identify the three muscles pectoralis major latissimus dorsi deltoid whose names give you a clue

1. Pectoralis major: "Pectoralis" refers to the chest, and "major" indicates that this muscle is

Identify the three muscles pectoralis major latissimus dorsi...

Transcript

00:01 Hello student here the question is given and the question is different name of the muscles given and what we get the idea from these.

00:07 So first one is the pectoralis major so if we are talking about this this is the pectoralis is the simply pectoralis so this is referred to the chest area so this pectoralis is the major is a large fan -shaped muscle so this pectoralis major is large fan -shaped muscle and that is located in the anterior part of chest or we can say the front part of the chest so it covers the upper part of the chest and it is responsible for so it is cover upper part of chest and mainly responsible for the movement involving the shoulder joint, shoulder joint such as the bringing the arm towards the body or the medial rotation inward rotation of the part or we can say in the case of these abduction, abduction so bringing the arm towards our body as well as the medial rotation or inward rotation of the arm so the name is such as this and if we are talking about the second one this is the latissimus dorsi so as the name suggests it is into the muscles location so it is into muscles location simply this latissimus means latin word and the widest is the simlatissimus so simply this means the widest one and this dorsi refers to the back or the dorsal side so here the simply name suggests here broad and wide muscle located in the posterior part so this is a broad and wide muscles and which is present inside the back part of upper body so it is originated from the lower back of sacrum so this originate from lower back and sacrum and attach, spawn across the mid back and it is going to attach with the upper bone so it is attaches to upper arm bone and this is the humerus one so this muscle is mainly responsible for the movement such as this extension, abduction and the medial rotation so same as the spectoralis major and the third muscles which is given as the deltoid so as the name suggests here this muscle shape as well as the location so here the shape of the muscles is the greek letter delta so here this is the delta and we know this is the greek letter and this sign is the delta so which is a triangular shape of the muscles triangular shape so the deltoid muscles is mainly located in the shoulder region so it is present in this shoulder region and forms the rounded contour of the shoulder and it mainly cover the shoulder joint and the three distinct part is the present in that case so here the anterior one, posterior and the middle one, middle and the posterior so these are the three part of this and deltoid muscles is mainly responsible for the various arm movement and in that case the flexion, extension and this abduction raising arms away from the body, abduction is towards the body and this is the away from the body as well as the rotation so here we can say by the examining of the name of the muscles we can find their general location and the function what are they going to perform...

Question

Identify the three muscles pectoralis major, latissimus dorsi, deltoid whose names give you a clue about where they are located. Explain each answer.

Question

Identify the three muscles pectoralis major, latissimus dorsi, deltoid whose names give you a clue about where they are located. Explain each answer.

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