Practical 3 Flashcards
Sternohyoid proximal
Eternal end of clavicle and posterior surface of manubrium and sternum
Sternohyoid distal
Inferior border of body of hyoid bone
Sternohyoid innervation
Ansa cervicalis (C1-C3) from anterior rami of cervical plexus
Sternohyoid action
Depresses hyoid bone
Sternothyroid proximal
Posterior surface of manubrium of sternum and costal cartilage of first rib
Sternothyroid distal
Oblique line of thyroid cartilage
Sternothyroid innervation
Ansa cervicalis (C1-C3) from anterior rami of cervical plexus
Sternothyroid action
Depresses larynx
Thyrohyoid proximal
Oblique line of thyroid cartilage
Thyrohyoid distal
Inferior aspects of body of greater horn of hyoid bone
Thyrohyoid innervation
Branch of anterior family of C1 which accompanies hypoglossal nerve
Thyrohyoid action
Depresses hyoid bone, elevates larynx
Superior belly omohyoid proximal
Intermediate tendon of omohyoid muscle
Superior belly omohyoid distal
Body of hyoid bone
Superior belly omohyoid innervation
Ansa cervicalis (C1) from anterior rami of cervical plexus
Superior belly omohyoid action
Depresses hyoid bone
Inferior belly omohyoid proximal
Superior border of scapula medial to superior scapular notch
Inferior belly omohyoid distal
Intermediate tendon of omohyoid muscle
Inferior belly omohyoid innervation
Ansa cervicalis (C1-C3) from anterior rami of cervical plexus
Inferior belly omohyoid action
Depresses hyoid bone
Anterior belly digastric proximal
Digastric fossa of mandible
Anterior belly digastric distal
Intermediate tendon of digastric muscle
Anterior belly digastric innervation
Digastric branch of nerve to mylohyoid muscle (CN V3)
Anterior belly digastric action
Depresses mandible and elevates hyoid bone