190
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Temporalis
Origin:
Bone of temporal fossa and temporal fascia
Insertion:
Coronoid process of mandible and ramus of mandible
Innervation: Deep temporal nerves (branches of V3)
Action:
Elevation and retraction of the mandible
HEAD AND NECK
191
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
192
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Medial Pterygoid
Origin:
Medial—Superfi cial Head: Tuberosity and pyramidal process of maxilla
Deep Head: Lateral plate of pterygoid process and pyramidal process of palatine bone
Insertion:
Medial: Medial surface of mandible near angle
Innervation: Medial: Braches of mandibular nerve (V3)
Action:
Medial: Elevation and lateral motion of the mandible
HEAD AND NECK
193
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
194
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Lateral Pterygoid
Origin:
Lateral—Upper Head: Roof of infratemporal fossa
Lower Head: Lateral plate of pterygoid process
Insertion:
Lateral: Capsule of temporomandibular joint and pterygoid fovea on neck of mandible
Innervation: Lateral: Masseteric nerve (branch of V3)
Action:
Lateral: Protrusion and lateral motion of the mandible
HEAD AND NECK
195
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
196
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Obliquus Capitis lnferioris
Origin:
Spinous process of C2
Insertion:
Transverse process of C1
Innervation: Posterior ramus of C1
Action:
Rotation of face to ipsilateral side
HEAD AND NECK
197
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
198
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Longissimus Capitis
Origin:
Transverse processes of T1 to T4 (T5} and articular processes of C4 to C7
Insertion:
Mastoid process
Innervation: Dorsal rami of spinal nerves
Action:
Unilateral: Lateral fl exion of vertebral column
Bilateral: Extension of vertebral column and head
HEAD AND NECK
199
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
200
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Sternocleidomastoid
(Transverse View)
Origin:
Sternal Head: Anterior surface of manubrium
Clavicular Head: Medial third of clavicle
Insertion:
Sternal Head: Lateral half of superior nuchal line
Clavicular Head: Mastoid process
Innervation: Accessory Nerve (CN XI )
Action:
Unilateral: Tilt head toward ipsilateral shoulder to tilt face to contralateral side
Bilateral action: Draws head forward
HEAD AND NECK
201
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
202
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Sternocleidomastoid
(Longitudinal View)
Origin:
Sternal Head: Anterior surface of manubrium
Clavicular Head: Medial third of clavicle
Insertion:
Sternal Head: Lateral half of superior nuchal line
Clavicular Head: Mastoid process
Innervation: Accessory Nerve (CN XI )
Action:
Unilateral: Tilt head toward ipsilateral shoulder to tilt face to contralateral side
Bilateral action: Draws head forward
HEAD AND NECK
203
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
204
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Splenius Capitus
(Transverse View)
Origin:
Lower half of ligatmentum nuchae; Spinous processes of C7 to T12
Insertion:
Mastoid process, skull below lateral third of superior nuchal line
Innervation: Posterior rami of middle cervical nerves
Action:
Unilateral: Draw and rotate head to one side, turn face to ipsilateral side
Bilateral action: Draws head backward
HEAD AND NECK
205
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
206
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Splenius Capitus
(Longitudinal View)
Origin:
Lower half of ligatmentum nuchae; Spinous processes of C7 to T12
Insertion:
Mastoid process, skull below lateral third of superior nuchal line
Innervation: Posterior rami of middle cervical nerves
Action:
Unilateral: Draw and rotate head to one side, turn face to ipsilateral side
Bilateral action: Draws head backward
HEAD AND NECK
207
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
208
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Scalenes
Origin:
Anterior: Transverse processes of C3 to C6
Middle: Transverse processes of C2 to C7
Posterior: Transverse processes of C4 to C6
Insertion:
Anterior: Scalene tubercle and upper surface of rib 1
Middle: Upper surface of rib 1
Posterior: Upper surface of rib 2
Innervation: Anterior: C4 to C7
Middle: C3 to C7
Posterior: C5 to C7
Action:
Anterior and Middle: Elevation of rib 1
Posterior: Elevation of rib 2
HEAD AND NECK
209
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
210
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Levator Scapulae
Origin:
Transverse processes of C1 to C4
Insertion:
Upper medial scapular border
Innervation: C3, C4, and dorsal scapular nerve
Action:
Elevates scapula
HEAD AND NECK
211
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
212
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Longus Capitis
(Transverse View)
Origin:
Transverse processes of C3 to C6
Insertion:
Basilar portion of occipital bone
Innervation: C1 to C4
Action:
Neck fl exion at atlanta-occipital joint
HEAD AND NECK
213
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
214
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Longus Colli
(Longitudinal View)
Origin:
Transverse processes of C5 to T3
Insertion:
Anterior arch of the atlas (C2)
Innervation: C2 to C6
Action:
Head and neck fl exion
HEAD AND NECK
215
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
216
ANATOMIC AND PROCEDURAL ATLAS
Parotid Gland
Innervation: Sensory: Auriculotemporal Nerve (branch
of V); Secretomotor: Fibers run with
auriculotemporal nerve—Postganglionic
parasympathetic fi bers from otic ganglion
Action:
Secretes watery saliva and amylase; Aids in
food bolus formation and oral digestion
HEAD AND NECK
217
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
HEAD AND NECK
218
ANATOMIC AND PROCEDURAL ATLAS
HEAD AND NECK
Submandibular Gland
Innervation: Sensory: Lingual Nerve
Secretomotor: Fibers carried in chorda tympani branch of the facial nerve—
Postganglionic parasympathetic fi bers from submandibular ganglion
Action:
Secretes the majority of baseline saliva in the unstimulated state
219
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
HEAD AND NECK
220
ANATOMIC AND PROCEDURAL ATLAS
TRUNK
Rectus Abdominis
Origin:
Pubic crest, pubic tubercle, and pubic symphysis
Insertion:
Costal cartilage of ribs 5-7 and xiphoid process
Innervation: Anterior rami of lower 7 thoracic spinal nerves (T7-T12)
Action:
Compress abdominal contents, tense abdominal wall, fl ex vertebral column
221
Splenius Capitis (Longitudinal View)
Scalenes
Splenius Capitis (Longitudinal View)
Scalenes
TRUNK
222
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Glenohumeral Joint
(Anterior View)
223
UPPER LIMB
224
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Glenohumeral Joint
(Posterior View)
225
UPPER LIMB
226
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Trapezius
Origin:
Superior nuchal line, ligamentum nuchae, spinous processes of C7-T12
Insertion:
Spine of the scapula, lateral one-third of clavicle
Innervation: Accessory nerve and anterior rami of C3 and C4
Action:
Scapular elevation, retraction, and depression; Scapular rotation dur-
ing humeral abduction
227
UPPER LIMB
228
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Latissimus Dorsi
Origin:
Interspinous ligaments and spinous processes of T7-L5; S1 to 82-3; iliac
crest; lower 3-4 ribs
Insertion:
Intertubercular sulcus of the humerus
Innervation: Thoracodorsal nerve
Action:
Humeral adduction, medial rotation, and extension
229
UPPER LIMB
230
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Teres Major
Origin:
Posterior surface of inferior angle of the scapula
Insertion:
Medial edge of intertubercular sulcus on anterior surface of humerus
(medial to insertion of the latissimus dorsi)
Innervation: Lower subscapular nerve
Action:
Humeral medial rotation and extension
231
UPPER LIMB
232
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Deltoid
Origin:
Inferior edge of spine of the scapula, acromion, lateral one-third of the
clavicle
Insertion:
Deltoid tuberosity of the humerus
Innervation: Axillary nerve
Action:
Arm abduction, assists in arm fl exion, posterior fi bers assist in arm
extension
233
UPPER LIMB
234
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Pectoralis Minor
Origin:
Ribs 3-5 and deep fascia overlying the intercostal spaces
Insertion:
Coracoid process of the scapula
Innervation: Medial pectoral nerve
Action:
Pulls shoulder down, protracts scapula
235
UPPER LIMB
236
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Pectoralis Major
(Longitudinal View)
Origin:
Clavicular head—anterior surface of clavicle
Sternocostal head—anterior surface of sternum, fi rst 7 costal cartilages,
sternal end of 6th rib, aponeurosis of external oblique
Insertion:
Lateral edge of intertubercular sulcus of humerus
Innervation: Medial and lateral pectoral nerves
Action:
Flexion, adduction, and medial rotation of the arm
237
UPPER LIMB
238
ANATOMIC AND PROCEDURAL ATLAS
UPPER LIMB
Pectoralis Major
(Transverse View)
Origin:
Clavicular head—anterior surface of clavicle
Sternocostal head—anterior surface of sternum, fi rst 7 costal cartilages,
sternal end of 6th rib, aponeurosis of external oblique
Insertion:
Lateral edge of intertubercular sulcus of humerus
Innervation: Medial and lateral pectoral nerves
Action:
Flexion, adduction, and medial rotation of the arm
239
UPPER LIMB