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Questions and Answers
What does muscle length testing assess for?
What does muscle length testing assess for?
- Limitations of range of motion (correct)
- Motor nerve supply to the muscles
- Sensory nerve supply to the muscles
- Strength of muscle contraction
What does muscle strength testing determine?
What does muscle strength testing determine?
- Ability to sustain muscle contraction
- Ability to contract a muscle voluntarily (correct)
- Ability to isolate muscle groups
- Sensory nerve supply to the muscles
What do myotome tests assess?
What do myotome tests assess?
- Innervation by a specific spinal nerve (correct)
- Sensory nerve supply to the muscles
- Motor nerve supply to the muscles
- Ability to sustain muscle contraction
What does a dermatome test assess?
What does a dermatome test assess?
What is the purpose of the dermatome test?
What is the purpose of the dermatome test?
What is the typical response to a dull sensation when differentiating between sharp and dull sensations using a reflex hammer?
What is the typical response to a dull sensation when differentiating between sharp and dull sensations using a reflex hammer?
Which part of the body does the dermatome test for upper extremity assess?
Which part of the body does the dermatome test for upper extremity assess?
What is the primary purpose of deep tendon reflex testing?
What is the primary purpose of deep tendon reflex testing?
What is the purpose of orthopedic assessment tests?
What is the purpose of orthopedic assessment tests?
What does a 1+ grading indicate in deep tendon reflex testing?
What does a 1+ grading indicate in deep tendon reflex testing?
Which part of the body does the dermatome test for lower extremity assess?
Which part of the body does the dermatome test for lower extremity assess?
Which myotome is responsible for shoulder abduction?
Which myotome is responsible for shoulder abduction?
Which myotome is associated with thumb extension and ulnar deviation?
Which myotome is associated with thumb extension and ulnar deviation?
Which myotome is responsible for elbow extension and wrist flexion?
Which myotome is responsible for elbow extension and wrist flexion?
Which myotome is responsible for ankle dorsiflexion?
Which myotome is responsible for ankle dorsiflexion?
Which myotome is associated with great toe extension?
Which myotome is associated with great toe extension?
Which myotome is responsible for hip extension?
Which myotome is responsible for hip extension?
Which area of the body does the C1 dermatome test assess?
Which area of the body does the C1 dermatome test assess?
Which myotome is associated with elbow flexion and forearm pronation?
Which myotome is associated with elbow flexion and forearm pronation?
Which part of the body does the T1 dermatome test for upper extremity assess?
Which part of the body does the T1 dermatome test for upper extremity assess?
Which dermatome is responsible for sensation in the big toe?
Which dermatome is responsible for sensation in the big toe?
Which dermatome is associated with sensation in the groin and medial thigh to knee?
Which dermatome is associated with sensation in the groin and medial thigh to knee?
Which dermatome covers the perineum, genitals, and lower sacrum?
Which dermatome covers the perineum, genitals, and lower sacrum?
Which nerve root is associated with the Achilles tendon reflex?
Which nerve root is associated with the Achilles tendon reflex?
Which nerve root is responsible for the biceps stretch reflex?
Which nerve root is responsible for the biceps stretch reflex?
Which nerve root is linked to the triceps stretch reflex?
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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