Anatomy review Flashcards
(20 cards)
What is the natural curvature of each segment of the spine?
Cervical Lordosis
Thoracic Kyphosis
Lumbar Lordosis
How many bones are typically in the sacrum and coccyx
sacrum: 5
coccyx: 4
A common area of pain and sensitivity in the lumbar spine
Sacroiliac joint
The ilium rotates on the sacrum, as flexion occurs the ilium will rotate ____
as extension occurs the ilium will rotate ____
posteriorly
anteriorly
Large superficial muscles of that involve big movements
glut max, lat, paraspinals, trap
Deeper local muscles that have direct connection to the vertebrae to provide segmental spinal support and control
multifidus, quadrates lumborum
Back pain can be due to the global muscles ______, and the deep local muscles being _____
overfiring, inhibited
A deep stabilizer of the spine that tends to weaken
QL
Major abductor of the hip
glut med
Major deep hip external rotator that could affect the sciatic nerve
piriformis
Deep local muscle with fascia connected to the vertebrae/ pelvis that controls and the supports the SI joint
transversus abdominus
Which of the following abdominal muscles is considered a local muscle group that is capable to assisting with segmental spinal motion control
Transversus abdominis
Impingement of L4 could cause
anterior quad pain
The gluteus maximus is innervated by which of the following nerves?
a) Femoral nerve
b) Superior gluteal nerve
c) Inferior gluteal nerve
d) Sciatic nerve
Answer: c) Inferior gluteal nerve
Which nerve primarily innervates the hip flexor muscle, the iliopsoas?
a) Femoral nerve
b) Obturator nerve
c) Sciatic nerve
d) Lumbosacral nerve
Answer: a) Femoral nerve
The hip abductors, including the gluteus medius and gluteus minimus, are innervated by which nerve?
Answer: c) Superior gluteal nerve
The multifidus muscles, which are important for stabilizing the spine, are innervated by which spinal nerve roots?
medial branches of posterior rami
The piriformis muscle, a hip rotator, is innervated by which nerve?
Answer: c) Nerve to the piriformis (S1-S2)
Which nerve is responsible for innervating the rectus femoris muscle?
Answer: a) Femoral nerve
Which abdominal muscle do we assess when a patient has instability of the lumbar spine
Transversus abdominus