Head, Neck And Trunk Muscles Flashcards
Orbicularis oris
O: indirectly from the maxilla, mandible and associated
I: muscles and skin of mouth
Masseter
O: zygomatic arch and maxilla
I: angle and ramus of mandible
Sternocleidomastoid
O: manubrium of sternum and medial portion of clavicle
I: mastoid process of temporal bone
Scalene
O: Transverse processes of C1-C7
I: anterior and lateral surfaces of ribs 1 and 2
Longus Capitus
O: anterior side of transverse processes of C3-C5
I: inferior side of occipital bone
Longus colli
O: transverse processes and anterior bodies of C3-T3 vertebrae
I: transverse processes and anterior bodies of C1-C6
Rectus Capitus
O: anterior surface of C1- Atlas at base of transverse processes
I: inferior side of occipital bone
Platysma
O: subcutaneous fascia of superior chest
I: lower margin of mandible; skin and muscle at the corner of the mouth
Splenius Capitus
O: Nuchal ligament and spinous process of C7-T4
I: mastoid process of temporal bone and occipital bone
Splenius Cervicis
O: Spinous processT3-T6
I: Transverse processes of C1-C3
Semispinalis capitis
O: transverse processes of C7-T6
I: occipital bone between superior and inferior line
Semispinalis Cervicis
O: transverse processes of T1-T5
I: spinous processes of C2-C5
Iliocostalis
O: sacrum, iliac and ribs 3-12
I: Angle of ribs 1-12, transverse processes of C4-C7
Longissimus
O: sacrum, iliac crest, TP of lumber through the cervical vertebrae
I: Ribs 4-12 TPs of T1- T12 and C2-6 and mastoid process
Spinalis (most medial)
O: SPs of t11-L2 and C7 and nuchal ligament
I: SPs of T5-12 and C2
Quadratus lumborum
O: iliac crest
I: transverse processes of upper lumbar vertebrae an lower margin of rib 12
Rectus abdominus
O: Pubic Crest and symphysis
I: xiphoid process of sternum and costal cartilage of ribs 5-7
Bisected by linea alba
Transected (3x) by tendinitis inscriptions- 6(8) pack
External( abdominal) Obliques
O: anterior iliac crest, pubis and abdominal aponeurosis
I: inferior border of ribs 5-12
Internal ( abdominal) oblique
O: lateral 2/3 inguinal ligament and iliac crest
I: lower 3 ribs (10-12) and abdominal aponeurosis
Transverse obliques
O: lateral 1/3 inguinal ligament and lower six costal cartilages ribs ( 7-12)
I: abdominal aponeurosis
Ocularis oculi
O: frontal an maxilla bones
I: tissues of eyelids
