2016-Anatomical Kinesiology-Axial Muscles PDF

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NAME

ORIGIN

frontal belly:epicranial aponeurosis; occipital belly: lateral superior nuchal line of occipital bone and mastoid process of Occipitofrontalis temporal bone medial margin of Orbicularis Occuli orbit

INSERTION

ACTION(S)

frontal: skin of eyebrows and bridge of nose; occipital belly:epicranial aponeurosis

frontal belly: raises eyebrows, wrinkles forehead; occipital belly: tenses/retracts scalp

skin around eyelids

closes eyes

aponeurosis and zygomatic arch

elevates mandible, closes jaws, assists in protracting/retractin lateral surface of and g mandible, assists lateral mandible angle of mandibular movements ramus

Temporalis

along temporal lines of skull

coronoid process of mandible and anterior border of mandibular ramus

Buccinator

alveolar processes of maxilla and mandible opposite of molar blends into fibers of teeth orbicularis oris

compresses cheeks

Medial Pterygoid

lateral pterygoid plate and adjacent portions of palatine bone and maxilla

elevates mandible, closes jaw, moves mandible laterally

Masseter

lateral surface of lateral pterygoid plate and greater Lateral Pterygoid wing of sphenoid sphenoid around optical canal Superior Rectus sphenoid around optical canal Inferior Rectus Medial Rectus Lateral Rectus

sphenoid around optical canal sphenoid around optical canal

medial surface of mandibular ramus anterior part of the neck of the mandibular condyle superior surface of eyeball inferior, medial surface of eyeball medial surface of eyeball lateral surface of eyeball

elevates mandible, closes jaws, assist in retracting mandible, assists lateral mandible movements

opens jaws, protrudes mandible, moves mandible laterally eye looks up eye looks down eye looks medially eye looks laterally

superior, lateral surface of eyeball inferior, lateral surface of eyeball

eye and eye and

mastoid region of skull and lateral portion of superior nuchal line

both: flex neck; alone: head rotation to opposite side and lateral flexion

Splenius Group

spinous process and ligaments connecting inferior cervical and superior thoracic vertebrae

mastoid process, occipital bone, superior cervical vertebrae

together: extend neck; alone: rotates/laterally flexes neck

Spinalis Group

spinous process of C7/T11-T12/L1-L2, ligamentum nuchae

spinous process of cervical/thoracic vertebrae

extensors

Longissimus Group

mastoid process, transverse processes of c/t/l vertebrae, transverse processes inferior surfaces of lower 10 ribs extensors of c/t/l vertebrae

Superior Oblique Inferior Oblique

sphenoid around optical canal maxilla at anterior portion of orbit

clavicular head: sternal end of Sternocleidomast clavicle; sternal head: oid manubrium

superior borders of ribs, iliac/sacral crests, lumbar Iliocostalis Group spinous processes

rolls, looks down laterally rolls, looks up laterally

cervical transverse processes, inferior surfaces of ribs

extensors

occipital bones, cervical spinous processes

extensors

Semispinalis Group

lower cervical/thoracic vertebrae

Multifidus

sacrum and spinous process of transverse process of the 3rd or 4th more each vertebrae superior vertebrae

extends vertebral column and rotates toward opposite side

Quadratus Lumborum

iliac crest and iliolumbar ligament

together: depress ribs; alone: lateral flexion of vertebral column, fixes floating ribs (11-12) during last rib and exhalation, stabilizes transverse processes diaphragm during of lumbar vertebrae inhalation

Interspinales

spinous process of each vertebrae

spinous process of more superior vertebrae

extends vertebral column

transverse process of transverse process of more superior lateral flexion of Intertransversarii each vertebrae vertebral column vertebrae

Scalene Group

transverse/costal processes of cervical superior surface of vertebrae 1st/2nd rib

elevate ribs, flex neck, rotation

Internal Intercostals

superior border of each rib

inferior border of the more superior rib

depress ribs

External Intercostals

inferior border of each rib

superior border of more inferior rib

elevate ribs

anterior surfaces of Serratus Anterior ribs 1-8

anterior surface of medial border of scapula

laterally rotates and protractes scapula

thoracolumbar fascia, inguinal Internal Obliques ligament, iliac crest

compresses abdomen, depresses ribs, flexes/laterally inferior surfaces of flexes/rotates ribs 9-12, costal cartilages 8-10, linea vertebral column to the same side alba, pubis

external and inferior External Obliques borders of ribs 5-12

external oblique aponeuroses extending to linea alba and iliac crest

compresses abdomen, depresses ribs, flexes/laterally flexes/rotates vertebral column to the opposite side

cartilage of ribs 7-12, iliac crest, thoracolumbar fascia linea alba and pubis

compress abdomen

Rectus Abdominus

superior surface of pubis (around symphysis)

inferior surfaces of cartilage (ribs 5-7), xiphoid process

depress ribs, flexes vertebral column, compresses abdomen

Diaphragm

xiphoid process, ribs 7-12 and associated costal cartilages, anterior surfaces of lumbar vertebrae

central tendon sheet

contraction expands thoracic cavity, compresses abdominopelvic cavity

Transverse Abdominus

INNERVATION

facial nerve (cranial nerve VII) facial nerve (cranial nerve VII)

mandibular branch of trigeminal nerve (cranial nerve V)

mandibular branch of trigeminal nerve (cranial nerve V)

facial nerve (cranial nerve VII) mandibular branch of trigeminal nerve (cranial nerve V) mandibular branch of trigeminal nerve (cranial nerve V) oculomotor nerve (N III) oculomotor nerve (N III) oculomotor nerve (N III) abducens nerve (N VII)

trochlear nerve (N IV) oculomotor nerve (N III) accessory nerve (N XI) and cervical spinal nerves (C2-C3) of cervical plexus

cervical spinal nerves

c/t/l spinal nerves

c/t/l spinal nerves

c/t/l spinal nerves cervical/thoracic spinal nerves cervical, thoracic, and lumbar spinal nerves

thoracic and lumbar spinal nerves cervical, thoracic, and lumbar spinal nerves cervical, thoracic, and lumbar spinal nerves

cervical spinal nerves intercostal nerves (branches of thoracic spinal nerves) intercostal nerves (branches of thoracic spinal nerves) long thoracic nerve (C5-C7)

intercostal nerves 512, iliohypogastric, and ilioinuinal nerves

intercostal nerves 512, iliohypogastric, and ilioinuinal nerves intercostal nerves 512, iliohypogastric, and ilioinuinal nerves

intercostal nerves (T7-T12)

phrenic nerves (C3C5)...