Trunk Flashcards
(31 cards)
How many pairs of spinal nerves are there that are involved in the trunk?
31
Do the ab muscles attach from bone to bone?
No; some sections are linked by fascia and tendinous bands.
Break down the vertebrae
7 cervical 12 thoracic 5 sacral 4 coccyx =24+9
What is the function of the spinal curves?
To allow the spine to absorb blows and shocks.
Do the vertebrae decrease or increase from top to bottom of the column? Why?
increase; to hold the additional weight.
Names of C1 and C2
Atlas and Axis
Describe the 3 types of abnormal spinal curvatures
Lordosis “swayback”. Increased post. concavity of cervical and lumbar curves.
Kyphosis - “humpback”
Lumbar kyphosis - “flat back”
Scoliosis - lateral curves
How many pairs of ribs? True and false?
12
7 true, 5 false.
What’s the name of the first joint?
Atlantooccipital
What is an example of a cervical flex/ext exercise?
Nodding yes.
What type of joint is the atlantoaxial joint?
Pivot
At which joint does most cervical rotation occur?
Atlantoaxial joint
In what 2 spinal regions does most movement occur?
Cervical and lumbar
What is the largest muscle in the trunk?
Erector Spinae
List the muscles of the abdominal wall
Rectus abdominis Internal oblique abdominal External oblique abdominal Transverse abdominis Quadratus lumborum
What neck bone moves when you swallow?
Hyoid
O/I of sternocleidomastoid
O: Manubrium and clavicle
I: mastoid process
What muscle is responsible for breathing at quiet rest?
Diaphragm. Dumbazz.
What is the purpose of the scalene muscles?
To elevate the first 2 ribs to increase thoracic volume.
What muscle is the primary lumbar extensor?
Erector spinae
What movement stretches the entire erector spinae?
Full flexion, such as placing hands on the floor.
Function of the quadratus lumborum?
Stabilizes the pelvis and lumbar spine
What is the most superficial abdominal muscle?
Rectus abdominis
Doing cross-over situps, touching left elbow to right will contract what muscle?
The left External oblique abdominal (EOA) muscle.
