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33 terms

Muscles

Names of muscles and their origins and insertions
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Frontalis
Origin: Epicranial aponeurosis
Insertion: skin of eyebrows and nose
Occipitalis
Origin: Superior nuchal line of occipital bone
Insertion: epicranial aponeurosis
Masseter
Origin: Zygomatic Arch
Insertion: Ramus of mandible
Obicularis oculi
Origin: Frontal and maxilla bones
Insertion: Eyelid
Temporalis
Origin: Temporal lines of parietal and frontal bones
Insertion: Coronoid process of mandible
Zygomaticus
Origin: Zygomatic bone
Insertion: Muscles and skin at corners of mouth
Platysma
origin: Fascia of Thorax
Insertion: Mandible, skin and muscle of cheek
Sternohyoid
origin: Clavicle and manubrium
Insertion: hyoid bone
Sternocleidomastoid
origin: Clavicle and manubrium
Insertion: mastoid process
Diaphragm
origin: inferior border of rib cage
Insertion: Central tendon
External intercostals
origin: Superior rib
Insertion:inferior rib
Internal intercostals
origin: inferior rib
Insertion: Superior rib
Latissimus dorsi
Origin: spinous processes of T7-L5 vertebrae, ribs 8-12 and the iliac crest
Insertion: Intertubercular groove of humerus
Pectoralis Major
Origin: Claviclem sternum and cartilage of ribs 2-6
Insertion: Greater tubercle and inter-tubercular groove of humerus
Pectoralis minor
origin: Ribs 3-5
insertion: Coracoid process of scapula
Rhomboids
origin: Spinous prcesses of C7-T5 vertebrae
Insertion: medial edge of scapula
Serratus Anterior
Origin: ribs 1-8
Insertion: Anterior surface of medial edge of scapula
Trapezius
Origin: Occipital bone and spinous processes of the C7-T12
Insertion: Acromion and spine of scapula, clavicle
External Oblique
origin: ribs 5-12
Insertion: linea alba and iliac crest
Internal Oblique
origin: lumbodorsal fascia and iliac crest
Insertion: Ribs 9-12, xiphoid process and linea alba
Rectus abdominis
origin: pubis
Insertion: xiphoid process, costal cartilage of ribs 5-7
Transversus abdominis
origin: Lumbodorsal fascia, iliac crest, cartilage of ribs 6-12
Insertion: linea alba and pubis
Deltoid
Origin: Clavicle, acromion and spine of scapula
Insertion: Deltoid tuberosity of humerus
Infraspinatus
origin: infraspinous fossa of scapula
Insertion: greater tubercle of humerus
Teres Major
origin: Inferior edge of scapula
insertion: intertubercular groove of humerus
Biceps Brachii
origin: Coracoid process, superior edge of glenoid cavity
Insertion: radial tuberosity of radius
Brachialis
origin: Anterior/distal humerus
Insertion: Coronoid process of ulna
Triceps brachii
Origin: inferior edge of glenoid cavity, posterior shaft of humerus
Insertion: olecranon process of ulna
brachioradialis
origin: lateral/distal end of humerus
Insertion: styloid process of radius
Flexor Carpi radialis
origin: medial epicondyle of humerus
Insertion: 2nd and 3rd metacarpals
flexor carpi ulnaris
origin: medial epicondyle of humerus olecranon process of ulna
insertion: carpals and 5th metacarpal
extensor carpi radialis longus
origin: lateral/distal end of humerus
Insertion: 2nd metacarpal
Extensor carpi ulnaris
origin: lateral epicondyle of humerus
Insertion: 5th metacarpal