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50 Cards in this Set
- Front
- Back
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Pectoralis Minor
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Origin: Ribs 3-5
Inseration: Coracoid process of the scapula Action: Depresses and moves the scapula anteriorly. Elevates ribs 3-5 Nerve Supply - Media and Lateral Pectoral Nerves Arterial supply - axillary supply |
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Pec Minor shares its nerves supply with what else?
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Pec Major
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Serratus Anterior
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Origin: Ribs 1-9
Insertion: Vertebral border and inferior angle of scapula Action: ROtates scapula upwards and laterally, so glenoid fossa faces up Nerve Supply - Long Thoracic Nerve Arterial Supply - Axillary artery branches |
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Trapezius
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Origin: Occipital Bone; Ligamentum Nuchae, and cpines of C7-T12.
Insertion: Clavicle, acromion, and spine of scapula. Action: EC DE ARU (Elevates clavicle; adducts, elevates, and d epresses scapula, rotates scapula upward) Nerve Supply: Cranial Supply Arterial Supply: External Cartoid and subclavian ranches |
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What is the insertion of Trapezius and what other muscle shares those spots as an origin
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Clavicle, Acromion, and spine of scapula.
Delatoid |
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What 5 muscles have Subclavian artery branches exclusively as their artery supply
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Levator Scapulae, Rhomboid Major, Rhomboid Minor Supraspinatus, Infraspinatus
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Levator Scapula
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Origin: C1-C4 or C5
Insertion: Superior Vertebral border of scapula Action: Elevates scapula Nerve SUpply: Dorsal Scapular Nerve and cervical nerves 3-5 Artery Supply - Subclavian |
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Rhomboid Major
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Origin: Spinous process of T2 - T5.
Insertion: Medial border of scapula Action: Adducts scapula and slightly rotates it downward Nerve SUpply: Dorsal scapular nerve Arterial Supply: Subclavian artery branches |
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Rhomboid Minor
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Origin: Spinous process of C7 - T1.
Insertion: Medial border of scapula Action: Adducts scapula and slightly rotates it downward Nerve SUpply: Dorsal scapular nerve Arterial Supply: Subclavian artery branches |
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What do Rhomboid Major and Minor have in common?
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Everything except origin
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When I say 145, 25, 71, what do i Mean?
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145 - C1-C4 or C5 - Levator Scapula origin
21 - T2-T5 - Origin of Rhomboid Major 71 - C7-T1 - Origin of Rhomboid minor |
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What are the 6 muscles that move the pectoral girdle
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Pec Minor, Serratus Anterior, Trapezius, Levator Scapulae, Rhomboid Major, Rhomboid Minor
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Pectoralis Major
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Origin: Clavicle, Sternum, and costal cartilage of ribs 2-6
Insertion: INtertubuclar groove of the humerus Action: FARM (flexes, adducts, and rotates arm medially) Nerve Supply: Medial and Lateral Pectoral Nerves Arterial Supply - Axillary Branches |
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Deltoid
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Origin: Lateral Clavicle, acromion, and spine of scapula (same as the insertion of trapezius)
Insertion: Deltoid Tuberosity of the Humerus Action: FLAMER (Flexes, Laterally, Medially, ABDUCTS, Extends, Rotates) Nerve Supply: Axillary Nerve Arterial Supply - Axillary and Brachial Branches |
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What muscles uses both Axillary and Brachial Branches?
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Deltoid and Biceps Brachaii
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What is your handcuff muscle?
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Ltissimus Dorsi
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Latissimus Dorsi
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Origin - LISTR (Lumbar vertebrae, Sacrum, and Ilium via Thoracolumbar fascia, and lower four ribs) plus spines of t7-t12.
Insertion: Intertubecurlar Groove of the humerus Action: Extends, adducts, and rotates arm medially (Handcuffs) Nerve SUpply -Thoracodorsal nerve Arterial Supply - Axillary Branches |
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What muscles use Axillary branches as their arterial supply `
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Pec Minr, Pec Major, Deltoid (along with brachial branches), Teres Major and Minor,Biceps brachii (along with brachial branches, Serratus Anterior
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Supraspinatus
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Origin: Supraspinous fossa
Insertion: great tuburcle of the humerus Action: assists deltoid in abducting arm Nerve Supply: Suprascapular nerve Artery: Subclavian Arteries |
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Infraspinatus
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Origin: Infraspinous fossa of the scapula
Insertion: Greater tuburcle of the humerus Action: Adducts and rotates arm laterally Nerve supply: Suprascapular nerve Arterial Supply - Subclavian branches |
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What muscles are synergist with the Deltoid
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Supraspinatus
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What three muscles have suprascapular nerve as their nerve supply
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Supraspinatus, Infraspinatus, Teres major (LOWER SUBSCAPULAR NERVE)
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What two muscles have axillary nerve as their nerve supply?
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Deltoid, Teres Minor
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Teres Major
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Origin: Inferior angle of the scapula
Insertion: Intertubercular groove of the humerus Action: Adducts, extends, and rotates arm medially, Nerve Supply: Lower subscapular nerve Artery: Axillary Branches |
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Teres Minor
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Origin: Inferior lateral border of the scapula
Insertion: Greater Tubercles of the humerus Action: Extends, adducts, and rotates arm laterally. Nerve Supply: Axillary Nerve Arterial Supply: Axillary Branches |
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What 3 muscles inserts at the intertubercular groove of the humerus
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Pec Major, Latissimus Dorsi, Teres Major
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Biceps Brachaii
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Origin: Coracoid Process and supraglenoid tubercle
Insertion: Radial Tuberosity Action: Flexes Arm; Flexes and supinates forearm Nerve SUpply: musclocutaneous Nerve Arterial Supply- Axillary and Brachial Branches |
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Brachialis
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Origin: Distal Anterior surface of humerus
Insertion: Tuberosity and coronoid process of ulna Action: Flexes forearm at the elbow Nerve supply: Musculocutaneous and radial nerves Arterial Supply: Brachial Branches |
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Brachioradalis
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Origin: Distal end of humerus
Insertion: SUperior to styloid process of ulna Action: Flexes forearm at the elbow Nerve Supply: radial Nerve Arterial Supply Brachial Branches |
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What 4 muscles have brachial branches as their arterial supply
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Biceps Brachii (along with axillary)
Brachialis, Brachioradialis, Triceps Brachii |
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Triceps Brachii
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Origin -Infraglenoid tubercle; posterior and lateral humerus
Insertion: olecranon Process of Ulna Action: Extends arm; etends forearm at the elbow Nerve Supply: Radial nerve Arterial Supply: Brachial Branches |
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What three muscles have radial nerves as their nerve supply
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Brachialis (along with Musclulotcutaneous), Brachioradialis, Triceps Brachii
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What two mucles have musculotcutaneous nerve as their nerve supply?
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Biceps Brachii and Brachialis (Musculocutaneous and radial nerves)
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Name the four distinction that move the wrist/hand/fingers
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Anterior Forearm, Posterior Forearm, Thenar Muscles, Hypothenar Muscles
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What is the flexor retinaculum
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tendon that runs around the "thumb" carpals
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Erector Spinae
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Origin: Sacrum, ilium, vertebrae, and rbis
Insertion: Vertebrae and ribs Action: Extends vertebral column and maintains posture Nerve supply: Dorsal rami of Spinal Nerves (DASN) Arterial supply - (SPECIAL) Branches of descending abdominal aorta |
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Splenius Capitis
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Victory muscle
Origin: Spinous processes and ligaments of lower cervical and upper thoracic vertebrae Insertion: Mastoid process of the temporal bone and transverse processes of upper cervical vertebrae Action: Etends and rotates the neck Nerve: Dorsal Rami of cervical spinal nerves Arterial Supply: External carotid and subclavian branches |
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What's the most special thing about Erector Spinae
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It's arterial supply: Branches of descending abdominal aorta
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What are the only actions of brachialis and Brachioradialis
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Flexes forearm at the elbow
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If the actions of the forearm muscles are to flexes the forearm at the elbow, then the triceps would logically...
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Extend arm and extends forearm at the elbow
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What muscles inserts at the medial border of the scapula?
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Rhomboid major, Rhomboid Minor
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What do Teres major and Teres minor have in difference?
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Teres Major - lower subscapular nerve, rotates arm medially
Intertubercular groove of the humerus Teres major - Rotates Arms Laterally, Axillary Nerve Greater Tubercle of the humerus |
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The Brachialis originates at...whereas Brachioradialis originates at...
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Distal ANTERIOR surface of the humerus; Distal end of the Humerus
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what does the serratus anterior do
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rotates scapula upward and laterally so that the glenoid cavity facing up
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What is so special about serratus anterior?
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Long Thoracic Nerves and Axillary Artery Branches
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What muscles use both external carotid and subclavian?
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Trapezius, Splenius Capitis
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Erector spinae uses...as their nerve supply where as Splenius capitis uses....as their nerve supply
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Dorsal Rami of SPINAL nerves versus Dorsal Rami of the Cervical spinal nerves
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Subclavian supplies...
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Rhomboid Major Minor Levatr Scaulae Supraspinatus Infraspinatus
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Thenar uses __ as artery supply whereas Hypothenar uses....
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Radial artery, ulnar artery
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All the muscles in the arm that medial reotates
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pec major, latissimus dorsi, teres major, deltoid, supraspinatus
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