Muscle Origins Flashcards
Masseter
Zygomatic Arch
Splenius
Spinous processes C7-T6
Sternocleidomastoid
Upper anterior surface of the manubrium; superior surface of the clavicle
Pectoralis Major
Medial 1/2 of clavicle; sternum
Coracobrachialis
Coracoid process of the scapula
Latissmus Dorsi
Spinous processes of T7-L5
Deltoid
Acromion Process and spine of scapula
Infrapinatus
Infraspinous fossa of the scapula
Supraspinatus
Supraspinous fossa of scapula
Teres Major
Lower lateral border and inferior angle of the scapula
Teres Minor
Middle part of lateral border of the scapula
Subscapularis
Subscapular fossa of the scapula
Pectoralis Minor
Anterior surface of sternal ends of ribs 3-5
Serratus Anterior
Anterior surface of the first 8 or 9 ribs
Trapezius
Spinous processes of C7-T12
Rhomboideus
Spinous processes of T2-T5 vertebrae
Triceps Brachii
Infraglenoid tubercle of the scapula
Biceps Brachii
Long: supraglenoid tubercle of the scapula
Short: coracoid process of the scapula
Brachialis
Anterior, distal 1/2 of the humerus
Extensor Carpi Radialis
Longus: distal, lateral supracondylar ridge
Brevis: humerus at the anterior portion of lateral epicondyle
Extensor Carpi Ulnaris
Lateral epicondyle of humerus; posterior border of the ulna
Flexor Carpi Radialis
Medial epicondyle of the humerus
Flexor Carpi Ulnaris
Humeral: medial epicondyle
Ulnar: Olecranon Process
Flexor Digitorum
Proximal 3/4 of medial and anterior surface of the ulna
Extensor Digitorum
Lateral Epicondyle of the humerus
Rectus Abdominus
Pubic crest and pubis symphisis
External Oblique
External Surfaces of ribs 5-12
Internal oblique
Anterior Iliac crest
Transverse Abdominis
Anterior Iliac Crest; cartilages of ribs 6-12
Tensor Fascia Lata
Anterior Superior Iliac Spine
Gluteus Maximus
Posterior superior Iliac crest and posterior aspect of sacrum
Gluteus Medius
Inferior to the Iliac crest
Adductor Longus
Anterior surface of the pubis
Adductor Brevis
Anterior surface of inferior pubic ramus
Adductor Magnus
Inferior pubic ramus
Psoas Major
Bodies and discs of T12-L5
Iliacus
Lateral aspect of the sacrum
Biceps Femoris
Long: posterior ischial tuberosity
Short: lateral lines aspera of femur
Semitendonosis
Posterior Ischial Tuberosity
Semimembranosis
Superior Ischial Tuberosity
Tibialis Anterior
Lateral condyle of the tibia
Flexor Digitorum Longus
Posterior surface of tibia
Peroneus Longus
Head of Fibula
Peroneus Tertius
Medial fibulae shaft
Extensor Digitorum Longus
Lateral condyle of the femur
Gracilis
Inferior pubis symphisys
Sartorius
Anterior superior Iliac spine
Rectus Femoris
Anterior inferior Iliac spine
Vastus lateralis
Inferior borders of greater trochanter of the femur
Vastus medialis
Medial lip of Linea aspera femur
Gastrocnemius
Lateral femoral condyle
Soleus
Posterior fibular head