Flashcards

Muscles of Neck and Vertebral Column

Mansi Trikha Anatomy & Physiology 1 Inglês 14 flashcards

Flashcards do conjunto (14)

1Suprahyoidelevates hyoid
2DigrasticOrigin: Lower margin of mandible
Insertion: Hyoid
Action: Elevates hyoid (Suprahyoid)
3StylohyoidOrigin: Styloid process of temporal bone
Insertion: Hyoid
Action: Elevates hyoid (Suprahyoid)
4MylohyoidOrigin: Medial aspect of mandible
5GeniohyoidOrigin: Inner surface of mandible
Insertion: Hyoid
Action: Superior and anterior movement of hyoid
6Infrahyoiddepresses hyoid
7OmohyoidOrigin: Scapula
Insertion: Hyoid
Action: Depresses hyoid
8SternohyoidOrigin: Manubrium
Insertion: Hyoid
9ThyrohyoidOrigin: Thyroid cartilage
Insertion: Hyoid
Action: Depresses hyoid
10SternothyroidOrigin: Manubrium and clavicle
Insertion: Thyroid cartilage
Action: Pulls thyroid cartilage inferiorly
11SternoclediomastoidOrigin: Manubrium and clavicle
Insertion: Temporal bone
Action: Prime mover - head flexion
(Anterolateral)
12ScalenesOrigin: Cervical vertebrates (transverse process)
Insertion: First two ribs
Action: Elevates ribs, flex & rotate neck
13Splenius (capitis and cervicis)Origin: Spinous process of C7-T6
Insertion: Temporal and occipital bones (capitis) ; C2-C4, transverse process (cervicis)
Action: Extend head (group muscles), rotate & bend head (individual muscles)
[intrinsic superficial muscles of back]
14iliocostalisOrigin: iliac crests (lumborum); inferior 6 ribs (thoracis) ; ribs 3-6 (cervicis)
Insertion: Angles of ribs (L&T) ; C6-C4
Action: extend vertebral column, bend vertebral column when acting on one side