Term
| Superior Angle of the Scapula muscle attachments |
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Definition
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Term
| Inferior Angle of the Scapula muscle attachments |
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Definition
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Term
| Lateral Angle of the Scapula muscle attachments |
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Definition
| articulates with head of humerus |
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Term
| Medial Border of the Scapula muscle attachments |
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Definition
faces vertebral column
rhomboids and serratus anterior |
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Term
| Lateral Border of the Scapula muscle attachments |
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Definition
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Term
| Superior Border of the Scapula |
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Definition
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Term
| Spine of the Scapula muscle attachments |
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Definition
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Term
| Acromion muscle attachments |
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Definition
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Term
| Infraspinous fossa muscle attachments |
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Definition
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Term
| supraspinous fossa muscle attachments |
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Definition
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Term
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Definition
| suprascapular nerve passes through. biceps brachii, coracobrachialis and pectoralis minor |
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Term
| coracoid muscle attachments |
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Definition
| biceps brachii, coracobrachalis and pectoralis minor |
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Term
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Definition
| "socket" of ball and socket with head of humerus |
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Term
| infraglenoid tubercle muscle attachments |
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Definition
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Term
| supraglenoid tubercle muscle attachments |
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Definition
| long head of biceps brachii |
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Term
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Definition
| articulates with scapula's glenoid cavity |
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Term
| Anatomical Neck of the Humerus muscle attachments |
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Definition
| serves as attachment for articular capsule |
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Term
| Surgical Neck of the Humerus muscle attachments |
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Definition
| bone narrows, where the humerus usually breaks |
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Term
| Superior Facet of the greater tubercle, humerus muscle attachments |
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Definition
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Term
| middle facet of greater tubercle, humerus muscle attachments |
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Definition
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Term
| inferior facet of the greater tubercle muscle attachments |
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Definition
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Term
| Lesser tubercle, humerus muscle attachments |
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Definition
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Term
| intertubercular groove/bicipital groove muscle attachments |
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Definition
| passageway for tendon of long head of biceps brachii, pectoralis major, teres major, lattisimus dorsi |
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Term
| medial crest of the bicipital groove muscle attachments |
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Definition
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Term
| lateral crest of the bicipital groove muscle attachments |
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Definition
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Term
| deltoid tuberosity muscle attachments |
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Definition
| middle of humerus shaft, attachment point for deltoid |
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Term
Trapezius
distal and proximal attachments
innervation
arterial supply
actions |
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Definition
Distal attachments: Spine of spacula, Acromion, Lateral 1/3 of Clavicle
Proximal attachment: spinous processes of vertebrae
innervation: spinal accessory nerve (cranial nerve xi)
arterial supply: superficial branch of transverse cervical artery
actions: retracts,elevates and depresses scapula, rotates glenoid upward |
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Term
Rhomboid Minor
proximal and distal attachments
action |
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Definition
proximal attachment: spinous process, C7-T1 vertebrae
distal attachment: medial border of scapula, superior to spine
actions: retracts and elevates medial border, downwardly rotates lateral angle |
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Term
rhomboid major
proximal and distal attachments
actions |
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Definition
proximal attachment: spinous process of T2-T5 vertebrae (directly inferior to minor)
distal attachment: medial border of scapula inferior to spine
actions: retracts and elevates medial border of scapula, downwardly rotates lateral angle |
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Term
levator scapulae
proximal and distal attachments
actions |
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Definition
proximal attachment: transverse processes of C1-C4 (neck!)
distal attachment: medial border of scapula
actions: bends neck laterally, elevates medial border of scapula |
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Term
Deltoid
proximal and distal attachments
actions
arterial supply
innervation |
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Definition
proximal attachments: spine of scapula, acromion, lateral 1/3 of clavicle
distal attachment: deltoid tuberosity of humerus
actions: abduction of the arm 15-90 degrees, flex and medially rotate shoulder
arterial supply: posterior humeral circumflex artery
innervation: axillary nerve |
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Term
| supraspinatus proximal and distal attachments action |
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Definition
proximal attachment: supraspinous fossa of scapula
distal attachment: superior aspect of greater tubercle, humerus
action: helps deltoid abduct arm at shoulder, first 10-15 degrees |
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Term
serratus anterior
proximal and distal attachments
innervation
actions |
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Definition
| proximal attachment:anterior surfaces of first several ribs distal attachment: medial border of scapula innervation: long thoracic nerve actions: abducts and upwardly rotates scapula, stabilizes actions: |
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Term
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Definition
| long thoracic nerve is compromised (C5, 6,7), serratus anterior doesn't get innervated, don't get protraction, scapula wings out. |
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Term
latissimus dorsi
proximal and distal attachments
actions |
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Definition
proximal attachment: dorsum of back (T6-L5)
distal attachment: floor of bicipital groove
actions: abducts, medially rotates and extends arm at shoulder |
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Term
Teres Major
proximal and distal attachments
actions |
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Definition
proximal attachment: lateral border of scapula
distal attachment: medial lip of bicipital groove on humerus
actions: adducts, medially rotates and extends arm at shoulder |
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Term
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Definition
supraspinatus
infraspinatus
teres minor
subscapularis |
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Term
subscapularis
proximal and distal attachment
actions |
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Definition
proximal attachment: subscapular fossa
distal attachment: lesser tuberosity of humerus
actions: medially rotates arm at shoulder |
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Term
teres minor
proximal and distal attachments
actions
arterial supply
innervation |
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Definition
proximal attachment: lateral border of the scapula
distal attachment: greater tuberosity of humerus
actions: laterally rotates arm
arterial supply: posterior humeral circumflex artery
innervation: axillary nerve |
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Term
supraspinats
attachments
actions |
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Definition
proximal attachment: supraspinous fossa of scapula
distal attachment: superior aspect of greater tubercle, humerus
actions: laterally rotates humerus |
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Term
infraspinatus
actions and attachments
innervation |
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Definition
proximal attachment: infraspinous attachment of fossa
distal attachment: middle facet of greater tubercle, humerus
actions: brings humerus toward infraglenoid fossa, lateral rotation
innervation: suprascapular nerve |
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Term
subacromial bursa
location
action |
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Definition
inferior to deltoid, superior to supraspinatus muscle
action: protects supraspinatus from rubbing against acromion |
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Term
| "shoulder joints" and their ligaments |
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Definition
acromioclavicular joint- acromioclavicular ligament, coracoclavicular ligaments
glenohumeral joint- glenohumeral ligament, coracoacromial ligament
extra ligaments: transverse humeral ligament, suprascapular ligament |
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Term
| what is a dislocated shoulder? |
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Definition
| humerus separates from glenoid fossa at glenohumeral joint |
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Term
| what is a separated shoulder? |
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Definition
| clavicle separates from scapula at acromioclavicular joint |
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Term
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Definition
| attachment point for subscapularis |
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Term
long head of triceps
arterial supply
innervation |
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Definition
arterial supply: deep artery of arm
innervation: radial nerve |
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Term
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Definition
| innervated by musculocutaneous nerve |
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Term
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Definition
| innervated by musculocutaneous nerve |
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