Download Origin Insertion Action Innervation SHOULDER Origin Insertion

SHOULDER
Origin
Upper trapezius
Occipital bone, nuchal ligament
Middle trapezius
Spinous processes of C7 through
T3
Spinous processes of middle and
lower thoracic vertebrae
Transverse process of first four
cervical vertevrae
Anterior surface, third through
fifth ribs
Lateral surface of the upper eight
ribs
Spinous processes of T2 through
T5
Spinous processes or C7-T1
Lower trapezius
Levator
scapulae
Pectoralis minor
Serratus anterior
Rhomboid
major
Rhomboid
minor
Insertion
Action
Innervation
Outer third of clavicle, acromion
process
Scapular spine
Scapular elevation and upward
rotation
Scapular retraction
Base of the scapular spine
Scapular depression and upward
rotation
Scapular elevation and downward
rotation
Scapular depression, protraction,
and downward rotation
Scapular protraction and upward
rotation
Scapular retraction and downward
rotation
Same as R. major
Spinal accessory (cranial
nerve XI)
Spinal accessory (cranial
nerve XI)
Spinal accessory (cranial
nerve XI)
Third and fourth cervical
nerves
Medial pectoral nerve
Vertebral border of scapula between
the superior angle and spine
Coracoid process of the scapula
Vertebral border of the scapula,
anterior surface
Vertebral border of scapula between
the spine and inferior angle
Vertebral border next to spine
Long thoracic nerve
Dorsal scapular nerve
Same as R. major
GH JOINT
Anterior deltoid
Insertion
Action
Innervation
Lateral third of the clavicle
Deltoid tuberosity
Axillary nerve
Middle deltoid
Posterior deltoid
Acromion process
Spine of scapula
Deltoid tuberosity
Deltoid tuberosity
Pectoralis major,
clavicular and sternal
portions
subclavius
Medial third of clavicle, sternum, costal cartilage
of first six ribs
Anchors and depresses clavicle
C5 and C6
Latissimus dorsi
Spinous processes of T7 through L5 (via
dorsolumbar fascia), posterior surface of sacrum,
iliac crest, and lower three ribs
Lateral lip of
bicipital groove of
humerus
Inferior surface of
middle 3rd of clavicle
Medial lip of
bicipital groove of
humerus
Shoulder flexion, medial rotation,
horizontal adduction
Shoulder abduction
Shoulder extension,
hyperextension, lateral rotation,
horizontal abduction
Shoulder adduction, medial
rotation, horizontal adduction
Shoulder extension, adduction,
medial rotation, hyperextension
Thoracodorsal nerve
Origin
Juction of 1st rib and it’s costal cartilage
Axillary nerve
Axillary nerve
Lateral and medial
pectoral nerve
TRUNK
Scalenes
Rectus
abdominis
Origin
Transverse processes of the
cervical vertebrae
Superior surface of Pubis on
either side of symphysis
Insertion
Action
Innervation
First and second rib
Bilateral: Assists in neck flexion,
Unilateral: Neck lateral bending
Trunk flexion, flexes of vertebral column;
compression of abdomen
Lower cervical nerve
Bilateral: Trunk flexion; compression of
abdomen, Unilateral: Lateral bending;
rotation to opposite side
Bilateral: Trunk flexion; compression of
abdomen, Unilateral: Lateral bending;
rotation to same side
Compression of abdomen
Eighth through twelfth
intercostals, iliohypogastric,
and ilioinguinal nerves
Eighth through twelfth
intercostals, iliohypogastric,
and ilioinguinal nerves
Seventh through twelfth
intercostals, iliohypogastric,
and ilioinguinal nerves
External
oblique
Lower eight ribs laterally
Inferior surface of costal
cartilages of fifth, sixth, and
seventh ribs
Iliac crest and linea alba
Internal
oblique
Inguinal ligament, iliac crest,
thoracolumbar fascia
Tenth, eleventh, and twelfth
ribs; abdominal aponeurosis
Transverse
abdominis
Inguinal ligament, iliac crest,
thoracolumbar fascia, and last six
ribs
Abdominal aponeurosis and
linea alba
Spinous processes of inferior
thoracic and superior lumbar
vertebral
Board aponeurosis and transverse
processes of inferior thoracic and
superior lumbar vertebra
Transverse processes of T6-T10
Spinous processes of
superior thoracic vertebra
Bilateral: Extension of vertebral column,
Unilateral: Lateral bend
Thoracic and lumbar spinal
nerves
Transverse processes of
superior thoracic vertebra
and inferior surface of ribs
Spinous processes of C5-T4
Same as above
Same as above
Superior borders of inferior seven
ribs
Upper ribs and transverse
process of last cervical
vertebra
Inferior six ribs
Erector spinae
Spinalis
thoracis
Longissimus
thoracis
spinalis
thoracis
Iliocostalis
thoracis
Iliocostalis
Lumborum
Diaphragm
Quadratus
Lumborum
Iliac crest
Xiphoid process, ribs, lumbar
vertebra
Iliac crest and iliolumbar
ligament
Bilateral extension, Unilateral lateral
rotation to opposite side
Stabilizes thoracic vertebra during
extension
Seventh through twelfth
intercostals nerves
Thoracic spinal nerves
Same as above
Same as above
Lumbar spinal nerves
Central tendon
Inspiration
Phrenic nerve
Inferior border of 12th rib
and first four lumbar
vertebrae
Bilateral: pull 12th ribs inferiorly during
forced exhalation. Fix 12th rib during
deep inhalation. Extend lumbar portion of
spine.
Unilateral: Laterally flex vertebral
column
T12, L1-L4