Term
| What is the origin of the deltoid? |
|
Definition
Lateral one third of clavicle
Acromion
Spine of scapula |
|
|
Term
| What is the insertion of the deltoid? |
|
Definition
|
|
Term
| What is the nerve innervation for the deltoid? |
|
Definition
|
|
Term
| What is the origin of the trapezius? |
|
Definition
External occipital protuberance
Medial portion of superior nuchal line of the occiput
ligamentum nuchae
Spinous process of C7-T12 |
|
|
Term
| What is the insertion of the trapezius? |
|
Definition
Lateral one third of clavicle
Acromion
Spine of scapula |
|
|
Term
| What is the nerve innervation of the Trapezius? |
|
Definition
| Spinal portion of accessory nerve and ventral ramus C2-C4. |
|
|
Term
| What is the origin of the latissimus dorsi? |
|
Definition
Inferior angle of scapula
Spinous process of T7-T12
Thoracolumbar fascia
Posterior Iliac Crest |
|
|
Term
| What is the insertion of the latissimus dorsi? |
|
Definition
| Intertubercular groove of the humerus. |
|
|
Term
| What is the nerve innervation of the latissimus dorsi? |
|
Definition
|
|
Term
| What is the origin of the teres major? |
|
Definition
| Inferior angle and lower one-third of lateral border of scapula |
|
|
Term
| What is the insertion of the teres major? |
|
Definition
| Crest of the lesser tubercle of the humerus. |
|
|
Term
| What is the nerve innervation of the Teres Major? |
|
Definition
|
|
Term
| What is the origin of the supraspinatus? |
|
Definition
| Supraspinous fossa of the scapula |
|
|
Term
| What is the insertion of the supraspinatus? |
|
Definition
| Greater tubercle of humerus. |
|
|
Term
| What is the nerve innervation of the supraspinatus? |
|
Definition
|
|
Term
| What is the origin of the infraspinatus? |
|
Definition
| Infraspinous fossa of the scapula |
|
|
Term
| What is the insertion of the infraspinatus? |
|
Definition
| Greater tubercle of humerus. |
|
|
Term
| What is the nerve innervation of the infraspinatus? |
|
Definition
|
|
Term
| What is the origin of the teres minor? |
|
Definition
| Upper two-thirds of lateral border of the scapula |
|
|
Term
| What is the insertion of the teres minor? |
|
Definition
| Greater tubercle of humerus. |
|
|
Term
| What is the nerve innervation for the teres mionr? |
|
Definition
|
|
Term
| What is the origin of the subscapularis? |
|
Definition
| Subscapular fossa of the scapula. |
|
|
Term
| What is the insertion of the subscapularis? |
|
Definition
| Lesser tubercle of humerus. |
|
|
Term
| What is the nerve innervation of the subscapularis? |
|
Definition
| Upper and lower subscapular C5-C7. |
|
|
Term
| What is the origin of the rhomboid major? |
|
Definition
| Spinous processes of T2-T5 |
|
|
Term
| What is the insertion of the rhomboid major? |
|
Definition
| Medial border of scapula between the spine of the scapula and inferior angle. |
|
|
Term
| What is the origin of the rhomboid minor? |
|
Definition
| Spinous Processes of C7-T1. |
|
|
Term
| What is the insertion of the rhomboid minor? |
|
Definition
| Upper portion of medial border of the scapula across from spine of the scapula. |
|
|
Term
| What are the nerve innervations for both the rhomboid major and minor? |
|
Definition
|
|
Term
| What is the origin of the levator scapula? |
|
Definition
| Transverse processes of C1-C4 |
|
|
Term
| What is the insertion of the levator scapula? |
|
Definition
| Medial border of the scapula |
|
|
Term
| What is the nerve innervation of the levator scapula? |
|
Definition
| C3-C4, and dorsal scapular C4-C5 |
|
|
Term
| What is the origin of the serratus anterior? |
|
Definition
| External surfaces of upper eight or nine ribs. |
|
|
Term
| What is the insertion of the serratus anterior? |
|
Definition
| Anterior surface of medial border of scapula. |
|
|
Term
| What is the nerve innervation of the serratus anterior? |
|
Definition
|
|
Term
| What is the origin of the pectoralis major? |
|
Definition
| Medial half of clavicle, sternum, and cartilage through the 1st six ribs. |
|
|
Term
| What is the insertion of the pec major? |
|
Definition
| Crest of greater tubercle of humerus. |
|
|
Term
| What is the nerve innervation for the pec major? |
|
Definition
Upper Fibers: C5-C7
Lower Fibers: C6-T1 |
|
|
Term
| What is the origin of the pectoralis minor? |
|
Definition
|
|
Term
| What is the insertion of the pec minor? |
|
Definition
| Medial surface of the coracoid process of the scapula. |
|
|
Term
| What is the nerve innervation for the pec minor? |
|
Definition
|
|
Term
| What is the origin of the subclavius? |
|
Definition
|
|
Term
| What is the insertion of the subclavius? |
|
Definition
| Inferior surface of middle 1/3 of clavicle. |
|
|
Term
| What is the nerve innervation for the subclavius? |
|
Definition
|
|
Term
| What is the origin for the biceps brachii? |
|
Definition
Short head: Coracoid process of scapula
Long head: Supraglenoid tubercle of scapula. |
|
|
Term
| What is the insertion of the biceps brachii? |
|
Definition
| Radial tuberosity and Aponeurosis of the biceps brachii. |
|
|
Term
| What is the nerve innervation for the biceps brachii? |
|
Definition
|
|
Term
| What is the origin of the triceps brachii? |
|
Definition
Long head: Infraglenoid tubercle of humerus.
Medial head: Posterior surface of distal half of humerus.
Lateral head: Posterior surface of proximal half of humerus. |
|
|
Term
| What is the nerve innervation for the triceps brachii? |
|
Definition
|
|
Term
| What is the origin of the coracobrachialis? |
|
Definition
| Coracoid process of the scapula. |
|
|
Term
| What is the insertion of the coracobrachialis? |
|
Definition
| Medial surface of mid-humeral shaft. |
|
|
Term
| What is the nerve innervation for the coracobrachilis? |
|
Definition
|
|
Term
| The ______ _______ is composed of the trapezius and conoid ligament. It provides stability for the acromioclavicular joint and forms a strong bridge between the scapula and clavicle. |
|
Definition
| Coracoclavicular ligament |
|
|
Term
| This ligament helps protect the rotator cuff tendons and subacromial bursa from direct trauma by the acromion. |
|
Definition
|
|
Term
| What are the muscles responsible for flexion at the GH joint? |
|
Definition
Anterior fibers of deltoid
Upper fibers of pec major
Biceps brachii
Coracobrachialis |
|
|
Term
| What are the muscles responsible for extension at the GH joint? |
|
Definition
Posterior fibers of deltoid
Latissimus dorsi
Teres Major
Lower fibers of Pec Major
Long head of triceps |
|
|
Term
| What muscle is responsible for horizontal abduction at the GH joint. |
|
Definition
| Posterior fibers of deltoid |
|
|
Term
| What muscles are responsible for horizontal adduction at the GH joint? |
|
Definition
Anterior fibers of deltoid
Upper Fibers of Pec Major |
|
|
Term
| What muscles are responsible for abduction at the GH joint? |
|
Definition
All fibers of deltoid
Supraspinatus |
|
|
Term
| What muscles are responsible for adduction at the GH joint? |
|
Definition
Latissimus dorsi
Teres Major
Infrespinatus
Teres Minor
All fibers of Pec Major
Long head of Triceps
Coracobrachialis |
|
|
Term
| What muscles are responsible for lateral rotation (external rotation) |
|
Definition
Posterior fibers of deltoid
Infraspinatus
Teres Minor |
|
|
Term
| What muscles are responsible for Medial rotation (Internal Rotation) of the GH joint |
|
Definition
Subscapularis
Pec Major (all fibers)
Latissimus Dorsi
Anterior Fibers of Deltoid
Teres Major |
|
|
Term
| What muscles are responsible for elevation at the scapula ST joint? |
|
Definition
Upper fibers of traps
Rhomboids (both)
Levator scapula |
|
|
Term
| What muscles are responsible for depression at the scapula ST joint? |
|
Definition
Lower Fibers of traps
Serratus anterior (with origin fixed)
Pec Minor |
|
|
Term
| What muscles are responsible for adduction (retraction) of the scapula ST joint? |
|
Definition
Middle fibers of traps
Rhomboids (both) |
|
|
Term
| What muscles are responsible for Abduction (protraction) of the scapula ST joint? |
|
Definition
Serratus anterior (with origin fixed)
Pec Minor |
|
|
Term
| What muscles are responsible for upward rotation of the scapula ST joint? |
|
Definition
Upper and lower traps
Serratus anterior (with origin fixed) |
|
|
Term
| What muscles are responsible or downward rotation of the scapula ST joint? |
|
Definition
Rhomboids (both)
Levator scapula
Pec Minor |
|
|
