Term
| What is the function and enervation of the Pectoralis Major? |
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Definition
Function is the adduction and medial rotation of the arm
Enervated by the lateral and medial Pectoralis Nerve |
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Term
| What is the function and enervation of the Pectoralis Minor Nerve |
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Definition
Function: Depress scapula. However if Scapula is fixed then it elevates ribs makeing it a muscle that can help in respiration (inward)
Enervated by the Medial Pectoralis Nerve |
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Term
| What is the function and enervation of the Serratus Anterior? |
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Definition
Function: Protract the scapula and elevate the glenoid fossa.
Enervation: The long thoracic nerve |
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Term
| What is the glenoid fossa? |
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Definition
| Point of articulation for the humerus on the scapula |
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Term
| What is the function and enervation of the Deltoid Muscle? |
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Definition
Function: Abduction of the arm
Enervation: Axillary Nerve |
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Term
| What is the function and Enervation of the Latissimus Dorsi? |
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Definition
Function: extension of the arm
enervation: Thoracodorsal Nerve |
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Term
| What are the borders of the Deltopectoral Triangle? |
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Definition
| Deltoid muscle laterally, Pectoralis Major muscle inferiorely, and clavicle superiorely |
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Term
| What is contained within the Deltopectoral triangle? |
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Definition
| Cephalic Vein, Lateral Pectoral Nerve, Thoracromial artery, and Coracoid process of the scapula. |
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Term
| What is the Coracoid process? |
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Definition
| Hook-like projection on the anterior surface of the scapula. Hook points laterally and is the site of insertion for the Pectoralis Minor |
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Term
| What are the muscular boundaries of the axilla? |
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Definition
The muscular boundaries of the axilla are:
Anterior: Pectoralis Major
Posterior: Subscapularis
Medial: Serratus anterior
Lateral: Latissiumus Dorsi and Teres Major |
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Term
| What are the bony boundaries of the axilla? |
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Definition
Anterior: Clavicle
Posterior: Scapula
Medial: Ribs
Lateral: Humerus |
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Term
| What are the general contents of the axilla? |
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Definition
Brachial Plexus
Axillary Lymph Nodes
Axillary Vein and Artery |
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Term
| What lymphnodes drain the medial hand and forearm? |
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Definition
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Term
[image]
Identify the lymphnodes |
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Definition
1 Parasternal Lymphnodes
2 Pectoral (anterior) Axillary Lymphnodes
3 Subdiaphragmatic Lymphnodes |
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Term
| What lymphnodes drain the lateral forearm and arm? |
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Definition
| Infraclavicular (Deltopectoral) lymphnodes |
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Term
| Which lymphnodes drain the medial arm, the cubital nodes, and the deep upper extremity? |
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Definition
| Brachial (Lateral) Axillary nodes |
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Term
| Lateral drainage of the lymphnodes in the upper extremity follow which vein? |
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Definition
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Term
| Medial lymphatic drainage of the upper extremity follows which vein? |
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Definition
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Term
| Which nodes drain the mammary gland (mostly), anterior thoracic wall, and anterior abdominal wall above the umbilicus? |
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Definition
| Pectoral (anterior) lymphnodes |
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Term
| Which nodes drain deep and superficial back above the illiac crest? |
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Definition
| Subscapular (Posterior) lymphnodes |
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Term
[image]
Identify the lymphnodes |
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Definition
1 Deltopectoral (infraclavicular) Lymphnodes
2 Brachial (Lateral) Lymphnodes
3 Cubital Nodes |
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Term
[image]
Identify the arteries |
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Definition
1. Superior Thoracic
2. Thoracoacromial
3. Lateral Thoracic
4. Subscapular Artery
5. Supscapular Circumflex
6. Thoracodorsal
7. Anterior Humeral Circumflex
8. Posterior Humeral Circumflex
9. Subclavian Artery
10. Axillary Artery
11. Brachial Artery |
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Term
| What is the first branch coming off of the subclavian artery? |
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Definition
| Transverse Cervical Artery |
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Term
| What is the second branch coming off of the subclavian artery? |
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Definition
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Term
| Anterior divisions of the Brachial Plexus enervate what kind of muscles? |
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Definition
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Term
| Posterior Division of the Brachial Plexus enervate which muscles? |
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Definition
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Term
| The axillary nerve originates from which spinal nerves? |
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Definition
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Term
| The Musculocutaneous nerve comes from which cord? |
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Definition
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Term
| The Median nerve comes from which cords? |
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Definition
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Term
| The Ulnar Nerve comes from which cord? |
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Definition
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Term
| The lateral cord comes from which trunks? |
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Definition
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Term
| The posterior cord comes from which trunks? |
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Definition
| Upper, middle, and lower trunks |
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Term
| The Medial cord comes from which trunk? |
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Definition
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Term
| The Dorsal Scapular nerve originates from where? |
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Definition
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Term
| The Suprascapular Nerve originates from where? |
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Definition
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Term
| The lateral pectoralis nerve originates from where? |
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Definition
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Term
| The upper subscapular nerve originates from where? |
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Definition
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Term
| The thoracodorsal nerve originates from where? |
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Definition
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Term
| The Axillary and Radial nerves originate from which cord? |
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Definition
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Term
| The Lower Subscapular Nerve originates from where? |
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Definition
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Term
| The long thoracic nerve originates from where? |
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Definition
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Term
| Where does the Medial Pectoralis Nerve come from? |
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Definition
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Term
| Where does the Medial brachial cutaneous nerve originate from? |
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Definition
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Term
| Where does the Medial Antebrachial Cutaneous nerve originate from? |
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Definition
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Term
| What type of fibers do nerves that are purely cutaneous NOT contain? |
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Definition
| General Somatic Efferent fibers |
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Term
[image]
Identify the nerves associated with the Dermatomes |
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Definition
Orange: Supraclavicular Nerve
Grey: Axillary Nerve
Red: Radial Nerve
Brown: Medial Brachial Cutaneous Nerve
Purple: Medial Antebrachial Cutaneuous Nerve
Green: Lateral Brachial Cutaneous Nerve
Yellow: Median Nerve
Blue: Ulnar Nerve |
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Term
| Which nerve does the tip of the thumb, middle finger, and little finger test respectively? |
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Definition
Thumb: C6
Middle Finger: C7
Little Finger: C8 |
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Term
| The Brachial Plexus involves which cervical ganglion? |
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Definition
| Middle and Inferior ganglions only, not superior |
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Term
| What are the two causes of Thoracic Outlet Syndrome? |
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Definition
Damage to the scalene muscles (resulting in obstructive scar tissue)
If the cervical rib comes down and attaches to the first rib |
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Term
| What is Thoracic Outlet Syndrome? |
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Definition
Obstruction or Pathway issues resulting in compression of the subclavian artery or stress to the Brachial Plexus.
Clinically present with hand problems first (C8 and T1 tend to get compressed first).
Ask patient to lift arm, if shooting pains developes this is a sign of Thoracic Outlet syndrome |
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