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155 terms

Shoulder and Arm Muscles, Vessels and Nerve

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Anterior surface of medial half of clavicle; Anterior surface of sternum, superior 6 costal cartilages, aponeurosis of external oblique
Pectoralis Major Origin
Lateral lip of intertubercular groove
Pectoralis Major Insertion
Lateral pectoral nerve; Medial pectoral nerve, C5-T1
Pectoralis Major Innervation
Shoulder adduction, flexion, medial rotation; Scapular protraction
Pectoralis Major Action
3-5 ribs
Pectoralis Minor Origin
Medial border and superior surface of coracoid process
Pectoralis Minor Insertion
Medial pectoral nerve, C8-T1
Pectoralis Minor Innervation
Scapular protraction, stabilization
Pectoralis Minor Action
Superior surface of 1st rib at junction of rib and costocartilage
Subclavius Origin
Inferior surface of middle third of clavicle
Subclavius Insertion
Nerve to subclavius, C5-6
Subclavius Innervation
Clavicular depression
Subclavius Action
External surface of lateral part of ribs 1-8
Serratus Anterior Origin
Anterior surface of medial border of scapula
Serratus Anterior Insertion
Long thoracic nerve, C5-7
Serratus Anterior Innervation
Scapular protraction, stabilization
Serratus Anterior Action
Medial third of superior nuchal line, external occipital protuberance, nuchal ligament, C7-T12 spinous processes
Trapezius Origin
Lateral third of clavicle, acromion, spine of scapula
Trapezius Insertion
Motor from spinal accessory nerve, CN XI; Sensation from cervical nerves C3-4
Trapezius Innervation
Scapular elevation, retraction, depression
Trapezius Action
Spinous processes of T7-12 vertebrae, thoracolumbar fascia, iliac crest, inferior 3-4 ribs
Latissimus Dorsi Origin
Floor of intertubercular groove
Latissimus Dorsi Insertion
Thoracodorsal nerve, C6-8
Latissimus Dorsi Innervation
Shoulder extension, medial rotation, adduction
Latissimus Dorsi Action
C1-4 transverse processes
Levator Scapulae Origin
Superior part of medial border of scapula
Levator Scapulae Insertion
Dorsal scapular nerve, C5; Cervical nerves, C3-4
Levator Scapulae Innervation
Scapular elevation
Levator Scapulae Action
Nuchal ligament and C7-T1 spinous processes
Rhomboid Minor Origin
Medial border of scapula superior to spine
Rhomboid Minor Insertion
Dorsal scapular nerve, C4-5
Rhomboid Minor Innervation
Scapular retraction, stabilization
Rhomboid Minor Action
T2-5 spinous processes
Rhomboid Major Origin
Medial border of scapula inferior to spine
Rhomboid Major Insertion
Dorsal scapular nerve, C4-5
Rhomboid Major Innervation
Scapular retraction, stabilization
Rhomboid Major Action
Lateral third of clavicle, acromion, spine of scapula
Deltoid Origin
Deltoid tuberosity
Deltoid Insertion
Axillary nerve, C5-6
Deltoid Innervation
Shoulder flexion, medial rotation; Shoulder abduction; Shoulder extension, lateral rotation
Deltoid Action
Supraspinous fossa
Supraspinatus Origin
Superior facet of greater tubercle
Supraspinatus Insertion
Suprascapular nerve, C4-6
Supraspinatus Innervation
Initiation of shoulder abduction
Supraspinatus Action
Infraspinous fossa
Infraspinatus Origin
Middle facet of greater tubercle
Infraspinatus Insertion
Suprascapular nerve, C5-6
Infraspinatus Innervation
Shoulder lateral rotation
Infraspinatus Action
Superior part of lateral border of scapula
Teres Minor Origin
Inferior facet of greater tubercle
Teres Minor Insertion
Axillary Nerve, C5-6
Teres Minor Innervation
Shoulder lateral rotation
Teres Minor Action
Posterior surface of inferior angle of scapula
Teres Major Origin
Medial lip of intertubercular groove
Teres Major Insertion
Lower subscapular nerve, C6-7
Teres Major Innervation
Shoulder adduction, medial rotation
Teres Major Action
Subscapular fossa
Subscapularis Origin
Lesser tubercle
Subscapularis Insertion
Upper and lower subscapular nerves, C5-7
Subscapularis Innervation
Shoulder medial rotation, adduction
Subscapularis Action
Subclavian artery
Internal Thoracic Artery Origin
Subclavian artery
Thyrocervical Trunk Origin
Thyrocervical trunk
Suprascapular Artery Origin
Axillary artery
Superior Thoracic Artery Origin
Axillary artery
Thoracoacromial Artery Origin
Axillary artery
Lateral Thoracic Artery Origin
Axillary artery
Subscapular Artery Origin
Subscapular artery
Circumflex Scapular Artery Origin
Subscapular artery
Thoracodorsal Artery Origin
Axillary artery
Anterior Humeral Circumflex Artery Origin
Axillary artery
Posterior Humeral Circumflex Artery Origin
Brachial artery
Deep Brachial Artery Origin
Axillary artery
Brachial Artery Origin
Subclavian artery
Axillary Artery Origin
Brachial artery
Superior Ulnar Collateral Artery Origin
Brachial artery
Inferior Ulnar Collateral Artery Origin
Basilic vein, via median cubital vein; Axillary vein
Cephalic Vein Drainage
Basilic Vein
Median Cubital Vein Drainage
Brachial vein
Basilic Vein Drainage
Basilic Vein
Medial Antebrachial Vein Drainage
Lateral dorsal venous network
Cephalic Vein Origin
Medial dorsal venous network
Basilic Vein Origin
Skin on clavicle and superolateral shoulder
Supraclavicular Nerve Cutaneous Distribution
Skin on posterior arm
Posterior Brachial Cutaneous Nerve Distribution
Skin on posterior forearm
Posterior Antebrachial Cutaneous Nerve Distribution
C3-4
Supraclavicular Nerve Origin
Radial nerve
Posterior Brachial Cutaneous Nerve Origin
Radial nerve
Posterior Antebrachial Cutaneous Nerve Origin
Skin on middle part of lateral arm
Superior Lateral Brachial Cutaneous Nerve Distribution
Axillary nerve
Superior Lateral Brachial Cutaneous Nerve Origin
Skin on inferolateral arm
Inferior Lateral Brachial Cutaneous Nerve Distribution
Radial nerve
Inferior Lateral Brachial Cutaneous Nerve Origin
Skin on lateral forearm
Lateral Antebrachial Cutaneous Nerve Distribution
Musculocutaneous nerve
Lateral Antebrachial Cutaneous Nerve Origin
Skin on medial arm
Medial Brachial Cutaneous Nerve Distribution
Medial cord, C8-T1
Medial Brachial Cutaneous Nerve Origin
Skin on anterior, medial forearm
Medial Antebrachial Cutaneous Nerve Distribution
Medial cord, C8-T1
Medial Antebrachial Cutaneous Nerve Origin
Lateral cutaneous branch of 2nd intercostal nerve
Intercostobrachial Nerve Origin
Skin on medial arm
Intercostobrachial Nerve Cutaneous Distribution
C5 (C4)
Dorsal Scapular Nerve Origin
C5-7
Long Thoracic Nerve Origin
C5-6 (C4)
Nerve to Subclavius Origin
C5-6 (C4)
Suprascapular Nerve Origin
Lateral cord, C5-7
Lateral Pectoral Nerve Origin
Lateral cord, C5-7
Musculocutaneous Nerve Origin
Lateral and medial cords, C6-T1
Median Nerve Origin
Medial cord, C8-T1
Medial Pectoral Nerve Origin
Medial cord, C8-T1 (C7)
Ulnar Nerve Origin
Posterior cord, C5-6
Upper Subscapular Nerve Origin
Posterior cord, C6-8
Thoracodorsal Nerve Origin
Posterior cord, C5-6
Lower Subscapular Nerve Origin
Posterior cord, C5-6
Axillary Nerve Origin
Posterior cord, C5-T1
Radial Nerve Origin
Coracoid process; Supraglenoid tubercle
Biceps Brachii Origin
Radial tuberosity, antebrachial fascia
Biceps Brachii Insertion
Musculocutaneous nerve, C5-6
Biceps Brachii Innervation
Elbow flexion, shoulder flexion, forearm supination
Biceps Brachii Action
Distal half of anterior surface of humerus
Brachialis Origin
Coronoid process, ulnar tuberosity
Brachialis Insertion
Musculocutaneous nerve, C5-6
Brachialis Innervation
Elbow flexion
Brachialis Action
Coracoid process
Coracobrachialis Origin
Middle third of medial surface of humerus
Coracobrachialis Insertion
Musculocutaneous nerve, C5-7
Coracobrachialis Innervation
Shoulder flexion, adduction
Coracobrachialis Action
Infraglenoid tubercle; Posterior surface of humerus, superior to radial groove; Posterior surface of humerus, inferior to radial groove
Triceps Brachii Origin
Olecranon process, antebrachial fascia
Triceps Brachii Insertion
Radial nerve, C6-8
Triceps Brachii Innervation
Elbow extension, shoulder extension
Triceps Brachii Action
Lateral epicondyle
Anconeus Origin
Lateral olecranon, superoposterior ulna
Anconeus Insertion
Radial nerve, C7-T1
Anconeus Innervation
Elbow extension, stabilization; Abduction of ulna during pronation
Anconeus Action
Subclavian artery
Thyrocervical Trunk Origin
Supraglenoid tubercle; Coracoid process
Biceps Brachii Origin
Radial tuberosity, antebrachial fascia via bicipital aponeurosis
Biceps Brachii Insertion
Musculocutaneous Nerve, C5-6
Biceps Brachii Innervation
Elbow flexion, forearm supination, shoulder flexion
Biceps Brachii Action
Distal half of anterior surface of humerus
Brachialis Origin
Ulnar tuberosity, coronoid process
Brachialis Insertion
Musculocutaneous Nerve, C5-6
Brachialis Innervation
Elbow flexion
Brachialis Action
Coracoid process
Coracobrachialis Origin
Middle third of medial surface of humerus
Coracobrachialis Insertion
Musculocutaneous Nerve, C5-7
Coracobrachialis Innervation
Shoulder flexion, adduction
Coracobrachialis Action
Infraglenoid tubercle; Posterior humerus superior to radial groove; Posterior humerus inferior to radial groove
Triceps Brachii Origin
Olecranon process, antebrachial fascia
Triceps Brachii Insertion
Radial nerve, C6-8
Triceps Brachii Innervation
Elbow extension, shoulder extension
Triceps Brachii Action
Lateral epicondyle of humerus
Anconeus Origin
Lateral surface of olecranon and superoposterior ulna
Anconeus Insertion
Radial nerve, C7-T1
Anconeus Innervation
Elbow extension, stabilization; Abduction of the ulna
Anconeus Action