Flexors
These are the superficial muscles of the Flexor-Pronator group of the Forearm
The names of the muscles of the Posterior Forearm: Superficial Layer, Lateral Group.
What are the: Brachioradialis, Extensor Carpi Radialis Longus, Extensor Carpi Radialis Brevis?
The type of nerve fibers present in the musculocutaneous nerve. (100)
The type of nerve fibers present in the lateral antebrachial cutaneous nerve (100).
What are Somatic afferent (sensory), somatic efferent (motor) and Visceral efferent, post-ganglionic, sympathetic?
What are SA and VE?
The posterior Interosseus artery is a continuation of this artery.
DAILY DOUBLE: Trace THAT artery back as far as you can, 50pts for each additional artery back to the posterior triangle.
What is the common interosseus artery?
DAILY DOUBLE: What is the Common interosseus artery, the ulnar artery, the brachial artery, the axillary artery, and the subclavian artery?
This keeps the extensor tendons from bowstringing when the muscles contract. Describe what it is made of.
What is the extensor retinaculum? What is a dense band of connective tissue?
The action of the Flexor Digitorum Superficialis and Flexor Digitorum Profundis.
What are: To flex the digits and the proximal and distal IP joints respectively? (also the profundis can be recruited to the medial IP joints)
The names of the muscles of the Posterior Compartment: Forearm Posterior Group of the Superficial Layer
What are the: Anconeus, Extensor Carpi Ulnaris, Extensor Digitorum, and Extensor Digiti Minimi
This nerve can be found between the medial epicondyle and the olecranon. (100)
This nerve innervates these muscles it the anterior compartment of the forearm.
What is the ulnar nerve?
What are the flexor carpi ulnaris and the medial half of the flexor digitorum profundis?
This artery can be visualized when the lateral head of the triceps is cut and reflected. It is accompanied by (____) as it travels down the (____) of the (____) bone.
What is the deep brachial artery; radial nerve, radial groove, humerus?
These structures occupy the median neurovascular plane of the posterior compartment of the forearm.
What are the posterior interosseus artery and the posterior interosseus nerve?
These are ALL the proximal and distal attachements of Flexor Carpi Ulnaris.
What are: The medial epicondyle of the humerus, the olecranon process, the posterior surface of the ulna for proximal attachments and 5th metacarpal, hook of hamate, and pisiform bone.
The muscles in the Deep Layer of the Posterior Compartment of the Forearm.
What are the: Supinator Muscle, Abductor Pollicis Longus, Extensor Pollicis Longus, Extensor Pollicis Brevis, and Extensor Indicis muscles?
The anterior interosseus nerve is a continuation of this nerve. (250pts)
The nerve of the answer contains fibers from which spinal cord segments?
What is the median nerve?
What are C5-T1 spinal cord segments?
These arteries are in the Median Neurovascular Plane.
Bonus 50 pts: (These other structures accompany these arteries in the MNP)
What are the: ulnar arteries, common interosseus artery and the anterior interosseus artery?
Bonus: What are the median and ulnar nerves?
The Proximal attachments for each head of the Triceps muscle.
What are: lateral head (posterior superior humerus) long head (infraglenoid tubercle of scapula) and medial head (posterior inferior humerus)?
The actions of every muscle in the Anterior Compartment of the Brachium.
What are: (for coracobrachialis) To flex the arm at the shoulder joint; (for biceps) to flex the arm at the shoulder and elbow joints and to supinate the forearm; (for brachialis) to flex the arm at the elbow?
This muscle extends the proximal phalanx of the thumb. (300)
Name the muscle layer of this particular muscle (100)
What is the extensor pollicis longus?
What is the deep layer of the posterior muscles of the forearm?
These nerves innervate the elbow joint. (300)
Name the spinal cord segments for the nerves that continue on to innervate the anterior compartment.
What are the radial, median, musculocutaneous, and ulnar nerves?
What are C5-T1 for the median nerve and C8 and T1 for the ulnar nerve?
This artery travels in the medial neurovascular bundle. (100pts)
Bonus (300pts): The other vessels (quantity included) that accompanies this artery.
Bonus: What are the 2 brachial veins and the 1 basilic vein?
Two muscles of the Posterior Forearm: Superficial Layer-Lateral group have the same proximal attachment but one does not. Name the muscle that does not and its proximal attachment. (400 for all parts; 250 for first half)
What is the Extensor Carpi Radialis Brevis?
What is the lateral epicondyle of the humerus (via common extensor tendon)?
These are the proximal attachments for the following muscles: Brachioradialis (100pts), Flexor Carpi Radialis (100pts), Biceps Brachii (200pts), and Pronator Teres (100pts)
The functions of the Extensor Carpi Ulnaris Muscle.
What are: extension of the hand and adduction of the hand (ulnar deviation)?
The other non-terminal branch from the medial cord.
What are the medial antebrachial cutaneous nerve and the medial brachial cutaneous nerve?
What is the medial pectoral nerve?
Describe in detail how the pectoralis minor is a landmark muscle for the axillary artery. (names of branches included)
What is: the first part of the axillary artery is medial to the pec. minor; the second part is deep to pec. minor and the third part is lateral to pec. minor? The branch of the 1st part is the superior thoracic artery, the branches of the 2nd part: thoracoacromial and lateral thoracic artery, 3rd part: ACH, PCH and subscapular arteries?
PREP QUESTION: Name the contents of the carpal tunnel.
What are the 4 Flexor Digitorum Superficialis tendons, the 4 Flexor Digitorum Profundis tendons, the median nerve and the Flexor Pollicis Longus tendon.