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Exam (elaborations)

ENA2 – Questions & Accurate Answers (Well Detailed)

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  • Emergency Nurses Association
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  • Emergency Nurses Association

ENA2 – Questions & Accurate Answers (Well Detailed)

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  • October 13, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Emergency Nurses Association
  • Emergency Nurses Association
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Studyhall
ENA2 – Questions & Accurate Answers (Well Detailed)

Examination is for what? Right Ans - data collection

Handedness pattern posture Right Ans - R hand dominant with Weak R
Glute med and tight R quadratus Lumborum, shifts CoG to Right with a R hip
adduction

Cycle of ABnormal posture Right Ans - muscle imbalance
postural deviation
movement dysfunction
pain/fatigue

Muscle imbalance exists when... Right Ans - a muscle is weak and its
antagonist is strong

Postural muscles Right Ans - slow twitch
tend to be tight/short and strong
ex: upper trap, pec mjr/mnr, iliopsoas, erector spinae, hamstring,
gastroc/soleus

Phasic muscles Right Ans - fast twitch
tend to be weak and long
ex: mid/lower trap, anterior cervical mm., glut med, abs

What does goniometry fail to tell us? Right Ans - the reason for lack of ROM
it doesn't assess arthrokinematic motion

What body segment should the stationary arm be aligned with? Right Ans -
the proximal segment

Reliability Right Ans - consistency of measurement

Validity Right Ans - The ability of a test to measure what it is intended to
measure

Increase in reliability increases validity

, What range are you able to measure within two-joint muscle length
measurements? Right Ans - ~80% of the total joint range
This is due to the muscle being able to only be fully lengthened at one joint
when it is fully shortened at the other.

Active insufficiency Right Ans - agonist muscle cant produce greatest
tension due to being SHORTENED over both joints

Passive insufficiency Right Ans - antagonist muscle cant produce max
tension due to being LENGTHENED over both joints

Muscle length of Hamstrings Right Ans - 90/90: within ~20 degrees of full
extension expected
SLR: within around 80 degrees of hip flexion

Minimum muscle grade against gravity Right Ans - 3/5

Maximum gravity minimized muscle grade Right Ans - 2+/5

Viscosity Right Ans - resistance to flow

Elasticity Right Ans - The ability of tissue to return to resting length after
being passively stretched

Muscle spindle Right Ans - detects change in length

GTO Right Ans - detects change in tension

Functional ROM of knee/ankle for walking Right Ans - Knee: 0-65 degrees
DF: 10 degrees
PF: 30 degrees
GrTExt: 50 degrees

Selective Tissue Tension Testing (STTT) Right Ans - identifies the level of
the lesion
Determines a differential diagnosis of a NM condition

Principles of STTT Right Ans - reproduce the symptom
need pt. cooperation, "Does this change your symptom?"

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