2743799
Descrição
FlashCards por Christopher Schneider, atualizado more than 1 year ago
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Criado por Christopher Schneider
mais de 9 anos atrás
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| Questão | Responda |
| Origin of Serratus anterior | lateral parts of ribs 1-8 |
| insertion of serratus anterior | anterior surface of medial border of scapula |
| innervation of serratus anterior | long thoracic nerve |
| Actions of serratus anterior | protracts scapula holds scapula against the thoracic wall superior rotation of the scapula |
| the 6 Scapulohumeral muscles | Deltoid Supraspinatus Infraspinatus Teres Minor Teres Major Subscapularis |
| The 5 scapulothoracic muscles | Trapezius levator scapulae rhomboid major rhomboid minor pectoralis minor |
| The 4 rotator cuff muscles | Supraspinatus infraspinatus Teres minor Subscapularis |
| Origin of supraspinatus | supraspinous fossa |
| insertion of supraspinatus | greater tubercle |
| Innervation of supraspinatus | Suprascapular nerve |
| Actions of Supraspinatus | ABDUCTS the arm for the first 15 degrees TONIC CONTRACTION stabilizes the glenohumeral joint |
| Origin of the Deltoid | Lateral third of clavicle acromion process spine of scapula |
| Insertion of the Deltoid | Deltoid tuberosity |
| Innervation of deltoid | axillary nerve |
| actions of the deltoid | Simultaneous: ABDUCT the humerus at the glenohumeral joint after the first 15 degrees, STABILIZES the shoulder Anterior: FLEXION and medial ROTATION of the humerous at the GH joint Posterior: EXTENSION and lateral ROTATION of the humerus at the GH joint |
| Origin of Teres Major | Inferior angle of scapula (posterior surface) |
| Insertion of Teres major | Medial lip of the intertubercular sulcus |
| Innervation of Teres Major | Lower subscapular nerve |
| Actions of teres major | ADDUCTS and medially ROTATES the humerus at the glenohumeral joint |
| Origin of infraspinatus | Infraspinous fossa |
| Insertion of infraspinatus | greater tubercle of humerus |
| Innervation of infraspinatus | suprascapular nerve |
| Actions of infraspinatus | TONIC CONTRACTION stabilizes the glenohumeral joint laterally ROTATES arm |
| Origin of Teres minor | Middle part of lateral border of scapula |
| Insertion of teres minor | greater tubercle of humerus |
| innervation of teres minor | axillary nerve |
| ACTIONS of teres minor | TONIC CONTRACTION stabilizes the glenohumeral joint laterally ROTATES arm |
| Origin of Subscapularis | subscapular fossa |
| Insertion of subscapularis | Lesser tubercle of humerus |
| Innervation of subscapularis | Upper and lower subscapular nerves |
| Actions of subscapularis | TONIC CONTRACTION stabilizes the glenohumeral joint medially ROTATES arm |
| What goes above (superficial to) the superior transverse scapular ligament and what goes below (deep)? | Above: Suprascapular artery Below: Suprascapular nerve |
| What is the space outlined in green called and what can be found in that space? | triangular space; circumflex scapular artery |
| What is the outlined space called and what can be found there? | Triangular interval; deep artery of the arm and Radial nerve |
| What is the outline space called and what can be found there? | quadrangular space; axillary nerve and posterior circumflex humeral artery |
| What is a cause of axillary nerve injury? | compression due to an anteroinferior shoulder dislocation |
| What are symptoms of axillary nerve injury? | Inability to abduct arm to or above horizontal (deltoid compromised) and sensory loss on superolateral aspect of the arm |
| Name of the plane-type synovial joint that connects the clavicle and the scapula | acromioclavicular joint |
| What is the name of the saddle-type synovial joint that connects the scapula to the thorax? | Sternoclavicular joint |
| What is scapulohumeral rhythm? | The coordinated movement of the glenohumeral and scapulothoracic joint to fully elevate the arm |
| A patient experiences pain when abducting their arm between 50 and 130 degrees. What is the most likely cause? | inflammation and calcification of the subacromial bursa (Shoulder impingement syndrome) |
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