COMLEX Flashcards
Freyette’s Principle 1
Neutral mechanics Sidebend and Rotate in OPPOSITE directions Multiple segments Creates Lateral Curves Gradual onset
Freyette’s Principle 2
Flexed/ Extended Sidebend and Rotate in SAME direction Single segment Creates flattening or exaggeration of AP curves Abrupt onset
Freyette’s Principle 3
Motion in any single plane modifies motion in other planes
Spine of Scapula is at spinal level
T3
Inferior angle of scapula is at spinal level
T7
Sternal notch is at spinal level
T2
Sternal angle is at which levels anteriorly and posteriorly?
Anterior: 2nd rib
Posterior: T4
Iliac crest is at spinal level
L4
Spinous Process
Rule of 3’s
T1-T3 same level as TP T4-T6 is half level below TP T7-T9 is level of TP below T10 is level of TP below T11 is half level below TP T12 is same level as TP
Superior Facets of cervical spine
Oblique
Face backwards, upwards, medial (BUM)
Superior Facets of thoracic spine
Coronal
Face backwards, upwards, lateral (BUL)
Superior Facets of lumbar spine
Sagittal
Face backwards, medial (BM)
Anatomic Barrier
Anatomy limits motion
Limit of passive motion
Physiologic Barrier
Limit of active motion
5 Models of Osteopathy
Biomechanical/ Structural Model Respiratory-Circulatory Model Metabolic Model Neurological Model (CS, Chapman) Behavioral Model
5 Components of Primary Respiratory Mechanism
Inherent brain motility is the driving force
CSF is hydraulics moving concurrently
Bones of the skull move
Membranes move –> reciprocal tension membrane
Involuntary motion of sacrum
CNS -> CSF -> Dura -> skull -> sacrum = PRM
Normal Rate of Cranial Rhythmic Impulse
Rate 8-14/ min
Factors that Increase CRI
Exercise
Fever
Following OMT of craniosacral mechanism
Factors that Decrease CRI
Stress (physical and emotional)
Depression
Chronic fatigue
Chronic Infections
Pterion is the joint of (4 bones)
Frontal Sphenoid Parietal Temporal *at the temple*
Asterion is the joint of (3 bones)
Occiput
Parietal
Temporal
just above mastoid
Bregma is the junction of (2 sutures)
Coronal
Sagittal
Lambda is the junction of (2 sutures)
Lambdoid
Sagittal
Basion location
Ventral aspect of Foramen Magnum
Opisthion location
Dorsal aspect of Foramen Magnum
Midline Bones pertinent to cranial motion
Sphenoid
Occiput
Sacrum
Paired Bones pertinent to cranial motion
Frontals Parietals Temporals Nasals Zygomas Maxillae
Motion of midline bones
Flexion and Extension
Motion of Paired bones
Internal and External Rotation
_____ influences motion of anterior cranial bones
Sphenoid
_____ influences the motion of bones of posterior cranium
Occiput
During Cranial Flexion SBS \_\_\_\_\_ Sacrum \_\_\_\_\_ Midline bones \_\_\_\_\_ Paired bones \_\_\_\_\_ AP diameter \_\_\_\_\_
SBS rises Sacrum extends (counternutation) Midline bones Flex Paired bones External Rotation ("flEXternal") AP diameter Decreases (widened head)
During Cranial Extension SBS \_\_\_\_\_ Sacrum \_\_\_\_\_ Midline bones \_\_\_\_\_ Paired bones \_\_\_\_\_ AP diameter \_\_\_\_\_
SBS falls Sacrum flexes (nutation) Midline bones Extend Paired bones Internally rotate AP diameter Increases (narrowed head)
Cranial Vault Hold
Forearms on table Index- Great wing Middle- Temporal bone, just anterior to EAM Ring- Petrous temporal Pinky- Occiput Thumbs- Sagittal suture Palms conform to skull
Galbreath Technique
For Otitis Media (drain middle ear) Pt supine, head elevated 30 deg Turn head so affected ear is up Sit on side OPP dysfunction Cephalic hand on forehead Caudad hand on mandible Gently press down and in Repeat every 3-5 sec over 30-60 sec (up to 10-20 mins as needed)
Sphenoid motion during cranial flexion
Sphenoid body rises and slightly anterior
Wings move anterior, laterally, and slightly inferior
*extension motion is opposite
Occiput motion during cranial flexion
Base rises and moves slightly posterior
Squamous portion moves inferior and laterally
*extension motion is opposite
Sphenoid and Occiput circumduct in _____ direction about _____ axis(es)
Circumduct in OPPOSITE directions
About 2 TRANSVERSE axes
Axis of Cranial Torsion
AP
Opposite directions
Cranial torsion is named for
High sphenoid
Axis of Cranial Sidebending Rotation Strain Pattern
2 vertical = sidebend (opposite directions)
AP = rotation (same direction)
Physiologic Cranial Strain Patterns
Torsion
Sidebending Rotation
Pathologic Cranial Strain Patterns
Lateral Strain
Vertical Strain
Sidebending Rotation Cranial Strains are named for
Convex side
Lateral Cranial Strain is named for
Freer motion of sphenoid
Axis of Cranial Lateral Strain
2 vertical axes
Both same direction
Axis of Cranial Vertical Strain
2 transverse axes
Both same direction
Cranial Vertical Strain is named for
Base of sphenoid
Motion testing of Cranial Sidebending Rotation Strain
Inferior motion separates fingers
Superior motion brings fingers together
Internally rotated Temporal bone will cause
High pitched tinnitus
Externally rotated Temporal bone will cause
Low pitched tinnitus
Jaw deviates toward Ext Rot temporal
Occipital-Mastoid Suture Compression can affect _____ and is treated with _____
Can affect Jugular foramen (CN 9. 10, 11)
Treated with V-Spread
CN 2-6 Issues can be caused by a _____ dysfunction
Sphenoid
- CN 2,4,6 = Diplopia
- CN 3,4,6 = Strabismus
- Trigeminal Neuralgia
- Pituitary Dysfunctions
Suckling disorders in Newborn should clue you into
Jugular foramen (CN 9, 10, 11) Compression of occipital condyle (Hypoglossal canal, CN 12)
Typical Cervical Vertebrae
C2-C7
Sidebend and Rotate in SAME direction
Occiput Sidebends and Rotates to _____ side
OPPOSITE
Major motion is flexion and extension
Motion of the Atlas
Rotation only
Superior articular facets of C2-C7 are at a _____ angle
45 deg
Biceps Reflex tests what muscles
Deltoid
Biceps
Biceps Reflex tests what disc and nerve root
Disc C4-C5
Nerve root C5
Biceps Reflex tests sensation to
Lateral Arm
Axillary nerve
Brachioradialis Reflex tests what muscles
Wrist extensors
Biceps
Brachioradialis Reflex tests what disc and nerve root
Disc C5-C6
Nerve root C6
Brachioradialis Reflex tests sensation to
Lateral forearm
Musculocutaneous Nerve
Triceps reflex tests what muscles
Wrist flexors
Finger extension
Triceps
Triceps reflex tests what disc and nerve root
Disc C6-C7
Nerve root C7
Triceps reflex tests sensation to
Middle finger
C8 provides motor innervation to what muscles
Finger Flexors
Hand intrinsics
C8 provides sensation to
Medial forearm
Medial Ant. Brachial Cutaneous Nerve
T1 provides motor innervation to what muscles
Hand intrinsics
T1 provides sensation to
Medial arm
Medial Brachial Cutaneous Nerve
Ulnar Nerve Palsy results in
Claw Hand
- No finger extensors at IP joint
- Permanent flexion of fingers
Median Nerve Palsy results in
Ape Hand
-Inability to oppose thumb
Radial Nerve Palsy results in
Wrist Drop
- No wrist extension
- No forearm extension
Ulnar Nerve can be impinged at what locations
Cubital Tunnel (medial epicondyle) Ulnar/ Guyon's Canal (pisiform, hook of hamate)
Medial Nerve can be impinged at what locations
Pronator Teres Syndrome Carpal Tunnel (flexor retinaculum)
Most common Dysfunction of the Elbow
Cubitus Valgus / ABducted Ulna
Olecranon –> medial
Distal Ulna –> lateral
Wrist is ADducted
Lateral Epicondylitis
Tennis elbow
Overuse
Extensor Carpi Radialis Brevis
Resisted wrist extension
Medial Epicondylitis
Golf Elbow Overuse Pronator Teres and Flexor Carpi Radialis Resisted pronation and wrist flexion "Medial --> Masters --> Golf"
_____ Radial Head favors Supination
Anterior Radial Head
_____ Radial Head favors Pronation
Posterior Radial Head
“P for posterior and pronation”
Radial Head Dysfunction expected from a backward FOOSH
Anterior Radial Head
Muscle Energy for Anterior Radial Head
Posterior pressure on radial head
Pronate hand against resistance
Radial Head Dysfunction expected from a forward FOOSH
Posterior Radial Head
Muscle Energy for Posterior Radial Head
Anterior pressure on radial head
Supinate hand against resistance
Nursemaids elbow
Subluxation of annular ligament
Sudden longitudinal traction to hand
Tx: closed reduction –> either supination or hyperpronation techniques
Spurling’s Test
Nerve root compression
Sidebend, extend, compress neck
+ if reproduces radicular symptoms
Neer’s Test
Impingement / Irritation of Supraspinatus
Shoulder INT ROT and ADducted
Doc passively flexes humerus
“Neer to the ear”
Hawkin’s Test
Impingement of Supraspinatus
Shoulder ADducted and flexed
Doc passively INT ROT humerus
Jobe’s Test (Empty Can Sign)
Tear of Supraspinatus
Arms ABducted and in plane of scapula
Thumbs down and resist down pressure
Speed’s Test
Irritation of Long Head of Biceps Brachii
Arms 90 deg flexion, palms up
Doc presses down on forearm
Apprehension Sign
Anterior and Inferior Instability secondary to shoulder dislocation
Arm ABducted and elbow flexed
Doc pushes shoulder joint from behind
Sulcus Sign
Inferior instability of Glenohumeral joint
Bone sticking out w indent where deltoid should be