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Normal cervical flexion ROM
60°
Normal cervical extension ROM
80°
Normal cervical rotation ROM
80°
Normal cervical lateral flexion ROM
45°
How much cervical rotation occurs at C1-C2?
40° (50% of total cervical rotation)
How much cervical rotation occurs from C3-C7?
40° (50% of total cervical rotation)
Most cervical rotation occurs where?
Upper cervical spine (C1-C2)
Most cervical lateral flexion occurs where?
Lower cervical spine (~35° of 45°)
Upper cervical coupled motion
Lateral flexion and rotation occur to the SAME side
Lower cervical coupled motion
Lateral flexion and rotation occur to OPPOSITE sides
Protrusion mechanics
Upper cervical extension + lower cervical flexion
Retraction mechanics
Upper cervical flexion + lower cervical extension
What happens to cervical facets during flexion?
Open (move up and forward)
What happens to cervical facets during extension?
Close (move down and back)
What happens to the disc during flexion?
Anterior compression and posterior displacement
What happens to the disc during extension?
Posterior compression and anterior displacement
What happens to the foramina during flexion?
More space
What happens to the foramina during extension?
Less space
What happens to neural tension during flexion?
Increases
What happens to neural tension during extension?
Decreases
Effect of cervical rotation on foraminal size
Ipsilateral decreases, contralateral increases
Effect of cervical lateral flexion on nerve roots/dura
Contralateral tensioning, ipsilateral slackening
Are cervical flexors or extensors stronger?
Extensors
Why are cervical extensors stronger?
Gravity assists flexors
Relative strength of cervical flexors
Flexors are ~60% as strong as extensors
Longus colli function
Dynamic anterior longitudinal ligament, stabilization, prevents hyperextension, counters lordosis
Three stability subsystems
Control (nervous system), Active (muscles), Passive (spinal column)
Primary goal of cervical examination
Rule out red flags and develop a working diagnosis
Most common postural dysfunctions in neck pain
Anterior head carriage, head extension, rounded shoulders/hyperkyphosis, elevated shoulders, scapular winging
Natural history of neck pain
Variable course, recurrent episodes common, complete resolution uncommon
Common risk factors for neck pain
Female sex, middle age, smoking, stress, sleep disorders, sedentary lifestyle
Poor prognostic factors for neck pain
Previous history, older age, sleep disturbance, high-strain job, passive coping
Neck pain with unilateral arm symptoms suggests
Cervical radiculopathy
Neck pain with bilateral arm symptoms and balance issues suggests
Cervical myelopathy
Most common diagnosis causing neck pain
Non-specific/mechanical neck pain
George Costanza method in rehab
Do the opposite of the dysfunction found
Most common cervical trigger point muscles
Upper trapezius and SCM
Where are trigger points actually located?
The brain
Posture exercise prescription
3-5 second holds, 5-10 reps, every 15-20 minutes
Most common cervical directional preference
Extension/lower cervical retraction
Purpose of cervical nodding
Improve upper cervical motion and strengthen deep neck flexors
Repeated retraction/extension loading effect
Can peripheralize symptoms
Purpose of CARs
Improve mobility using active end-range control
Purpose of SNAGs
Improve upper cervical rotation
Purpose of neck planks
Strengthen deep neck flexors
Purpose of positional isometrics
Strengthen deep neck flexors
Purpose of resistance band neck exercises
Strengthen deep neck flexors and reduce neck pain
Wall angels are most useful during which rehab phase?
Functional management (Phase 2/3)
YTWL scapular retractions purpose
Functional scapular strengthening
Wall slides strengthen what?
Deep neck flexors and scapular retractors/depressors
Purpose of prone stability ball pull-aparts
Strengthen deep neck flexors and scapular retractors/depressors
Purpose of sphinx with band
Strengthen deep neck flexors and scapular retractors/depressors
Purpose of prone swimmers
Cervical stability and strengthening
Purpose of DNS positions
Cervical stability and strengthening
Most common thoracic dysfunction
Mobility deficit (especially extension)
Movement hierarchy
Mobility → Motor Control → Functional Patterning
Brugger posture break key components
Sit tall, feet turned out, chin retracted, arms externally rotated, deep breath
Frequency of Brugger posture break
8-10 reps, twice daily
Goals of postural exercise
Restore tonic/phasic balance, reposition spine/ribs/pelvis, improve breathing
Primary inhalation muscle
Diaphragm
Primary exhalation mechanism
Elastic recoil
Benefits of nasal breathing
Parasympathetic activation, improved posture, air filtration, oxygenation, cognition
Effect of inhalation on heart rate
Increases HR
Effect of exhalation on heart rate
Decreases HR
Normal diaphragmatic breathing
Diaphragm descends, abdomen expands cylindrically, bucket-handle expansion
Apical breathing pattern
Excessive chest/sternal elevation
Paradoxical breathing pattern
Abdomen draws inward during inhalation
Signs of faulty breathing
Shallow breathing, rapid breathing, jaw tension, frequent yawning
Breathing retraining focuses on what?
Intra-abdominal pressure and spinal stability
Thoracic mobility exercises
Cat-cow, spinal segmentation, prayer stretch, roll-outs, T-spine extensions, foam roller extensions
Percentage of low back pain that is non-specific
90%
Back pain fact: Is persistent pain usually dangerous?
No
Back pain fact: Does aging cause back pain?
No
Back pain fact: Does imaging usually reveal the cause?
No
Back pain fact: Does pain during movement always indicate harm?
No
Back pain fact: Is back pain caused by bad posture?
No
Back pain fact: Is back pain caused by a weak core?
No
Hyperlordosis muscle imbalance
Overactive erector spinae and hip flexors, inhibited abdominals
Anterior pelvic tilt imbalance
Overactive hip flexors, inhibited glutes and abdominals
Posterior pelvic tilt imbalance
Overactive glutes and hamstrings, inhibited hip flexors and low back
Foot flare imbalance
Overactive external rotators, inhibited internal rotators
Knee valgus imbalance
Overactive adductors, inhibited abductors
Lumbar position during sitting
Flexion
Temporary tissue deformation from sustained posture begins after
~20 minutes
Is sitting commonly aggravating for low back pain?
Yes, often due to sustained flexion
What happens to lumbar extensors during full flexion?
They become silent; passive tissues take over
Is spinal flexion avoidable?
No
Most daily activities require what spinal position?
Flexion
Does flexion commonly aggravate low back pain?
Yes
People without low back pain spend more time in what position?
Extension
People with low back pain spend how much time in extension?
Very little or none
Is flexion during lifting a proven risk factor for low back pain?
No
When are spinal injuries most likely?
Early morning and after prolonged sitting
Primary goal of lumbar rehab
Integrate lumbar spine function with surrounding regions
Best early-stage lumbar stabilization strategy
Segmental stabilization
Primary dysfunctions of the lumbopelvic-hip region
Core instability, breathing dysfunction, hip mobility dysfunction, thoracic dysfunction, poor posterior pelvic tilt control
McGill Big 4 + Dead Bug
Front plank, side plank, curl-up, bird dog, dead bug
Front plank trains
Anterior chain stability
Side plank trains
Lateral chain stability
Curl-up trains
Anterior chain stability