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Shoulder joint and Girdle
Muscles and bone structures
46
Anatomy
Undergraduate 1
01/26/2010

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Cards

Term
Origin and Insertion of the Rhomboid Muscle
Definition

Origin - Spinous processes of C-7 and T 1 through 5

 

Insertion - Medial border of scapula below the spine

Term
Name the Four Muscles of the Rotator Cuff
Definition
SITS.
Suprasinatus, Infraspinatus, Teres Minor, Subscapularis.
Term
Movement in the sagittal plane must occur along this axis
Definition
Frontal Axis
Term
Origin and Insertion of the Levator Scapulae
Definition
Origin - Transverse processes of C 1 through 4

Insertion - superior angle above the spine
Term
These muscles have a broad origin and a single tendinous attachment
Definition
Convergent Muscles
Term
Origin and Insertion of the Coracobrachialis
Definition
Origin - Coracoid process of Scapula

Insertion - Middle of the medial border of the humeral shaft
Term
This muscle is the prime mover responsible for joint movement during contraction
Definition
The Agonist
Term
Origin and Insertion of the Pectoralis Minor
Definition
Origin - Anterior surfaces of third to fifth rib

Insertion - Coracoid process of the scapula
Term
Origin and Insertion of the Serratus Anterior
Definition
Origin - Surfaces of upper nine ribs of side of chest

Insertion - Anterior aspect of whole length of medial border of scapula
Term
Origin and Insertion of Latissimus Dorsi
Definition
Origin - Posterior crest of illium, back of sacrum and spinous processes of lumbar and lower 6 thoracic, Lateral aspect of lower three ribs

Insertion - Medial side of intertubercular groove of humerus
Term
During elbow flexion, the tricep (posterior part of the upper arm) is considered to be this
Definition
The antagonist
Term
Origin and Insertion of the Subclavius
Definition
Origin - Superior aspect of first rib at it's junction with it's costal cartilage

Insertion - Inferior groove in the midportion of the clavicle
Term
How would you describe the knee in relation to the ankle?
Definition
The knee is proximal to the ankle
Term
These muscles assist the agonist but are not the primary movers
Definition
The synergist
Term
Origin and Insertion of the Pectoralis Major
Definition
Origin - Medial half of anterior surface of clavicle, anterior surface of costal cartilages and first six ribs, adjoining portion of sternum
Term
Origin and Insertion of Supraspinatus
Definition
Origin - Medial two-thirds of supraspinious fossa

Insertion - superior aspect of greater tubercle of humerus
Term
Origin and Insertion of the Trapezius
Definition
Origin - Base of skull, occipital protuberance, posterior ligament of neck, spinous processes of C-7 and all thoracic vertebrae

Insertion - Posteior aspect of lateral third of clavicle, medial border of acromion process and upper border of scapular spine, triangular space at base of scapular spine
Term
Lateral Movement of the foot in the frontal plane
Definition
Eversion
Term
Origin and Insertion of the Infraspinatus
Definition

Origin - Infraspinous Fossa

 

 Insertion - greater tubercle of humerus on the posterior side

Term
This type of cartilage is flexible and resilient, also referred to as "articular" cartilage
Definition
Hyaline cartilage
Term
Origin and Insertion of the Deltiod Muscle
Definition
Origin - Anterior lateral third of clavicle, lateral head of acromion, inferior edge of spine of scapula

Insertion - deltoid tuberosity on lateral humerus
Term
The joint movement is described by a decrease in joint angle in the sagittal plane
Definition
Flexion
Term
This type of muscle has a single tendon with oblique fibers running along only one side
Definition
Unipennate
Term
Origin and Insertion of the Teres Major
Definition
Origin - Inferior third of lateral border of scapula

Insertion - Medial lip of intertubercular groove of humerus
Term
Origin and Insertion of Teres Minor
Definition
Origin - Posterior scapula, lateral border

Insertion - Greater tubercle of humerus, posterior side
Term
A muscle shortens as it develops tension. What type of contraction is that?
Definition
Isotonic concentric
Term
What is the term for "maintenance of a stable internal environment"
Definition
Homeostasis
Term
The joint movement is described lateral movement away from the midline of the body in the frontal plane
Definition
Abduction
Term
These muscles have a single tendon with oblique fibers running along either side
Definition
Bipennate
Term
Internal rotation of the radius in the transverse plane is called
Definition
Pronation
Term
Origin and Insertion of the Subscapularis
Definition
Origin - Entire anterior surface of subscapular fossa

Insertion - Lesser tubercle of humerus
Term
Coracoid Process
Definition
a small hook-like structure on the lateral edge of the superior anterior portion of the scapula.
Term
Acromion
Definition
It is a continuation of the scapular spine, and hooks over anteriorly.
It articulates with the clavicle to form the acromioclavicular joint.
Term
Lateral Angle
Definition
the thickest part of the scapula, it is directed lateralward and forward and articulates with the head of the humerus;
Term
Lateral Border
Definition
begins above at the lower margin of the glenoid cavity, and inclines obliquely downward and backward to the inferior angle.
Term
Suprascapular Notch
Definition
a notch in the lateral part of the upper border of the scapula, just next to the base of the coracoid process
Term
Superior Angle
Definition
formed by the junction of the superior and vertebral borders, is thin, smooth, rounded, inclined somewhat lateralward
Term
Supraspinous Fossa
Definition
smaller than the infraspinatous fossa, is concave, smooth, and broader at its vertebral than at its humeral end; its medial two-thirds give origin to the Supraspinatus
Term
Spine of the Scapula
Definition
a prominent plate of bone, which crosses obliquely the medial four-fifths of the scapula at its upper part, and separates the supra- from the infraspinatous fossa.
Term
Infraspinous Fossa
Definition
much larger than the supraspinatous fossa; toward its vertebral margin a shallow concavity is seen at its upper part; its center presents a prominent convexity, while near the axillary border is a deep groove which runs from the upper toward the lower part.
Term
Medial Border
Definition
the longest of the three borders, and extends from the medial to the inferior angle.
Term
Glenoid Cavity
Definition
On the lateral angle of the scapula is a shallow pyriform, articular surface,
Term
Inferior Angle
Definition
thick and rough, is formed by the union of the vertebral and axillary borders; its dorsal surface affords attachment to the Teres major and frequently to a few fibers of the Latissimus dorsi.
Term
Superior Border
Definition
the shortest and thinnest it is concave, and extends from the Superior angle to the base of the coracoid process.
Term
Subscapular Fossa
Definition
It provides an attachment for the subscapularis muscle.
Term
medial movement of the foot in the frontal plane
Definition
Inversion
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