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Questions and Answers
What does muscle length testing assess for?
What does muscle strength testing determine?
What do myotome tests assess?
What does a dermatome test assess?
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What is the purpose of the dermatome test?
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What is the typical response to a dull sensation when differentiating between sharp and dull sensations using a reflex hammer?
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Which part of the body does the dermatome test for upper extremity assess?
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What is the primary purpose of deep tendon reflex testing?
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What is the purpose of orthopedic assessment tests?
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What does a 1+ grading indicate in deep tendon reflex testing?
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Which part of the body does the dermatome test for lower extremity assess?
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Which myotome is responsible for shoulder abduction?
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Which myotome is associated with thumb extension and ulnar deviation?
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Which myotome is responsible for elbow extension and wrist flexion?
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Which myotome is responsible for ankle dorsiflexion?
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Which myotome is associated with great toe extension?
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Which myotome is responsible for hip extension?
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Which area of the body does the C1 dermatome test assess?
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Which myotome is associated with elbow flexion and forearm pronation?
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Which part of the body does the T1 dermatome test for upper extremity assess?
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Which dermatome is responsible for sensation in the big toe?
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Which dermatome is associated with sensation in the groin and medial thigh to knee?
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Which dermatome covers the perineum, genitals, and lower sacrum?
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Which nerve root is associated with the Achilles tendon reflex?
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Which nerve root is responsible for the biceps stretch reflex?
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Which nerve root is linked to the triceps stretch reflex?
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Study Notes
Muscle and Nerve Testing
- Muscle length testing assesses for muscle length and flexibility.
- Muscle strength testing determines muscle strength and power.
Dermatome Testing
- Dermatome tests assess sensation in specific areas of the body.
- The primary purpose of the dermatome test is to assess sensation and determine which nerve roots are affected.
- A typical response to a dull sensation when differentiating between sharp and dull sensations using a reflex hammer is a withdrawal or flinching response.
Upper and Lower Extremity Dermatome Testing
- The dermatome test for upper extremity assesses the arms, hands, and fingers.
- The dermatome test for lower extremity assesses the legs, feet, and toes.
Deep Tendon Reflex Testing
- The primary purpose of deep tendon reflex testing is to assess the integrity of the nervous system, particularly the nerve roots and peripheral nervous system.
- A 1+ grading in deep tendon reflex testing indicates a slight but noticeable reflex response.
Myotome Testing
- Myotome tests assess muscle function and strength.
- The myotome responsible for shoulder abduction is C5.
- The myotome associated with thumb extension and ulnar deviation is C8.
- The myotome responsible for elbow extension and wrist flexion is C6 and C7.
- The myotome responsible for ankle dorsiflexion is L4 and L5.
- The myotome associated with great toe extension is L5.
- The myotome responsible for hip extension is L5 and S1.
Specific Dermatome and Myotome Associations
- The C1 dermatome tests assess the area around the occiput and posterior scalp.
- The myotome associated with elbow flexion and forearm pronation is C5 and C6.
- The T1 dermatome tests assess the medial aspect of the arm and forearm.
- The dermatome responsible for sensation in the big toe is L5.
- The dermatome associated with sensation in the groin and medial thigh to knee is L2 and L3.
- The dermatome that covers the perineum, genitals, and lower sacrum is S3 to S5.
Reflexes and Nerve Roots
- The nerve root associated with the Achilles tendon reflex is S1 and S2.
- The nerve root responsible for the biceps stretch reflex is C5 and C6.
- The nerve root linked to the triceps stretch reflex is C7 and C8.
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Description
Test your knowledge about muscle length testing and muscle strength testing, which are used to assess flexibility and the ability to contract muscles voluntarily.