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Acromiotrapezius is the middle trapezius muscle. It covers the dorsal and lateral surfaces of the scapula. Its origin is the neural spines of the cervical vertebrae and its insertion is in the metacromion process and fascia of the clavotrapezius.clavotrapezius, acromiotrapezius, spinotrapezius – three muscles in cat, one muscle in human (trapezius).Anatomical note – The spinotrapezius muscle lies dorsally and extends from T4 to L3 along either side of the spine. The anterior border extends laterally to approximately the shoulder blade.
| Origin | Vertebral part: Spinous processes of vertebrae T7-T12, Thoracolumbar fascia Iliac part: Posterior third of crest of ilium Costal part: Ribs 9-12 Scapular part: Inferior angle of scapula |
|---|---|
| Functions | Shoulder joint: Arm internal rotation, Arm adduction, Arm extension; Assists in respiration |
Do humans have Acromiotrapezius?
clavotrapezius, acromiotrapezius, spinotrapezius – three muscles in cat, one muscle in human (trapezius).
Where is the Spinotrapezius located?
Anatomical note – The spinotrapezius muscle lies dorsally and extends from T4 to L3 along either side of the spine. The anterior border extends laterally to approximately the shoulder blade.
Mink Dissection-Clavotrapezius / Acromiotrapezius junction
Images related to the topicMink Dissection-Clavotrapezius / Acromiotrapezius junction
What is the function of the latissimus dorsi in a cat?
| Origin | Vertebral part: Spinous processes of vertebrae T7-T12, Thoracolumbar fascia Iliac part: Posterior third of crest of ilium Costal part: Ribs 9-12 Scapular part: Inferior angle of scapula |
|---|---|
| Functions | Shoulder joint: Arm internal rotation, Arm adduction, Arm extension; Assists in respiration |
Do cats have rhomboids?
The deep muscle group holds the body up towards the scapula when the cat is standing, and is composed of the serratus ventralis, trapezius, and rhomboideus muscles. These insert at the cranial angle and dorsal border of the scapula.
What is the origin of the Acromiodeltoid?
The acromiodeltoid lies posterior to the clavodeltoid. It arises from the acromion process of the scapula and inserts on the spinodeltoid muscle. The spinodeltoid arises from the scapula spine and inserts on the proximal portion of the humerus.
How does the human trapezius differ from the cats?
Humans have a large single trapezius muscle, but the cat has 3 separate muscles. How does the deltoid differ? How do size and orientation of the human gluteus maximus muscle differ from that in the cat?
What is the origin and insertion of the levator scapulae?
Origin and insertion
Levator scapulae originates from the transverse processes of the first four cervical vertebrae. The muscle fibers descend laterally to insert at the superior angle and medial border of scapula, between the superior angle and base of the spine of scapula.
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Acromiotrapezius muscle (cat only)
This is one of the five muscles that are grouped as muscles of the scapula, or sometimes as muscles that moor the scapula. The above drawings of the origin and …
Cat Muscle Origin, Insertion, Function Flashcards | Quizlet
Cat Muscle Origin, Insertion, Function … Clavotrapezius Origin. Occipital Bone. Clavotrapezius Insertion … Acromiotrapezius Origin. Thoracic vertabrae.
What is the origin of the Acromiotrapezius? – WittyQuestion.com
Its origin is the neural spines of the cervical vertebrae and its insertion is in the metacromion process and fascia of the clavotrapezius.
Cat Muscles 5
The spinotrapezius arises from the spinous processes of thoracic vertebrae and inserts on the fascia covering the scapular muscles. Its action is to adduct the …
What is the origin of latissimus dorsi?
Origin of the latissimus dorsi is from spinous processes of thoracic T7–T12, thoracolumbar fascia, iliac crest and inferior 3 or 4 ribs, inferior angle of scapula and insertion on floor of intertubercular groove of the humerus.
What is the origin and insertion of the infraspinatus?
…
Infraspinatus muscle.
| Origin | Infraspinous fossa of scapula |
|---|---|
| Insertion | Greater tubercle of humerus |
| Action | Shoulder joint: Arm external rotation; Stabilizes humeral head in glenoid cavity |
What is the origin insertion and action of the latissimus dorsi?
| Latissimus dorsi | |
|---|---|
| Origin | Spinous processes of vertebrae T7-L5, thoracolumbar fascia, iliac crest, inferior 3 or 4 ribs and inferior angle of scapula |
| Insertion | Floor of intertubercular groove of the humerus |
| Artery | Thoracodorsal branch of the subscapular artery |
| Nerve | Thoracodorsal nerve (C6, C7, C8) |
What is the insertion of the Pectoantebrachialis?
| Muscle Name | Origin | Insertion |
|---|---|---|
| Pectoantebrachialis | Cranial end of sternum | Fascia near the elbow |
| Pectoralis major | Clavicle Sternum Ribs | Humerus |
| Pectoralis minor | Ribs | Scapula |
| Rectus abdominis | Pubis | Sternum |
What does the Spinodeltoid do?
Insertion – Outer surface of spinodeltoid. Action – Flexes and rotates humerus. Origin – Thoracic and lumbar vertebrae.
Trapezius Anatomy: Origin, Insertion Action
Images related to the topicTrapezius Anatomy: Origin, Insertion Action
Do cats fart?
The answer is yes. Cats do get gas. Like many other animals, a cat has gases inside its digestive tract, and this gas leaves the body via the rectum. Cats usually pass gas quietly and there isn’t much odor to it.
Do dogs have rhomboids?
The Rhomboids are also involved in neck extension. When these muscles are tight, the dog loses flexibility with restricted foreleg movements, poor coordination and some loss of power.
Can a cat live without a tongue?
This is a condition where they end up with a “fatty liver” which can lead to death. It was impossible to predict how readily he would be willing to eat after surgery. The tongue must have been sensitive.
Where is the Acromiodeltoid found in humans?
the most superficial muscle of the shoulder, is a continuation of the clavotrapezius, acromiodeltoid, and spinodeltoid. the most anterior muscle of the group is homologous to that part of the human trapezoid that inserts into the clavicle.
Where is Acromiodeltoid?
Acromiodeltoid – This short, thick muscle originates at the acromion process of the scapula. It inserts on the proximal end of the humerus. Spinodeltoid – This is the most posterior muscle of the deltoid group. It originates on the spine of the scapula, to which it runs parallel, and inserts on the humerus.
Where does the deltoid originate?
| Origins | Lateral 1/3 of Clavicle (clavicular part), Acromion (acromial part), Spine of Scapula (spinal part) Mnemonic: ‘Deltoid helps you carry SACS’ |
|---|---|
| Insertion | Deltoid tuberosity of humerus |
| Innervation | Axillary nerve (C5, C6) |
How does the origin of the rectus femoris in the cat differ from that in humans?
How does the origin of the rectus femoris in the cat differ from that in humans? In the cat, the rectus femoris originates entirely from the femur. In the human, it originates from the hip bone.
How does the function of the triceps muscle compare in cats and in humans?
A cat’s triceps brachii is more developed than a human’s, because a cat walks on all fours, and extends it’s forearms a lot more than a human does so it’s muscle needs to be more developed.
How does the biceps Brachii differ?
How does the biceps brachii differ between cats and humans? The human biceps brachii includes two heads of origin, from which its name is devried: a short head at the glenoid fossa and a long head at the coracoid process. The biceps brachii of the cat has only one origin: the glenoid fossa.
What is the origin of the levator scapulae quizlet?
The origin of the levator scapulae muscle is the spinous processes of the upper four cervical vertebrae (C1-4). The medial border of the scapula above the scapular spine is the insertion point of the levator scapulae.
Trapezius – Animated Actions + Anatomy
Images related to the topicTrapezius – Animated Actions + Anatomy
What is the origin of the subscapularis muscle?
The subscapularis muscle originates at the subscapular fossa and inserts into the lesser tubercle of the humerus. The muscle internally rotates and adducts the humerus.
What is the origin of the Subclavius?
The subclavius muscle originates by a strong tendon from the sternal end of the 1st rib, near its articulation with the costal cartilage. The tendon spreads superolaterally into a muscle belly that inserts into the lower surface of the middle third of the body of clavicle (groove for subclavius muscle).
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