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Supraspinous fossa of the Scapula
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∙ 12y ago
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Fixed attachment of a muscle?
origin
The less movable attachment point of a muscle is called the?
Origin
Define Origin and insertion?
origin is where the muscle stars (generally the proximal attachment or in some cases medial) insertions is where the muscle ends (generally the distal or lateral attachment) for example the origin of the bicep would be the shoulder while the insertion is the elbow
Is the most stationary end of the muscle called the origin?
yes
During muscle contraction the moves toward the?
the insertion moves toward the origin
Name the muscle in the pig and in the human that occupies the fossa above the spine of the scapula?
supraspinatus
What is the para scapular muscle?
The muscle that you are looking for is probably the supraspinatus
Which muscle do you contract when you flex your arm?
supraspinatus muscle
What muscle inserts on the greater tubercle of humerus?
supraspinatus
What is the abductor of the upper arm?
Abduction of the arm occurs in three segments, and hence is performed by three different sets of muscles. From 0-15 degrees, the arm is abducted by the Supraspinatus muscle. From 15-90 degrees, the arm is abducted by the Deltoid muscle. From 90-180 degrees, the arm as abducted by the Trapezius muscle with help from the Serratus Anterior muscle.
Where is the supraspinatus muscle originates in the medial rotation of the scapula?
Center of the shoulderblade and attaches to the spine.
What are the muscles that contribute to the rotator cuff?
1- Supraspinatus and its function is to abduct the arm ,and it's innervated by the Suprascapular nerve. 2- Infraspinatus muscle and its function is to externally rotate the arm ,and it's innervated by the Suprascapular nerve. 3- Teres minor muscle and its function is to externally rotate the arm ,and it's innervated by the Axillary nerve. 4- Subscapularis muscle and its function is to internally rotate the humerus ,and it's innervated by the Upper and Lower subscapular nerve.
What is the medical term for a muscle with two points of origin?
The prefix bi- will be in front of the muscle name. For example bicep.
What Muscle adducts and rotates the scapula laterally?
Name of the muscle is trapezious. It has an extensive origin from spines of verebral column.
What is the prime mover of shoulder abduction?
The prime muscle differs depending on the degree of abduction. From 1 to 20 degrees it is the supraspinatus muscle, from 20 to 90 degrees it is the deltoid and from 90 degree and above the action is done by that rotate the scapula (trapezius and serratus anterior).
What is the medical term meaning the point at which a muscle begins?
Origin.originOriginorigin
What is an origin tendon?
The origin refers to the muscle attachment that is more stable. The tendon that attaches the muscle to its origin can be called the origin tendon,
