Origins and Insertions of Muscles Flashcards
(106 cards)
Origin: Temporal bone Insertion: Coronoid process of mandible
Temporalis
Origin: Zygomatic arch Insertion: Coronoid process and angle of mandible
Masseter
Origin: Maxilla, palatine bone and medial surface of lateral pterygoid plate Insertion: Ramus of mandible
Medial pterygoid
Origin: Greater wing of sphenoid and lateral surface of lateral pterygoid plate Insertion: Condylar process of mandible
Lateral pterygoid
Origin: Mental protuberance, mastoid process Insertion: Hyoid bone
Digastric
Origin: Mandible Insertion: Hyoid bone
Mylohyoid
Origin: Sternum and clavicle Insertion: Mastoid process
Sternocleidomastoid
Origin: Spinous process of C3-C7 Insertion: Lateral superior nuchal line, mastoid process
Splenius Capitis
Origin: Superior nuchal line spinous processes of C7-T12 Insertion: Clavicle, acromion process, spine of scapula
Trapezius
Origin: Transverse processes of C1-C4 Insertion: Medial border and superior angle of scapula
Levator scapulae
Origin: Spinous processes of C7-T1 Insertion: Medial border of scapula
Rhomboid minor
Origin: Spinous processes of T2-T5 Insertion: Medial border of scapula
Rhomboid major
Origin: Ribs 1-8 Insertion: Medial border of scapula
Serratus anterior
Origin: Ribs 3-5 Insertion: Coracoid process of scapula
Pectoralis minor
Origin: Clavicle, acromion process, and spine of scapula Insertion: Deltoid Tuberosity
Deltoid
Origin: Coracoid process of scapula Insertion: Middle medial shaft of humerus
Coracobrachialis
Origin: Supraglenoid tubercle and coracoid process Insertion: Radial tuberosity
Biceps brachii
Origin: Infraglenoid tubercle and shaft of humerus Insertion: Olecranon process of ulna
Triceps brachii
Origin: Supraspinous fossa Insertion: Greater tubercle and shaft of humerus
Supraspinatus
Origin: Infraspinous fossa Insertion: Greater tubercle of humerus
Infraspinatus
Origin: Lateral border of scapula Insertion: Greater tubercle of humerus
Teres minor
Origin: Subscapular fossa Insertion: Lesser tubercle of humerus
Subscapularis
Origin: clavicle, sternum, ribs 2-6 Insertion: intertubercular groove
Pectoralis Major
Origin: lateral border and inferior angle of scapula Insertion: intertubercular groove
Teres Major