Download 11 - Torso - Eden High

frontal (1)
parietal (2)
Bones
temporal (2)
nasal (2)
zygomatic (2)
sphenoid (1)
The Torso
maxilla (2)
mandible (1)
Sphenoid
frontal
parietal
sphenoid
temporal
zygomatic
occipital
maxilla
occipital protuberance
mastoid process
mandible
auditory meatus
other structures
Cervical
Atlas
Axis
Intervertebral Disk
• Sutures
Thoracic
‣ joints between skull bones
• Cranial Cavity
‣ space inside skull bones, houses brain
Lumbar
Sacrum
Coccyx
Similarities
• body
• spine
• facets to contact (articulate with
vertebrae above)
• transverse process
• vertebral foramen
Differences
cervical
- holes in
transverse
process
- facets in
transverse
plane
thoracic
- heart
shaped body
- facets on
body for ribs
- facets in
frontal plane
- long spine
body
lumbar
- short spine
- large body
- facets in
sagital plane
articular
process
and
facets
vertebral
foramen
spine
articular
facets
for ribs
articular
process
and
facets
transverse
foramen
transverse
process
Spinal Column Disorders
articular
process
and
facets
Spinal Column Disorders
- excessive curvatures
! Scoliosis
▸Frontal plane
!Lordosis
▸Excessive curves in the
cervical or lumbar regions
!Kyphosis
▸Thoracic vertebrae
tubercle
Manubrium
true ribs
Body
Xiphoid
Process*
Head
Costal
Groove
Shaft
STERNUM
false ribs
floating ribs
* point of attachment
for ligaments and
muscles of abdominal
wall
Rib Cage
Acromion Process
Coracoid Process
• ribs #1-7 - attach by hyaline cartilage
called costal cartilage
• ribs #8-10 - connect 7th costal cartilage
• ribs #11 & 12 - floating ribs
• each ribs articulates with vertebrae
Glenoid Fossa
Subscapular Fossa
Lateral Boarder
Medial Boarder
Inferior Angle
Coracoid Process
Coracoid Process
Acromion Process
Acromion Process
Superior Angle
Supraspinous Fossa
Glenoid Fossa
Scapular Spine
Glenoid Fossa
Infraspinous Fossa
Lateral Boarder
Medial Boarder
Lateral Boarder
Inferior Angle
Ilium
Ischium
Pubis
Sacrum
Sacro-iliac Joint
Sacro-iliac Joint
Iliac Crest
Anterior Superior
Iliac Spine
Posterior Superior
Iliac Spine
Superior Pubic
Ramus
Ischial
tuberosity
Anterior Inferior
Iliac Spine
Posterior Inferior
Iliac Spine
Greater Sciatic Notch
Ischial Spine
Ischial Tuberosity
Lesser Sciatic Notch
Pubic Crest
Acetabulum
Obturator Foramen
Ischio-pubic
ramus
Symphysis Pubis
coccyx
Obturator
Foramen
Muscles
Journal #1
Naming
Journal #1:
Find an article or text reference to
answer the following questions.
Naming Muscles
Submit the questions and a copy of
the reference.
What is D.O.M.S.?
What is it caused by?
How is Lactic Acid involved?
• Action
• ex. flexor carpi ulnaris
• Direction of fibres
• ex. transversus abdominus
• Location of muscle
• ex. tibialis anterior
• Number of divisions/heads
• ex. biceps brachii
• Shape
• ex. trapezium
• Points of attachment
• ex. sternocleidomastoid
Name
Origin
Insertion Function
Application
Muscles of the Neck and Vertebral Column
Name: Splenius
Name:
Sternocleidomastoid
Origin:
C4 - C7 and
T1- T4 (upper thoracic)
Origin:
medial clavicle, manubrium
Insertion:
Mastoid process
(temporal and occipital bone)
Insertion:
mastoid process
Function:
together - neck flexion,
one - neck flexion, rotation
Function:
together - extend head
one - assist in rotation
THE ERECTOR SPINAE GROUP
Name: Spinalis
(most medial)
Origin:
Cervical and Thoracic
vertebrae
Insertion:
C and T vertebrae
(each section
6 vertebrae above)
Function:
extend spine
laterally flex spine
Name: Iliocostalis
(most lateral)
Origin:
Sacrum,
L vertebrae and ribs
Insertion:
ribs and clavicle
Function:
extend and
laterally flex spine
* all are DEEP muscles
*both have
capitis,
cervicis &
thoracis
portions
Name: Longissimus
(middle)
Origin:
transverse process of
C, T and L vertebrae
Insertion:
Mastoid process,
C and T
Function:
Extend and laterally flex
spine and head
Muscles of the Abdominal Wall
Name: Rectus abdominis
Origin:
pubic crest
Insertion:
costal cartilages
of ribs 5-7
The six pack
Function:
flexes trunk
(one side only laterally
flexes trunk)
Name: External Oblique
Origin:
inguinal ligament
linea alba
pubis
iliac crest
Insertion:
outer surface of ribs 5-12
(blends with serratus
anterior)
Function:
flexes trunk
(one side twists trunk to
opposite side)
Inguinal
Ligament
It extends from
the anterior
superior iliac
spine to the
pubic tubercle
in a curved line
which folds
posteriorly.
Name: Internal Oblique
Origin:
inguinal ligament
iliac crest
lumbar fascia
Insertion:
costal cartilages of ribs 8- 10
xiphoid process
linea alba
Function:
flexes trunk
(one side twists
trunk to same side)
Name:
Transverse abdominus
Origin:
costal cartilage of ribs 6-12
lumbar fascia
iliac crest
inguinal ligament
Insertion:
xiphoid process
linea alba
pubis
Function:
compresses abdomen
Muscles that position the scapula
Name: Trapezius
Origin:
base of skull,
ligament of neck,
spines of C7 to T12
Insertion:
scapular spine,
acromium process,
lateral 1/3 of clavicle
Function:
upwards rotation &
adduction of scapula,
extends neck
Name: Rhomboid
Origin:
vertebral spines C7-T5
Name: Levator Scapula
Insertion:
medial border of scapula
Origin:
transverse processes C1C4
Function:
downward rotation &
adduction of scapula
Insertion:
upper medial border
of scapula
Function:
elevates scapula,
downward rotation
Name: Serratus Anterior
Origin:
lateral surface of ribs 1-9
Insertion:
costal or anterior surface of
medial border of scapula
Function:
abducts scapula,
upward rotation of scapula
Name: Pectoralis Minor
Origin:
anterior surface ribs 3-5
Insertion:
coracoid process of scapula
Function:
abducts scapula,
downward rotation of scapula