cranial radius?

Pronator Teres

What is the primary action of the lateral collateral ligament in the dog's elbow joint?

Stabilization of the elbow joint

Which joint is located between the two rows of carpal bones in a dog's limb?

Middle carpal joint

In a dog's elbow joint, which structure serves as the insertion point for the biceps brachii muscle?

Radial and Ulnar Tuberosity

Which muscle is responsible for extending the elbow and flexing the shoulder in a dog's limb?

Triceps Brachii

What is the specific action of the carpal joints in a dog's limb?

Extension of the carpus

What joint in the thoracic limb is also known as the scapulohumeral joint?

Shoulder joint

Which muscle is responsible for shoulder extension?

Supraspinatus

What structure connects the humerus and the scapula at the shoulder joint?

Glenoid Cavity

Which bony prominence on the scapula is located where muscles like Supraspinatus originate?

Supraspinous Fossa

Which action is primarily responsible for shoulder flexion?

Shoulder Flexion

Which term describes the joint formed between the distal radius/ulna and carpal bones?

Radiocarpal Joint

What is the scientific term for a 'ball and socket joint' in the human shoulder?

Glenohumeral joint

Which bony prominence on the scapula is crucial for the origin of the Teres Major muscle?

Spine

What is the primary action of the Teres Major muscle in the front limb of a dog?

Shoulder Flexion

Which specific part of the humerus serves as the insertion point for the Supraspinatus muscle in a dog's limb?

Greater tubercle

In a dog's front limb, which muscle is primarily responsible for shoulder extension?

Deltoid

Which of the following joints is NOT part of the elbow joint in a dog's limb?

Carpometacarpal joint

What is the primary function of the medial collateral ligament in a dog's elbow joint?

Stabilize the joint during extension

Which muscle originates from the lateral epicondyle of the humerus and inserts on the cranial radius?

Supinator

What is the action of the triceps brachii muscle in a dog's limb?

Flex the shoulder and extend the elbow

Which joint is located between the distal radius/ulna and the carpal bones in a dog's limb?

Antebrachiocarpal joint

Which structure connects the humerus and the scapula at the shoulder joint?

Acromion process

What is the specific action of the pronator teres muscle in a dog's limb?

Pronate the antebrachium

What is the primary action of the Teres Major muscle in the front limb of a dog?

Shoulder flexion

Which bony prominence on the humerus serves as the insertion point for the Supraspinatus muscle in a dog's limb?

Greater tubercle

Which joint in the dog's thoracic limb is also known as the scapulohumeral joint?

Shoulder joint

Which joint is formed between the distal radius/ulna and the carpal bones in a dog's limb?

Antebrachiocarpal joint

Which muscle originates from the medial epicondyle of the humerus and inserts on the cranial radius in a dog's limb?

Pronator teres

What type of joint is the shoulder (glenohumeral) joint?

Ball and socket joint

Which structure is responsible for supinating the antebrachium (turning the forearm inward) in the dog's limb?

Supinator

What is the primary action of the biceps brachii muscle in the dog's limb?

Flexion of the elbow

Which ligament on the lateral side of the elbow joint helps stabilize the joint?

Lateral collateral ligament

Which joint is formed between the distal radius/ulna and the carpal bones in the dog's limb?

Antebrachiocarpal joint

What is the primary action of the pronator teres muscle in the dog's limb?

Pronation of the antebrachium

Which muscle is primarily responsible for extension of the elbow joint in the dog's limb?

Triceps brachii

Test your knowledge on the bones, boney prominences, scientific terminology, and muscles related to the shoulder, elbow, and carpus joints in the thoracic limb. Learn about species differences in these joints and their movements.

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