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59 Cards in this Set
- Front
- Back
Dermatomes of the body provide innervation to specific areas. Does the C5, C6, C7, C8 go?
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C5=shoulder (clavicle)
C6=Thumb C7=Middle Finger C8=Little Finger |
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The T4, T10, L1, L5, S1 and S2,3 innervate which structures?
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T4=nipple
T10=Umbilicus L1= groins L5=Medial foot S1= lateral foot S2,3=Anal area |
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The myotomes of the body innervate muscles. C5, C6, C7, C8 and T1 innervate which muscle?
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c5=upper abduction of shoulder
c6=Flexion of arm and forearm c7=extension of forearm C8, T1= muscles of hand |
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What do these nerves do in to the muscles L2, L3,4 S1, L5, S1,2
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L2=flex thigh
L3,4- extend leg S1=flex leg L5-dorsiflex foot S1,2 plantar flexs foot |
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Long head of the biceps brachi
Origin? Insertion? Main action Nerve suply? |
Supraglenoid Tubercle of scapula
Tuberosity of radius and fasica of the forearm via biciptal aponeurosis Musculocutaneous, flexes and supinates forearm |
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Short Head of the biceps brachi
Origin? Insertion? Main action Nerve suply? |
Tip of the corecoid process of scapula
Tuberosity of radius and fascia of forearm via bicipital aponneurosis musculocutaneous. Flexes arm and supinates forearm |
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Coracobrachialis
Origin? Insertion? Main action Nerve suply? |
Tip of coracoid process of scapula
Middle third of medial surface of humerous musculocutaneous nerve Flexes arm |
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Brachialis
Origin? Insertion? Main action Nerve suply? |
Distal half of anterior surface of humerous
Coronoid process and tuberosity of ulna Musculocutaneous Nerve Flexes forearm |
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Long head of tricep brachili
Origin? Insertion? Main action Nerve suply? |
Infraglenoid tubercle of scapula
Olecranon process of the ulna Radial nerve extends the forearm, extends and adducts the arm |
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Lateral Head of the tricep brachili
Origin? Insertion? Main action Nerve suply? |
Posterior surface of the humerus, superior to radial groove
Olecranon process Radial nerve Flexes forearm, flexes and adducts arm |
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Medial Head of the tricep brachili
Origin? Insertion? Main action Nerve suply? |
Posterior surface of the humerous, inferior to radial groove
Olecranon process of ulna Radial nerve, Flexes forearm, flexes and adducts arm |
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What lies in the intertubercular sulcus on the anterior portion of the humerous?? (It is between the greater and lesser tubercle_
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Long head of biceps lies in this groove
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What does the capitulum articulate with? Trochlea articulates with?
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Head of the radius and then the trochlear notch of the ulna.
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With flexion the coronoid process resides where and where does the head of the radius go?
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Coronoid fossa and the radial fossa.
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The radial groove is located where and what accompanies the radial nerve?
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On the posterior surface fo the humerous, deep brachial vessels
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What is the quadrangular space??
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The space formed between teres minor, teres major, long head of the tricpes and medial surface of the humerous. Transmits the posterior cirumflex humeral artery and axillary nerve
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Triangular interal is formed by? and is the location of what?
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Formed by teres major and lateral and long head of the triceps. The radial nerve and deep brachial artery follow the radial sulcus down.
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The tendon of origin for the long head of the bicep does what?
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Travels to and runs over the head of the humerous and ends at the surgical neck of the humerous. IT is held in place by the intertubercular grove.
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How is the tendon of the long head of the bicep held in place particularily in the intertubicular groove?
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By the transverse humeral ligament and prolongation of the tendon of pec. major
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Biciptal aponeurosis does what?
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Protects the brachial artery. And suppors median cubital vein
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What forms the cubital fossa?
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Lateral border=brachioradialis muscle
Medial border= pronator teres muscle Biciptal aponeurosis fors the roofa and floor is formed by brachialis and supinator muscle |
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Brachial Fascia is continous with???
And attaches to what? |
The axillary, pectoral and deltoid fasciae.
Attaches to humerous and ulna and is continous with antebrachial fascia |
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Intermuscular septa do what?
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Seperate posterior and anterior muscles
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Brachial artery is a continuation of what? and terminates as what? also name the branches?
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Axillary artery. Terminates as radial and ulnar arteries. Has 3 branches deep brachial, superior and inferior collateral ulnar arteries
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The deep brachial artery does?
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Enters the radial groove on the back of the humerous and terminates as radial and middle collateral arteries. Follows radial nerve
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Superior ulnar collateral artery runs with? The inferior ulnar collateral artery runs where?
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Ulnar nerve behind the medial intermuscular septum. The back of the elbow.
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Median nerve has how many branches in the arm? and is located where in relation to the brachial artery?
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Has no branches in the arm, first is located lateral and then medial to the brachial artery
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Musculocutaneous nerve pierces which muscle and branches into which muscles/? Continues as what?
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first pierces the coracobrachialis muscle and then sends branches to the biceps and brachialis muscles. continues as the the lateral antebrachial cutaneous nerve
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Lateral antebrachial cutaneous nerve is a branch of what nerve?
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musculocutaneous nerve
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Radial Nerve pass through which groove with which artery?? It then pierces which septum and dividides into what branches??
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Goes down the radial groove with the deep brachial artery. It then pierces the lateral intermuscluar septum and branches into superficial and deep branches
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The radial nerve branches to?
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The triceps and the skin
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Ulnar nerve is located where in relation to the axillary and brachial arteries until it pierces which septum? to enter the posterior compartment and run with this artery in a groove behind the medial epicondyle of the humerous?
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Is located medial to the axillary and brachialis arteries until it pierces the medial intermuscular septum. It then runs with the superior ulnar collateral artery.
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Superficial structures of the cubital fossa are?
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The cephalic vein-laterla edge
Median cubital vein- from cephalic vein below elbow Basillic vein-medial edge of phosa, medial and lateral antebrachial cutaneous nerves |
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The deep structures of the cubotial fossa that run medial to lateral
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Median nerve, brachial artery, biceps tendon, radial nerve (lies beneath brachioradialis)
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What is the bicipital aponeurosis?
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A expansion and thickening of thickening of the brachial fascia extending into the medial side of the proximal forearm
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What attaches to the radial tuberosisty?
what attaches to the coronoid process of the ulna and the ulnar tuberosity? |
Biceps brachia tendon
Brachialis muscle |
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Sternoclavicular joint is
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The only bony attachment of the upper limb to trunk or axial skeleton has alot of range of motion. Very stable joint that has an articulation between sternal end of clavicale and articular disc, and disc to manubrium of sternum. Held in place by the costoclavicular ligament
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Costoclavicular ligament
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Ligament that tightly holds clavicle to the 1st rib. The joint of the sternoclavicular joint is very flexible
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Acromicoclavicular joint has important ligaments?
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Articular capsule, superior and inferior acromioclaviclar ligaments and the coracoclavicular ligament (accessory)
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Glenohumeral Joint has lax capsular ligaments that allow what??
The joint is reinforced anteriorly by the tendon of the what and superiroly by what tendon and posteriorly by what tendon? |
The ligaments allow extensive motion. Anteriorly is the subscapularis, posteriorly is the teres minor and serratus anterior and superiorly by the supraspinatious tendonThe
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The clavicle plays a big role in doing what for the scapula?
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Keeping the scapula in the normal lateral position.
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Subacromial and subdeltoid bursa is located below the what?
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Deltoid muscle and the acromion and coracoacromial ligament
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Capsules of the glenohumeral joint??
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Are loose, if muscles holding humerous are cut the capsule will fall 1/2 inch
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Synovial membrane of the glenohumeral joint encloses?
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tendon of the long head of biceps in a tubular sheath between tubercles of humerus
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Ligaments and accesory structures of Glenohumeral joint
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Glenohumeral ligaments,
coracohumeral ligament, transverse humeral ligament, coracromial ligament, glenoid labrum, subacromial bursa |
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Location of the subacromial bursa?
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interposed between the supraspinatous tendon and acromion
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Glenoid labrum is what?
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a lip of cartialage that slighly deepens the fossa
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coracoacroial ligament goes from where to where?
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from coracoid process to acromion process of scapua, not strictly a ligament of the shoulder joint but it serves as resistance to force upward pressure on humerous
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Transverse humeral ligament goes from where to where and holds what?
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The greater to lesser tubercle, holds the tendon of the long head of the bicep.
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Erb-Duchenne Palsy is what?
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C5-C6 injuries that result in paralysis of deltoid, biceps brachi, brachialis, brachioradialis and infra/supraspinous.
Inability to medially rotate shoulder, pronation at forearm and abduct arm from side |
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Klumpke's palsy is what?
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Klumpke's Palsy C8-T1 cause problems with Ulnar nerve
Weakness in forearm flexors, fingers and thumb. |
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Erb-Duchenne Palsy is what?
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C5-C6 injuries that result in paralysis of deltoid, biceps brachi, brachialis, brachioradialis and infra/supraspinous.
Inability to medially rotate shoulder, pronation at forearm and abduct arm from side |
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Klumpke's palsy is what?
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Klumpke's Palsy C8-T1 cause problems with Ulnar nerve
Weakness in forearm flexors, fingers and thumb. |
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Intertubercular sulcus lies in between the greater and lesser tubercle and the long head of bicep lies there, Capitum articulates with the radius, while trochlea articulates with the trochlear notch of the ulna.
Radial fossa=radius, coronoid fossa= coronoid process of ulna. Medial epicondyle-origin of flexor muscles of forearm |
Radial groove is where the deep brachial vessel and radial nerve travel down. Olecranon fossa is the place where olecranon process of the ulna goes
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Long Head goes to infraglenoid tubercle
Lateral head to posterior surface of the humerous lateral to radial groove |
Radial and deep brachial travel down the arm thru radial groove.
Medial head is medial to radial groove |
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Long head of bicep originates to supraglenoid tubercle while the short head originates to the corocoid process.
Biceps form a tendon that inserts at the radial. Biceps are innervated by the musculocutaneous nerve |
The coracobrachialis muscle attaches superiorly to the coracoid process and inferiorly on the humerus at its midpoint on the medial side. The musculocutaneous nerve innervates the muscle and usually passes through the muscle before coming to lie between the biceps and brachialis muscles that it also innervates. The lateral cutaneous nerve of the forearm is a continuation of the musculocutaneous nerve
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The brachial artery begins at the lateral border of the teres major muscle and is a continuation of the axillary artery. Has three major branches the deep brachial artery, which runs along the radial groove, the superior ulnar collateral artery which follows the ulnar nerve to medial epicondyle.
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Third is the infererior ulnar collateral artery. Brachial artery accompanies the median nerve in the arm
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Deep brachial artery goes with radial nerve
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Cubital fossa is the areae where the brachial artery divides into radial and ulnar arteries
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The glenohumeral joint has lax glenohumeral (capsular) ligaments that permit extensive movement of the joint. The joint is reinforced anteriorly by the tendon of the subscapularis, superiorly by the supraspinatus tendon, and posteriorly by the tendons of the infraspinatus and teres minor muscles. No muscle tendons are found inferiorly, and the head of the humerus usually dislocates inferiorly, and then is usually pulled anteriorly.
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