Muscle Attachments Flashcards
Sternocleidomastoid
O: mastoid process of temporal bone
I: sternum and clavicle
scalenes
O: cervical transverse processes
I: 1st and 2nd ribs
longus colli
O: anterior body of cervical spine
I: anterior body of cervical spine
suboccipitals
O: several muscles that runs between the occiput, Ca, and C2 both on the anterior and posterior side
errector spinae
O: run from iliac crest, sacrum, spine, and ribs longitudinally
I: spine, ribs, or occiput
Deep layer of spine (multifid and rotators)
O: spinous and transverse process
I: one or a few vertebra down to spinous or transverse process
Rectus abdominis
O: xiphoid process, anterior ribs
I: pubic bone
External Oblique Abdominis
O: lateral ribs
I: runs inferior medially to iliac crest and thoracolumbar fascia
Transverse Abdominis
O: rectus sheath
I:thoracolumbar fascia, iliac crest, lower ribs
Quadratus Lumborum
O: 12th rib, transverse processes of lumbar spine
I: posterior iliac crest
Levator Scapulae
O: upper cervical transverse processes
I: superior angle of scapula
Trapezius
O: occiput, spinous process C2-T12
I: spine of scapula, accordion, outer 1/3rd of clavicle
Rhomboids
O: spinous process of upper thoracic
I: medial border of scapula (runs inferiolateral to scapula)
serratus anterior
O: lateral ribs
I:medial-anterior border of scapula
pactoralis major
O: medial clavicle, sternum, and anterior ribs
I: intertubercular groove of humerus (lateral lip= greater tubercle)
Pectoralis Minor
O: Anterior upper ribs
I: coracoid process
Latissiumus Dorsi
O: spinous process T7-T12 and thoracolumbar fascia, iliac crest
I: intertubercular groove of humerus (medial lip= lesser tubercle)
deltoid
O: lateral clavicle, acromion, spine of scapula
I: deltoid tuberosity of humerus
supraspinatus
O: supraspinatus fossa
I: greater tubercle of humerus
infraspinatus
O: infraspinous fossa
I: greater tubercle of humerus
Teres minor
O: lateral posterior scapula
I: greater tubercle of humerus
Subscapularis
O: subscapular fossa
I: lesser tubercle of humerus
Teres Major
O: inferior angle of scapula
I: intertubercular groove of humerus (medial lip- lesser tubercle)
coracobrachialis
O: coracoid process
I: medial mid-humerus
Biceps Brachii
O: LH-supraglenoid tubercle
SH- coracoid process
I: radial tuberosity
brachialis
O: anterior humerus
I: ulnar tuberosity and coranoid process
brachioradialis
O: lateral distal humerus
I: radial styloid
Triceps Brachii
O: LH- infraglenoid tubercle other heads- posterior humerus
I: olecranon process
Aconeus
O: posterior distal humerus
I: olecranon process
Supinator
O: upper ulna
I: upper radius