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Which muscle is responsible for initiating inhalation?
Suggested Answer: B
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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.
34 comments · newest first
CA
Carin
10 months ago
100% agree, diaphragm is key for inhalation!
MA
Ma
11 months ago
Wait, are you sure? I always thought it was the abdominals.
LO
Lorrine
11 months ago
Diaphragm is the main one, for sure.
CH
Chaya
11 months ago
I thought it was the intercostals?
PE
Pearlene
11 months ago
It's definitely the diaphragm!
HO
Hollis
12 months ago
I’m pretty sure it’s the diaphragm that initiates inhalation. The abdominals seem more involved in exhalation, right?
LO
Louisa
12 months ago
I’m torn between the diaphragm and the intercostals. I feel like the diaphragm is the answer, but I could be wrong.
CA
Carman
12 months ago
I remember practicing a question like this, and I think the intercostals help too, but they’re not the primary ones.
AR
Armando
1 year ago
I think the diaphragm is the main muscle for inhalation, but I’m not 100% sure.
KA
Kallie
1 year ago
I'm a bit confused on this one. I know the respiratory muscles are important, but I can't recall which one is responsible for starting the inhalation process. I'll have to review my notes and try to eliminate the other options.
AD
Adela
1 year ago
The diaphragm is the main muscle that contracts to draw air into the lungs during inhalation, so I'm confident that C is the correct answer.
TU
Tula
1 year ago
Hmm, I'm a bit unsure about this one. I know the intercostals and diaphragm are both involved in breathing, but I can't remember which one specifically initiates inhalation. I'll have to think this through carefully.
NI
Nickolas
1 year ago
I'm pretty sure the diaphragm is responsible for initiating inhalation, so I'll go with option C.
AZ
Azalee
1 year ago
Definitely option B for me. Debugging with breakpoints is the best way to pinpoint the exact location of the logical error in the script. Gotta love that hands-on approach!
LA
Lauryn
1 year ago
Nailed it! The diaphragm is the boss of inhalation. Though I'd love to see someone try to breathe with their pecs.
TH
Thea
1 year ago
The diaphragm, easy peasy. Although I do wonder if the abdominals play a role in forced exhalation. Hmm, maybe I should review my respiratory muscle anatomy.
LA
Lai
1 year ago
User 4: That's correct, the abdominals help with forced exhalation by compressing the abdominal contents and pushing air out of the lungs.
NA
Natalya
1 year ago
User 3: I think the abdominals come into play during forced exhalation to help push air out.
TE
Tegan
1 year ago
User 2: Yes, the diaphragm contracts and moves downward to create space for the lungs to expand.
TE
Teddy
1 year ago
User 1: The diaphragm is responsible for initiating inhalation.
DO
Donte
1 year ago
Haha, I bet the pectoralis major was a trick answer. As if our pecs could power our breathing! Gotta go with the diaphragm on this one.
LA
Lanie
1 year ago
Oof, this one's a tricky one. I'm torn between the diaphragm and the intercostals, but I think the diaphragm takes the cake.
CA
Candida
1 year ago
Actually, you're correct. The diaphragm contracts and moves downward, creating a vacuum that pulls air into the lungs.
GE
Gerry
1 year ago
I think it's the intercostals, they help expand the ribcage during inhalation.
JO
Josephine
1 year ago
I agree, the diaphragm is the primary muscle responsible for initiating inhalation.
CA
Carisa
1 year ago
The diaphragm is the correct answer here. It's the main muscle responsible for initiating inhalation.
DA
Dalene
1 year ago
The diaphragm is the correct answer here. It's the main muscle responsible for initiating inhalation.
EL
Elliot
1 year ago
D) Pectoralis major
LA
Lai
1 year ago
C) Diaphragm
HA
Hana
1 year ago
B) Abdominals
WI
Willie
1 year ago
A) Intercostals
LA
Laticia
1 year ago
I'm not sure, but I think it's either A) Intercostals or C) Diaphragm.
DE
Devorah
1 year ago
I agree with Rodolfo, the diaphragm is responsible for initiating inhalation.
RO
Rodolfo
2 years ago
I think the answer is C) Diaphragm.