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Flashcards in Sacrum Lecture Deck (19)
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1

Sacrotuberous ligament will be tight on which side in a somatic dysfunction?

Ipsilateral to the posterior ILA

2

Standing flexion test indicates what kind of problem

Iliosacral

3

Seated flexion test indicates what kind of problem

Sacroiliac

4

Requirements for a full sacral dx:

Standing flexion test/ASIS compression
Seated flexion test
Sulci depth
ILA orientation
Spring/sphinx test

5

In a sacral torsion, L5 rotates in what direction relative to the sacrum?

Opposite

6

In a sacral rotation, L5 rotates in what direction relative to the sacrum?

Same

7

Describe what is indicated by a 0/5 through 5/5 on muscle strength testing.

0/5: absent; no contraction detected.
1/5: trace; slight contraction detected.
2/5: weak; movement with gravity eliminated.
3/5: fair; movement against gravity.
4/5: good; movement against gravity with some resistance.
5/5: normal; movement against gravity with full resistance.

8

Describe what is indicated by a 0/4-4/4 on DTR testing.

0/4: absent; lower motor neuron (LMN) injury.
1/4: diminished; normal/LMN.
2/4: normal; normal.
3/4: brisk with unsustained clonus; normal/UMN.
4/4: brisk, sustained clonus; UMN.

9

L1 innervates:

iliopsoas

10

L2 innervates:

iliopsoas, adductors, quads

11

L3 innervates:

adductors, quads

12

L4 innervates:

anterior tibialis, patellar reflex

13

L5 innervates:

EHL, quads

14

S1 innervates:

peroneus longus/brevis, gastrocnemius, achilles reflex

15

On straight leg raise, pain from 35-70 degrees indicates:

sciatic pain

16

On straight leg raise, pain above 70 degrees indicates:

Hip/joint problem

17

Describe lumbarization of S1.

1st sacral segment NOT fused with remainder of sacrum

18

Describe sacralization of L5

Fusion of L5 to 1st sacral segment; occurs in 3.5% of population
-more common than lumbarization!

19

The nerve root exits above or below the corresponding spinal level?

Below, except in C1-C7