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lab 3 muscles
muscles
Muscles | origin | insertion | nerve |
---|---|---|---|
Pictoralis minor | anterior superior surfaces of ribs3-5 | coracoid process of scapula | medial pectoral nerve C8, T1 |
Pectoralis major | cartilages of ribs 2-6 body of sternumand inferror medial portion of clavicle | crest of greater tubercle and lateral lip of intertubercular groove of humerus | pectoral nerves C5, T1 |
Diaphragm | xiphoid process cartilages of ribs4-10 and anterior surfaces of lumbar vertebrae | central tendinous sheet | Phienic nerves C3 - C5 |
External oblique | external and inferror borders of ribs 5-12 | linea alba and iliac crest | (blank) |
Internal oblique | lumbodorsal fascia and iliac Crest | Inferior Ribs, xiphoid process and linea alba | (blank) |
Transversus abdominis | cartilages of ribs 6-12 iliac crest and lumbodarsal fascia | linea alba and pubis | (blank) |
Rectus abdominis | superior surface of pubis anround symphysis | inferior surfaces of costal cartilages | (blank) |
Trapezius | occipital bone, ligamentum nochaeand spinous processes of thoracic vertebrae | clavicle and scapula | accessory nerve XI and cervical spinal nerves L3-L4 |
latissimus dorsi | spinous process of inferior thoracic and all lumbar vertebrae ribs 8-12 and lumbodorsal fascia | floor of intertubercular groove of the humerus | thoracodorgsal nerve C6-C8 |
Levator scapulae | Transverse processes of first 4 cervical vertebrae | verterbae border of scapula near superior angle | (blank) |
Deltoid | clavicle and scapula | deltoid tuberosity of humerus | axillary nerve C5-C6 |
Supraspinatus | supraspinous fossa of scapula | greater tubercle of humerus | supra scapular nerve C5 |
infraspinatus | infraspinous gossa of scapula | greater tubercle of humerus | (blank) |
Teres minor | lateral border of scapula | passes laterally to reach the greater tubercle of humerus | (blank) |
Teres major | inferior angle of scapula | passes medially to reach the medial lip of intertubercular groove of humerus | (blank) |
Subscapularis | subscapular fossa of scapula | lesser tubercle of humerus | (blank) |
Rhomboid major | Spinous processes of superior thoracic vertebrae | vertebral border of scapula from spine to inferior angle | (blank) |
Rhomboid minor | spinous processes of vertebrae C1-T1 | vertebral border of scapula | (blank) |
Serratus anterror | (blank) | (blank) | (blank) |
External intercostals | inferior border of each rib | superior border of more inferior rib | interxostal nerves (braches of thoracic spinal nerves) |
Internal intercostals | superior border of each rib | inferior border of the preceding rib | intercostal nerves (branches of thoracic spinal nerves) |