47 Questions
Which muscle is responsible for adduction, medial rotation, and extension of the GH joint?
Latissimus dorsi
Which muscle initiates GH abduction (first 15˚)?
Supraspinatus
Which muscle is responsible for medial rotation of the GH joint?
Subscapularis
Which muscle is responsible for scapula protraction, depression, and medial rotation?
Pectoralis Minor
Which muscle is responsible for scapula protraction, lateral rotation, and keeping the scapula against the thoracic wall?
Serratus Anterior
Which muscle is responsible for scapula elevation, lateral rotation, retraction, and depression?
Trapezius
Which muscle is responsible for scapula retraction and elevation?
Rhomboid Major
Which muscle is responsible for forearm extension at the elbow?
Triceps brachii (long head)
Which muscle is a rotator cuff muscle and initiates GH abduction (first 15˚)?
Supraspinatus
Which muscle is responsible for lateral rotation of the GH joint?
Infraspinatus
Which muscle is responsible for medial rotation of the GH joint?
Subscapularis
Which muscle is responsible for adduction, medial rotation, and extension of the GH joint?
Latissimus dorsi
Which muscle is responsible for scapula protraction, lateral rotation, and keeping the scapula against the thoracic wall?
Teres minor
Which muscle is responsible for scapula retraction and elevation?
Latissimus dorsi
Which muscle is responsible for scapula protraction, depression, and medial rotation?
Triceps brachii (long head)
Which muscle is responsible for scapula elevation, lateral rotation, retraction, and depression?
Latissimus dorsi
Which muscle is a rotator cuff muscle and responsible for medial rotation of the GH joint?
Subscapularis
Which muscle is responsible for scapula protraction, depression, and medial rotation?
Pectoralis Minor
Which muscle is responsible for scapula retraction and elevation?
Rhomboid Major
Which muscle is responsible for medial rotation of the GH joint?
Biceps Brachii
Which muscle is responsible for forearm extension at the elbow?
Biceps Brachii
Which muscle is responsible for scapula protraction, lateral rotation, and keeping the scapula against the thoracic wall?
Serratus Anterior
Which muscle is responsible for scapula elevation, lateral rotation, retraction, and depression?
Trapezius
Which muscle is responsible for adduction, medial rotation, and extension of the GH joint?
Pectoralis Major
Which muscle initiates GH abduction (first 15˚)?
Deltoid
Which muscle is a rotator cuff muscle and responsible for medial rotation of the GH joint?
Biceps Brachii
Which muscle is a rotator cuff muscle and initiates GH abduction (first 15˚)?
Deltoid
Which muscle is responsible for scapula protraction, depression, and medial rotation?
Serratus Anterior
Which muscle is responsible for scapula protraction, lateral rotation, and keeping the scapula against the thoracic wall?
Serratus Anterior
Which muscle is responsible for scapula elevation, lateral rotation, retraction, and depression?
Trapezius
Which muscle is responsible for scapula elevation?
Levator Scapulae
Which muscle is responsible for scapula retraction and elevation?
Rhomboid Minor
Which muscle is responsible for scapula retraction and elevation?
Rhomboid Major
Which muscle is responsible for abductor of the GH joint and helps with GH extension?
Deltoid
Which muscle is responsible for flexion, adduction, and medial rotation of the GH joint?
Pectoralis Major
Which muscle is responsible for flexion of the forearm at the elbow, supination of the forearm, and accessory flexion of the GH joint?
Biceps Brachii
Which muscle is responsible for flexion and adduction of the GH joint?
Coracobrachialis
What are the boundaries of the cubital fossa?
The superior boundary is a line between the lateral and medial epicondyles. The lateral boundary is the brachioradialis (medial border of muscle). The medial boundary is the pronator teres (lateral border of muscle). The roof is the bicipital aponeurosis and the floor is the brachialis.
What are the contents of the cubital fossa?
The contents of the cubital fossa include the radial nerve, biceps brachii tendon, brachial artery, and median nerve. The median nerve bifurcates into ulnar and radial arteries. The radial nerve is deep to the brachioradialis and divides into deep and superficial branches.
What are the nerves of the forearm?
The nerves of the forearm include the radial nerve (C5 to C8, T1), median nerve (C6 to C8, T1), and ulnar nerve (C7, 8, T1).
What are the arteries of the forearm?
The arteries of the forearm include the brachial artery, ulnar artery, and radial artery.
What are the structures in the wrist?
The structures in the wrist include the radial artery, flexor carpi radialis, ulnar nerve and artery, median nerve, palmaris longus, brachioradialis, and superficial branch of the radial nerve.
What is the 'snuffbox'?
The 'snuffbox' is an anatomical landmark located on the dorsum of the wrist. It is formed by the tendons of the extensor pollicis longus, extensor pollicis brevis, and abductor pollicis longus, with the trapezium and scaphoid bones.
What is the radial nerve's location at the wrist?
Only the superficial branch of the radial nerve enters the hand. It passes over the tendon of the extensor pollicis longus on the dorsum of the wrist.
What is the carpal tunnel?
The carpal tunnel is formed by the flexor retinaculum (ligament) and contains the median nerve, as well as the flexor tendons and extensor tendons.
What are the muscles in the anterior view of the forearm?
The muscles in the anterior view of the forearm include the pronator teres, flexor carpi radialis, flexor digitorum superficialis, flexor pollicis longus, and pronator quadratus.
What is the median nerve's location?
The median nerve is located in the carpal tunnel and passes between the flexor digitorum superficialis and flexor pollicis longus muscles in the anterior view of the forearm.
Test your knowledge of scapula movements and muscle actions with this informative quiz. Learn about the innervation, origin, and insertion of muscles like the pectoralis minor and serratus anterior. Challenge yourself and improve your understanding of shoulder anatomy.
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