Alpaca anónima-
The posterior compartment of the arms is also known as
Extensor compartment
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The anterior compartment of the arm is also known as
Flexor compartment
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Which are the muscles than conform the anterior compartment of the arms
Coracobrachialis
Biceps brachii
Brachialis
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The short head of the biceps muscle attaches to
Coracoid process of the scapula
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The long head of the biceps muscle attaches to
Supraglenoid process of the scapula
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The long head of the biceps muscle is held by
Transverse humeral ligament
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Biceps muscle converges on
Tuberosity of the radius
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Both heads of the biceps muscle blend with (...)
Bicipital aponeurosis
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Nerve that innervates the biceps muscle
Musclecutaneous
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Joint in which the biceps muscle helps to prevent dislocation and stabilize the shoulder point
Glenohumeral joint
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Function of the Glenohumeral joint of the biceps m.
Prevents dislocation and stabilize shoulder point
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Join og the biceps m. that flex the elbow like lifting up heavy objects
Humero-ulnar joint
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Function of the radioulnar joint of the biceps m.
Due to the orientation of the bicipital aponeurosis, helps the supinator muscle to supinate the forearm
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Coracobrachialis m. attaches to
Proximally: Coracoid process of the scapula
Distally: Middle third of the anteromedial surface of the humeral midshaft
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Function of the coracobrachialis m.
Flex and adduct glenohumeral joint
Stabilize shoulder joint by resisting downwards dislocation
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Coracobrachialis m. innervations
Musculocutaneous
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Brachialis m. attaches to
Distal half of anterior surface of humerus
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As the brachialis m. cruses the elbor joint is attached to
Inserción
Coronoid process and tuberosity of ulna
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Innervation of brachialis m.
Musculocutaneous & Radial nerves
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Function of brachialis m.
Flexes forearms at elbow joint
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Inervation of triceps brachii
Radial nerve
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Innervation of anconeus m.
Radial nerve
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Origen de la cabeza larga del triceps brachii
Tuberculo infraglenoide de la escápula
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Origen de la cabeza lateral del triceps brachii
Superior of the radial groove (surco radial)
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Origen de la cabeza medial del triceps brachii
Inferior of the radial grove (surco radial)
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Inserción del triceps brachii
Olecron and fascia of the forearm (posterior)
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Function of the triceps brachii
Extension of the forearms
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Specific function fo the long hea, helps to...
1.Stabilize shoulder joint
2.Prevent dislocation
3.Extend and adduct glenohumeral joint
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Origen del anconeus
Laeral epicondyle of the humerus
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Inserción del anconeus
Lateral surface of olecranon and the proximal ulna
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Función del anconeus
1.Extension of the forarm
2.Adds stability to elbow joint
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Origen del nervio musculocutaneo
C5, C6 C7
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After the musculocutaneous nerve emerges from the biceps changes it´s name to...
Lateral cutaneous nerve of the forearms
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Origen del nervio mediano
C7, C8, T1
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Origen del nervio ulnar
C8, T1
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Origen del nervio radial
C5-T1
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Main artery that supplies the arm
Brachial artery
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The axilary artery continues as the brachial artery after
Axilar a. passes the inferior border of the teres major muscle
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Brachial a. initially lies (...)
Medial to the humerus
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The median nerve crosses anterior / posterior the brachial a. in the mid-arm region
Anterior
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Biggest branch of the brachial artery
Profunda brachii artery / Deep artery
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Artery that courses posterolaterally to the humerus between the long head and lateral head of the triceps, travelling alon the radial groove
Profunda brachii artery
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The profunda brachii at the level of the elbow branches into ...
Middle colateral artery
Radial collateral artery
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Second branch of the brachial artery
Superior ulnar collateral artery
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The superior ulnar collateral artery is located
Posterior to the medial epicondyle of the humerus
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At the level of the medial epicondyle of the humerus the Superior ulnar collateral artery anastomisis with ...
1.Inferior ulnar collateral a.
2.Posterior ulnar recurrent a.
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Third branch of the brachial artery
Inferior ulnar collateral artery
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What is the origen of the Inferior ulnar collateral artery
Orginates in the medial arm immediately superior of the medial epicondyle
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The Inferior ulnar collateral artery anatamosed with
Anterior ulnar recurrent artery
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In the cubital fossa the brachial artery has 2 terminal branches
Ulnar and radial arteries
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The superficial veins of the forearm course through (...)
Subcutaneous tissue
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The deep veins of the forearms course through
Buried deep in muscles and accompany major arteries
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Superficial veins are
1.Cefhalic v.
2.Basilic v.
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After Cephalic veins ascends from anterior aspect of forearm courses through
Lateral between deltoid and pectoralis major muscles in the deltopectoral groove through deltopectoral triangle
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When the basilic vein gets in the middle of the distal thrid of the arm the vein (..)
Pierces (perfora) the brachial fascia; running superiorly prallel to brachial a.
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Deep veins
Brachial vein
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Superficial lymphatic vessels arises from ...
Cubital lymph nodes
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Location of Cubital lymph nodes
Proximal to the medial epicondyle and Medial to basilic vein
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A is
Profunda brachii
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B is
Superior ulnar collateral artery
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C is
Inferior ulnar collateral artery
