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