Origins of Muscles
The frontal belly of the epicranius muscle originates in the
Epicranial aponeurosis
Occipital bone and mastoid region of temporal bone
The occipital belly of the epicranius muscle originates in the
Epicranial aponeurosis
Occipital bone and mastoid region of temporal bone
The orbicularis oculi muscle originates in the
Medial margin of orbit (frontal and maxillary bones)
Fascia of masseter muscle (surrounding parotid salivary gland)
The levator labii superioris muscle originates in the
Inferior margin of orbit (zygomatic bone and infraorbital margin of maxilla), inferior to infra-orbital foramen
Maxilla below the infraorbital foramen
The depressor labii inferioris muscle originates in the
Anterolateral surface (below incisors) of mandibular body
Body of mandible between the midline anteriorly and the mental foramen posteriorly
The levator anguli oris muscle originates in the
Inferior margin of orbit (zygomatic bone and infraorbital margin of maxilla), inferior to infra-orbital foramen
Maxilla below the infraorbital foramen
The depressor anguli oris muscle originates in the
Anterolateral surface (below incisors) of mandibular body
Body of mandible between the midline anteriorly and the mental foramen posteriorly
The zygomatic major muscle originates in the
Zygomatic Bone and posterior to the zygomaticomaxillar suture
Zygomatic Bone and near the zygomaticomaxillar suture
The zygomatic minor muscle originates in the
Zygomatic Bone and posterior to the zygomaticomaxillar suture
Zygomatic Bone and near the zygomaticomaxillar suture
The risorius originates in the
Fascia of masseter muscle (surrounding parotid salivary gland)
Molar region (alveolar process) of maxilla and mandible
The orbicularis oris muscle originates in the
Medial margin of orbit (frontal and maxillary bones)
Maxilla and Mandible
The buccinator muscle originates in the
Fascia of masseter muscle (surrounding parotid salivary gland)
Molar region (alveolar process) of maxilla and mandible
The platysma originates
Molar region (alveolar process) of maxilla and mandible
Superior thorax between cartilage of 2nd rib and acromion of scapula
The masseter muscles originate in the
Zygomatic arch and maxilla
Greater wing of sphenoid
The temporalis muscles originate in the
Temporal Fossa
Molar region (alveolar process) of maxilla and mandible
The medial pterygoid muscle originates in the
Greater wing of sphenoid
Sphenoid, Palatine and Maxillary Bones
The lateral pterygoid muscle originates in the
Greater wing of sphenoid
Sphenoid, Palatine and Maxillary Bones
The genioglossus muscle originates in the
Internal surface of mandible near symphysis
Styloid process of temporal bone
The hyoglossus muscle originates in the
Body and greater horn of hyoid
Anterior surface of soft palate
The superior rectus, inferior rectus, medial rectus, and lateral rectus muscles originate in the
Body of sphenoid bone
Common tendinous ring (annular ring) at sphenoid around optic canal and superomedial area of superior orbital fissure
The inferior oblique muscles originate in the
Maxilla at anterior portion of orbit
Common tendinous ring (annular ring) at sphenoid around optic canal and superomedial area of superior orbital fissure
The superior oblique muscles originate in the
Body of sphenoid bone
Maxilla at anterior portion of orbit
The digastric muscle originates in the
Inner surface of mandible
Lower margin of Mandible (anterior belly) and Mastoid Process (posterior belly
The sternohyoid muscle originates in the
Manubrium and medial end of Clavicle
Dorsal surface of manubrium of sternum and 1st costal cartilage
The sternothyroid muscle originates in the
Manubrium and medial end of Clavicle
Dorsal surface of manubrium of sternum and 1st costal cartilage
The sternocleidomastoid muscle originates in the
Manubrium of sternum and medial aspect of clavicle
Lower margin of Mandible (anterior belly) and Mastoid Process (posterior belly
The anterior, posterior, and middle scalene muscles originate in the
Spinous processes of cervical vertebrae
Transverse processes of cervical vertebrae
The semispinalis capitis muscle originates in the
Articular process of C6-C4 vertebrae; transverse processes of T6-C7 vertebrae
Transverse processes of T6 or T5-T1 vertebrae
The quadratus lumborum muscle originates in the
Anterior surfaces of cervical and superior thoracic vertebrae
Iliac crest; lumbar fascia (iliolumbar ligament)
The external intercostal muscles originate in the
Superior border of lower rib
Inferior Border of upper rib
The internal intercostal muscles originate in the
Superior border of lower rib
Inferior Border of upper rib
The diaphragm muscle originates in the
Manubrium of sternum
Xiphoid process of sternum, cartilages of ribs 4-10, and anterior surfaces of lumbar vertebrae
The rectus abdominus muscle originates in the
Pubic crest and pubic symphysis
Iliac crest
The external oblique muscles originates in the
Outer surface of ribs 5-12
Thoracolumbar Fascia, iliac crest, Inguinal Ligament
The internal oblique muscles originate in the
Outer surface of ribs 5-12
Thoracolumbar Fascia, iliac crest, Inguinal Ligament
The transversus abdominis muscles originate in the
Ischial spine and pubis
Cartilages of ribs 7-12, Inguinal Ligament, iliac crest, Thoracolumbar Fascia
The pectoralis minor muscles originate in the
Antero-superior margins and lateral aspects of 1-8 (or 1-9) Ribs
Antero-superior surface of 3-5 Ribs near the costal cartilages
The serratus anterior muscles originate in the
Antero-superior margins and lateral aspects of 1-8 (or 1-9) Ribs
Antero-superior surface of 3-5 Ribs near the costal cartilages
The subclavius muscle originates in the
Costal cartilage of 1st rib
Costal cartilage of 2nd rib
The trapezius muscle originates in the
Temporal Bone; ligamentum nuchae; Spinous processes of C7 and all thoracic vertebrae
Occipital Bone; ligamentum nuchae; Spinous processes of C7 and all thoracic vertebrae
The rhomboids major muscle originates in the
Spinous processes of superior thoracic vertebrae (T2-T5)
Spinous processes of vertebrae (C7 and T1)
The rhomboids minor muscle originates in the
Spinous processes of superior thoracic vertebrae (T2-T5)
Spinous processes of vertebrae (C7 and T1)
The levator scapulae muscle originates in the
Spinous Processes of C1-C4 Vertebrae
Transverse Processes of C1-C4 Vertebrae
The pectoralis major muscle originates in the
Sternal end of Clavicle, body of Sternum, costal cartilages 1-6 (or 1-7) Ribs
Lateral third of Clavicle and Acromion and spine of Scapula
The deltoid muscles originate in the
Spinous processes of thoracic vertebrae 7-12, spinous processes of all lumbar vertebrae, Ribs 8-12, and Iliac crest
Lateral third of Clavicle and Acromion and spine of Scapula
The latissimus dorsi muscles originate in the
Spinous processes of thoracic vertebrae 7-12, spinous processes of all lumbar vertebrae, Ribs 8-12, and Iliac crest
Sternal end of Clavicle, body of Sternum, costal cartilages 1-6 (or 1-7) Ribs
The subscapularis muscles originate in the
Supraspinatus fossa of scapula
Subscapula fossa of scapula
The supraspinatus muscle originates in the
Supraspinatus fossa of scapula
Lateral border of dorsal scapula surface
The teres major muscle originates in the
Lateral border of dorsal scapula surface
Posterior surface of scapula at inferior angle
The coracobrachialis muscle originates in the
Coronoid process of scapula
Coracoid process of scapula
The anconeus muscle originates in the
Posteroinferior surface of lateral epicondyle of humerus
Anterosuperior surface of lateral epicondyle of humerus
The triceps brachii muscle originates in the
Infraglenoid tubercle of the scapula (long head)
Superior and posterior surface of humerus (lateral head)
Posterior humeral shaft distal to radial groove (medial head)
Coracoid process of the scapula (short head)
The biceps brachii muscle originates in the
Coracoid process of the scapula (short head)
Supraglenoid tubercle and lip of glenoid cavity; tendon of long head runs into intertubercular sulcus of humerus (long head)
Infraglenoid tubercle of the scapula (long head)
The brachialis muscle originates in the
Anterior distal surface of Humerus
Posterior distal surface of Humerus
The brachioradialis and extensor carpi radialis longus muscles originate in the
Medial supracondylar ridge at distal end of Humerus
Lateral supracondylar ridge at distal end of Humerus
The pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris, and flexor digitorum superficialis muscles originate in the
Lateral epicondyle of humerus
Medial epicondyle of humerus
The flexor pollicis longus originates in the
Anterior surface of radius; interosseous membrane
Coronoid process and anteromedial surface of ulna; interosseous membrane
The flexor digitorum profundus originates in the
Anterior surface of radius; interosseous membrane
Coronoid process and anteromedial surface of ulna; interosseous membrane
The pronator quadratus muscle originates in the
Distal portion of anterior medial surface of ulna
Distal portion of anterior lateral surface of ulna
The extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, and supinator muscles originate in the
Lateral epicondyle of humerus
Medial epicondyle of humerus
The extensor pollicis longus muscle originates in the
Posterolateral surface of ulna
Anteromedial surface of ulna
The extensor pollicis brevis muscle originates in the
Ventral shaft of radius distal to origin of adductor pollicis longus
Dorsal shaft of radius distal to origin of adductor pollicis longus
The abductor pollicis longus muscle originates in the
Proximal dorsal surfaces of ulna and radius
Lateral epicondyle of humerus
The extensor indicis muscle originates in the
Dorsal shaft of radius
Posterior surface of distal ulna
The iliacus muscle originates in the
Anterior superior iliac spine
Iliac crest
The sartorius muscle originates in the
Anterior superior iliac spine
Anterior inferior iliac spine
The adductor magnus, adductor longus and gracilis muscles originate in the
Superior pubic ramus
Inferior pubic ramus
The pectineus muscle originate in the
Superior pubic ramus
Inferior pubic ramus
The vastus lateralis and vastus medialis muscles originate in the
Inferior pubic ramus
Intertrochanteric line
The gluteus maximus, medius, and minimus muscles originate in the
Lateral surface of the ilium
Medial surface of the ilium
The piriformis muscle originates in the
Posterolateral surface of sacrum
Anterolateral surface of sacrum
The obturator internus muscle originates in the
Inner surface of the obturator membrane
Outer surface of the obturator membrane
The inferior gemellus, quadratus femoris, biceps femoris, semitendinosus, and semimembranosus muscles originate in the
Ischial spine
Ischial tuberosity
The tibialis anterior muscle, extensor digitorum longus, and fibularis (peroneus) longus muscles originate in the
Lateral condyle of tibia
Medial condyle of tibia
The extensor hallucis longus muscle originates in the
Posterolateral fibula shaft
Anteromedial fibula shaft
The fibularis (peroneus) brevis muscle originates in the
Distal midlateral margin of fibula shaft
Distal midlateral margin of the tibia
The gastrocnemius and popliteus muscles originate in the
Lateral condyle of femur
Lateral condyle of tibia
The flexor digitorum longus and soleus muscle originate in the
Posteromedial surface of tibia
Anterolateral surface of tibia
The flexor hallucis longus originates in the
Posteromedial surface of fibula
Posteromedial surface of tibia
The tibialis posterior originates in the
Inferior portion of tibia and fibula;
Superior portion of tibia and fibula
The palatoglossus muscle originates in the
Inferolateral tongue
Anterior surface of the soft palate
The styloglossus and stylohyoid muscles originate in the
Styloid process of the temporal bone
Inferolateral tongue
The mylohyoid muscle originates in the
Inferolateral tongue
Medial surface of the mandible
The geniohyoid muscle originates in the
Inner surface of the mandible
Outer surface of the mandible
The thyrohyoid muscle originates in the
Superior border of scapula
Thyroid cartilage of larynx
The omohyoid muscle originates in the
Superior border of scapula
Thyroid cartilage of larynx
The splenius capitis muscle originates in the
Transverse process of vertebrae T3-C7; inferior half of ligamentum nuchae
Spinous process of vertebrae T3-C7; inferior half of ligamentum nuchae
The infraspinatus muscle originates in the
Supraspinatus fossa of scapula
Infraspinatus fossa of scapula
The teres minor muscle originates in the
Lateral border of dorsal scapula surface
Medial border of dorsal scapula surface
The psoas major muscle originates in the
Transverse processes, bodies, and discs of T12 and lumbar vertebrae L1-L5
Transverse processes, bodies, and discs of T12 and lumbar vertebrae L6-L8
The rectus femoris muscle originates in the
Anterior inferior iliac spine
Anterior superior iliac spine
The superior gemellus muscle originates in the
Ischial tuberosity
Ischial spine
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