FSMTB Exam MBLEx Topic 3 Question 30 Discussion

Actual exam question for FSMTB's MBLEx exam

Question #: 30
Topic #: 3

[All MBLEx Questions]

Which of the following muscle groupings are considered phasic muscles?

ATriceps brachii, deltoid

BTemporalis masseter

CQuadratus lumborum, cervical erector spinae

DGastrocnemius, soleus

Show Suggested Answer

Suggested Answer: B

Scapulohumeral rhythm exposes the function of the glenohumeral joint by testing at which degree the scapula activates during an initial abduction of the arm. At 45 degrees, the scapula should engage until the end range motion of abduction.

by Devorah at Sep 09, 2024, 03:16 AM

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Blossom

1 months ago

I bet the person who wrote this question has a really 'muscular' sense of humor. Puns and all.

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Jerry

18 days ago

A) Triceps brachii, deltoid

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Markus

1 months ago

C) Quadratus lumborum and cervical erector spinae, no doubt. That's the only option that makes sense for phasic muscles.

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Tesha

16 days ago

Yes, those muscles are responsible for more dynamic movements.

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Frank

18 days ago

I think the other options are more related to tonic muscles.

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Alaine

19 days ago

I agree, Quadratus lumborum and cervical erector spinae are definitely phasic muscles.

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William

2 months ago

Hmm, this one's tricky. I'm leaning towards D) Gastrocnemius and soleus, but I could be totally off. I guess I need to brush up on my muscle groupings.

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Gerald

2 days ago

D) Gastrocnemius, soleus

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Alaine

3 days ago

C) Quadratus lumborum, cervical erector spinae

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Juliana

6 days ago

B) Temporalis, masseter

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Kerrie

1 months ago

A) Triceps brachii, deltoid

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Desire

2 months ago

B) Temporalis and masseter? Really? Those are postural muscles, not phasic. I'm pretty sure the answer is C.

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Verona

2 months ago

I'm not sure, but I think C) Quadratus lumborum, cervical erector spinae are also phasic muscles because they are used for stabilization.

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Ty

2 months ago

I think the correct answer is C) Quadratus lumborum, cervical erector spinae. Phasic muscles are typically involved in dynamic movements, and those muscle groups fit the bill.

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