Anatomy Breast, Thoracic Wall, Axilla, Rotator Cuff, Arm, Forearm Flashcards
What muscles are found in the Breast Area?
Pectoralis Major
Deltoid
Pectoralis Minor
Subclavius
Innervation of pectoralis major
Medial and lateral pectoral nerve
Insertion of pectoralis major
Crest of greater tubercle of the humerus
What are the origins of pectoralis major
Clavicular and sternal head
Intertubercular groove of the humerus
Anterior layer of rectus sheath
Costal cartilage 2-6
Origin of pectoralis minor
Rib 3-5
Insertion of pectoralis minor
Coracoid process of the scapula
Innervation of pectoralis minor
Medial pectoral nerve
What does the lateral pectoral nerve innervates
Pectoralis major and deltoid
What does the medial pectoral nerve innervate
Pectoralis major, minor, and deltoid
Innervation of subclavius muscle
Subclavian nerve
Origin and insertion of subclavius
Origin is first rib, insertion is the lower surface of the clavicle
What muscle is inserted into the coracoid process of the scapula
Pectoralis minor, biceps brachii, and coracobrachialis
What muscles shape the thoracic wall?
Internal and External intercostal muscles
What muscle attaches to the lower border of the rib?
External intercostal muscles
What muscle attaches to the upper border of the ribs
Internal intercostal muscles
What nerves innervate the internal and external intercostal muscles
Intercostal nerves T1-T11
What muscles do the intercostal nerves innervate?
Internal and external intercostal muscles
Where does the external intercostal muscle attach?
Lower border of the rib and the upper border of the rib below
Where does the internal intercostal muscle attach?
Upper border of the rib and the lower border of the rib above
What muscles are found in the axilla?
Latissimus Doris and Serratus Anterior
What nerve innervates Latissimus Dorsi?
Thoracodorsal nerve
What nerve innervates Serratus Anterior?
Long Thoracic Nerve
Where on the humerus does Latissimus Dorsi Attach to?
Intertubercular Groove
Give 4 places Latissimus Dorsi attaches to
Intertubercular groove
Pelvis
Spine
Scapula
What nerve innervates Serratus Anterior?
Long Thoracic Nerve
Where does Serratus Anterior attach?
Upper 8 ribs and medial border of the scapula
What attaches to the medial border of the scapula?
Serratus Anterior
What muscle in the axilla attaches to the intertubercular groove?
Latissimus Dorsi
What muscles make up the rotator cuff?
Subscapularis
Supraspinatus
Infraspinatus
Teres Minor
What muscles does the suprascapular nerve innervate
Supraspinatous
Infraspinatous
Innervation of subscapularis
Subscapular nerve
Innervation of supraspinatus
Suprascapular nerve
Innervation of infraspinatus
Suprascapular nerve
Innervation of Teres Minor
Axillary nerve