Insertion/Origin Muscles (Scapula) Part 1 with pictures
Supraspinatus
Its origin is the supraspinatus fossa, which muscle is it?
Anterior deltoid
Originates on the lateral one third of the clavicle. Which muscle is it?
False deep chest muscle
The pectoralis minor is a deep back muscle. True or False (explain)
Pectorails
The upper superficial chest muscles are known as?
Middle and lower trapezius
Two parts of this muscle inserts on the spine of the scapula. What is its name
(O) occiput & ligamentum Nuchae (I) lateral 1/3 of the clavicle & acromion
Upper Trapezius where does it originate and insert?
pectoralis minor
Which muscle inserts into the coracoid process of the scapula?
serratus anterior
Which muscle originates on the anterior ribs 1-8?
(O) lower lip of the spine of scapula (I) deltoid tuberosity of the humerus
Deltoid posterior where does it originate and insert
Rhomboids
It's action is to: Retract and rotate the scapula downward. Which muscle is it?
levator scapulae
Its name means "to life the scapula"
(O) transverse process of C1-C4 (I) superior 1/3 of vertebral boarder of scapula
Levator scapulae where does it originate and insert
(O) anterior ribs 1-8 (I) anterior vertebral border of scapula
Serratus anterior where does it originate and insert
Deltoids
The muscle rounds out the shoulder
Pectoralis minor insertion/ coracobrachialis origin
3 muscles have insertion and origins on the coracoid process. Name 2, and whether its an insertion or origin.
Major dorsi major
3 muscles have insertions in and around the "bicipital groove" can you name them?
teres minor, infraspinatus, supraspinatus
3 muscles that insert into the greater tubercle of the humerus.
Upper Trapezius Inserts, anterior deltoid originates
At the lateral third of the classical, 1 muscle inserts and 1 muscle originates, name these muscles and tell which one inserts and which one has its origin there.
(O) lateral 1/3 of the clavicle (I) deltoid tuberosity of the humerus
Deltoid anterior where does it originate and insert
(O) acromion, lateral spine of scapula (I) deltoid tuberosity of humerus
Deltoid middle where does it originate and insert
(O) infraspinatus fossa of scapula (I) greater tubercle of the of the humerus (from lateral posterior side)
Infraspinatus where does it originate and insert
Lower Trap
It's action is to: Depress and rotate the scapula upward. Which muscle is it?
Upper Trap
It's action is to: Elevate and rotate the scapula upward. Which Muscle Is it?
levator scapulae
It's action is to: Elevate the scapula and move the neck laterally. Which muscle is it?
Middle Trap
It's action is to: Pull the scapula medially. Which Muscle is it?
Pectoralis Minor
It's action is to: Rotate forward and depress the scapula. Which muscle is it?
Serratus Anterior
Its action is to: Stabilize the scapula, also upward rotation and protraction of the scapula. Which muscle is it?
Middle Deltoid
Its action is: Abduction (to 90 degrees) of the humerus. Which muscle is it?
Pectoralis Major
Its action is: Adduction, horizontal adduction, medial rotation and flexion of the humerus. Which muscle is it?
Coracobrachialis
Its action is: Flexion and adduction of the humerus. Which Muscle is it?
Anterior Deltoid
Its action is: Flexion and horizontal rotation of the humerus. Which muscle is it?
Subscapularis
Its action is: Medial rotation of the humerus. Which muscle is it?
Posterior Deltoid
Its action is: extension, horizontal abduction, lateral rotation of the humerus. Which muscle is it?
supra spinatus
Its action: initiates abduction of the humerus. Which muscle is it?
Subscapularis
Its origin is the anterior surface of the scapula, which muscle is it?
Subscapularis
Its origin is the anterior surface of the scapula. Which muscle is it?
Infraspinatus
Its origin is the infraspinatus fossa. Which muscle is it?
teres major
Its origin is the lateral border at the inferior angle of the scapula, which muscle is it?
teres major
Its origin is the lateral border at the inferior angle of the scapula. Which muscle is it?
supraspinatus, infraspinatus, teres minor, subscapularis
Muscles that act on upper arm
supraspinatus, infraspinatus, teres minor, subscapularis, deltoids, pectoralis major, latissimus dorsi
Muscles that act on upper arm
Teres minor/Infraspinatus/supraspinatus
Name 3 muscles that insert into the greater tubercle of the humerus.
pectoralis minor, rhomboids, traps, Serratus anterior
Name at least 3 muscles that act on and or support scapula
supraspinatus, infraspinatus, teres minor, subscapularis
Name rotator cuff muscles (SITS)
(O) Medial clavicle, sternum & costal cartilage of ribs 1-6 (I) bicipital groove (lateral ridge of BG superior to lats)
Pectoralis Major where does it originate and insert?
(O) anterior ribs 3,4,5 (I) coracoid process
Pectoralis Minor where does it originate and insert
(O) C7-T5 (I) vertebral border of scapula
Rhomboids where does it originate and insert
C7-T5 to vertebral border
Show where the rhomboids are located
Anterior surface vertebral border of the scapula
Show where the serratus anterior inserts
(O) subscapular fossa (anterior surface of scapula) (I) lesser tubercle of the humerus (from anterior side)
Subscapularis where does it originate and insert
(O) supraspinatus fossa of scapula (I) top of the greater tubercle of the humerus
Supraspinatus where does it originate and insert
Front
The deltoid anterior is located on the ___________side of the shoulder.
deltoid tuberosity
The deltoid has 3 parts; anterior, middle posterior. All of these have the same insertion point. Where?
Serratus
This muscle gets its name from the fact that it looks like the blade of a steak knife
seratus anterior
This muscle inserts into the anterior aspect of the vertebral border of the scapula.
serratus anterior
This muscle inserts into the anterior aspect of the vertebral border of the scapula. Which muscle is it?
Corocobrachialis
This muscle inserts into the middle of the humerus. Which muscle is it?
Coracobrachialis
This muscle inserts into the middle of the medial humerus
levator scapulae
This muscle inserts into the superior third of the posterior aspect of the vertebral border of the scapula.
Latisimus Dorsi
This muscle is commonly referred to as the "lats"
Upper traps
This muscle makes up most of the shoulder
Teres major
This muscle, along with the latissimus dorsi muscle, form the posterior border of hte axilla. Which muscle is it?
Subscapualris
This muscles name means "below or under the scapula"
(O) T5-T12 (I) spine of the scapula
Trapezius Lower where does it originate and insert?
(O) C7-T5 (I) spine of the scapula
Trapezius Middle where does it originate and insert?
Latissimus dorsi and teres major
Two muscle extend, Adduct and medially rotate humerus. Which two?
Teres major
Which muscle along with latissimus dorsi muscle, form the posterior border of the axilla?
pectorails major, latissimus dorsi, teres major aka major dorsi major
Which muscle inserts into the bicipital groove of the humerus?
pectoralis minor muscle
Which muscle inserts into the coracoid process and originates on the anterior ribs 3,4,&5?
Pectoralis minor
Which muscle inserts into the coracoid process?
Upper Trapezius
Which muscle inserts into the lateral one third of the clavicle and the acromion
Pectoralis major
Which muscle inserts into the lateral ridge of the "bicipital grove" superior to the insertion fo the latissimus Dorsi
Upper Trapezius Inserts/anterior deltoids originates
Which muscle inserts into the lateral third of the clavical, and which one originates there?
teres major
Which muscle inserts into the medial ridge of the "bicipital groove" inferior to the insertion of the latissimus dorsi?
levator scapulae
Which muscle inserts into the superior third of the posterior aspect of the vertebral border of the scapula?
Coracobrachialis
Which muscle originates at the "coracoid process" of the scapula and inserts into the humerus
latissimus dorsi
Which muscle originates from T7 (T6) to the iliac crest, across the lower ribs and inferior angle of the scapula?
levator scapulae
Which muscle originates not eh transverse process C1-C4
Lats
Your lower back is mainly which muscle?
trapezius and levator scapulae
elevates scapula
The bicipital groove
latissimus dorsi insertion ________ ________ ________
Supraspinatus
origin is supraspinatus fossa of scapula. Which muscle is it?
Teres minor/Infraspinatus
rotates arm laterally