Thoracoappendicular Muscles Flashcards
What are the anterior thoracic muscles
Subclavius
Pectoralis Minor
Serratus Anterior
Origin of Subclavius muscle
1st rib
Insertion of Subclavius muscle
Inferior surface of middle third of the clavicle
Origin of pectoralis minor
2nd-5th ribs, 3rd-5th ribs, 2nd-4th ribs
Insertion of pectoralis minor
Coracoid process of scapula
Origin of serratus anterior
Superior 8 or 9 ribs
Nerve supply of Subclavius muscle
Subclavian Nerve
Nerve supply ofPectoralis minor muscle
Medial pectoral nerve
Insertion of serratus anterior
Vertebral border of scapula and inferior angle
Nerve supply of serratus anterior
Long thoracic nerve
Serratus anterior weakness is caused by
Lesion of the Long Thoracic Nerve
What are the posterior thoracic muscles
Fiber of trapezius
Levator Scapulae
Rhomboid Major
Rhomboid Minor
Fiber of Trapezius is innervated by
Accessory and cervical spinal nerve
Origin of upper or descending trapezius
Medial 1/3rd of the superior nuchal line, external occipital protuberance and ligamentum nuchae
Insertion of upper trapezius
Posterior border of the lateral 1/3rd of the clavicle
Origin of lower/ascending fiber of trapezius
Spinous process of T6-T12
Insertion of lower trapezius
Inferior border of the spine of the scapula
Origin of middle/transverse trapezius
Spinous process of T1-T5
Insertion of the middle trapezius
Medial border of the acromion process of the scapula and superior border of the spine of the scapula
Origin of levator scapulae
Origin of levator scapulae
Transverse process of superior 4 or 5 cervical vertebrae
Insertion of levator scapulae
Superior vertebral border of the scapula
Nerve supply of levator scapulae
Scapular nerve, cervical spinal nerve
Origin of Rhomboid Major
Spine of 2nd-5th thoracic vertebrae
Insertion of rhomboid major
Vertebral border of the scapula below the spine
Nerve supply of Rhomboid Major
Dorsal scapular nerve
Origin of Rhomboid minor
Spinous process of 7th cervical and 1st thoracic vertebrae
Insertion of Rhomboid minor
Vertebral border of scapulae superior to the scapula
Origin of clavicular origin of pectoralis major
Medial half of the anterior clavicle
Insertion of clavicular origin of pectoralis major
Greater tubercle and intertubercular sulcus of humerus
Nerve supply of pectoralis major
Medial and pectoral nerve
Sternal origin of the pectoralis major
Anterior surface of the sternum
Costal cartilages of 2nd-6th ribs
Insertion of sternal origin of pectoralis makor
Greater tubercule and intertubercular sulcus
Origin of latissimus Dorsi
spines of inferior 6 thoracic vertebrae, lumbar vertebrae, crest of sacrum , iliac crest, inferior four ribs
Insertion of latissimus Dorsi
Intertubercular sulcus of humerus
Insertion of latissimus Dorsi
Intertubercular sulcus of humerus
Nerve supply of latissimus Dorsi
Thoracodorsal nerve
Nerve supply of deltoid muscle
Axillary nerve
Origin of anterior/clavicular deltoid
Anterior border of lateral clavicle
Insertion of deltoid muscle
Deltoid tuberosity
Origin of middle/ acromial deltoid
Lateral border and superior surface of acromion of scapula
Origin of the posterior/spinal deltoid
Inferior lip of the crest of the spine of the scapula
What are the rotator cuff muscles
Subscapularis
Supraspinatus
Infraspinatus
Teres minor
Origin of supraspinatus
Supraspinous fossa
Origin of infraspinatus
Infraspinous fossa
Insertion of supraspinatus
Anterior aspect of greater tubercle of humerus
Insertion of infraspinatus
Posterior aspect of greater tubercle of humerus
Origin of teres minor
Inferior lateral border of scapula
Insertion of teres minor
Inferior aspect of greater tubercle of humerus
Nerve supply of supraspinatus
Suprascapular nerve
Nerve supply of infraspinatus
Suprascapular Nerve
Nerve supply of teres minor
Axillary Nerve
Origin of Subscapularis muscle
Subscapular fossa
Insertion of Subscapularis muscle
Lesser tubercle of humerus
Nerve supply of Subscapularis muscle
Upper and Lower subscapular Nerve
Origin of teres major
Inferior angle of scapula
Insertion of teres major
Medial lip of intertubercular sulcus of humerus
Nerve supply of teres major
Lower subscapular nerve
Origin of Coracobrachialis
Coracoid process of scapula
Insertion of Coracobrachialis
Middle of medial surface of shaft of humerus
Nerve supply of Coracobrachialis
Musculotaneous nerve
Most superficial muscle of anterior compartment of arm
Brachialis
Origin of short head of biceps
Coracoid process
Insertion of biceps
Radial tuberosity
Nerve supply of biceps
Musculocutaneous nerve
Origin of long head of biceps
Supraglenoid tubercle
Posterior compartment of arm
Triceps muscle
Origin of long head of triceps
Infraglenoid tubercule
Insertion of the tricep muscles
Olecranon of the Ulna
Origin of lateral head of triceps
Posterior surface of humerus superior To the radial groove
Origin of the medial head of triceps
Posterior surface of the humerus, inferior to the radial tuberosity
What type of joint is the sternoclavicular joint
Synovial joint, planar
The anterior sternoclavicular ligament is attached to
The upper and front part of the sternal end of the clavicle and to the front of the upper part of the manibrium of the sternum
The posterior sternoclavicular ligament is attached to
The upper and back part of the sternal end of the clavicle and to the upper and back part of the manubrum of the sternum
The interclavicular ligament is attached to
Upper part of the sternal end of one clavicle to the other and also to the upper margin of the sternum
The Costco clavicular ligament is attached to
The upper and medial part of the costal cartilage of 1st rib and to the costal tuberosity of the clavicle
What type of joint is acromioclavicular joint
Synovial joint, planar
What are the ligaments of the acromioclavicular joints
Acromioclavicular
Coracoacromial
Coracoclavular ligaments