Shoulder anatomy

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What is the insertion of the pectoralis major?

What is the muscle action shoulder flexion, elbow flexion, supination

what is the muscle origin inferior angle of scapula, insertion- intertubercle groove

which muscles does NOT insert on the scapula?

serratus anterior

What are the actions of the latissimus dorsi?

extension, adduction, internal rotation

what is the muscle insertion C7 - T5

which muscle performs internal rotation?

pectoralis major

what is the action of the teres minor?

external rotation

what is the muscle, insertion-greater tubercle of humerus; action- abduction

supraspinatus

Which of the following is NOT a scapular stabilizer?

Latissimus dorsi

What is the muscle insertion Olecranon process

Triceps Brachii

Which muscle does NOT touch the acromion process?

triceps brachii

What is the insertion of the Rhomboids?

medial border of scapula

which muscle blends into the labrum?

biceps brachii

what muscle does NOT perform extension?

trapezius

what is the action of the middle trap?

retraction

which muscle performs adduction and internal rotation?

teres major

what is the origin of the teres major?

inferior angle

what is the insertion of the coracobrachialis?

medial humerus

what are the actions of the coracobrachialis?

flexion and adduction

what muscle performs abduction?

supraspinatus

which muscle originates on ribs 1-8?

Serratus anterior

Which rotator cuff performs internal rotation of the shoulder?

Subscapularis

What is the action of the lower trapezius?

scapular depression

what is the insertion of the supraspinatus?

Greater tubercle of humerus

what is the origin of the infraspinatus?

infraspinous fossa

Which muscle performs shoulder extension, internal rotation, and adduction?

Latissimus dorsi

Which muscle originates on the lateral border of the scapula?

Teres minor

Which muscle performs adduction

Pectoralis major

What is the action of the triceps brachii

Shoulder extension and elbow extension

What is the action of the supraspinatus?

Abduction

Which muscle originates on the iliac crest and inferior angle of scapula? (among other spots)

latissimus dorsi

what are two muscles that ORIGINATE on the coracoid process?

Biceps brachii and coracobrachialis

Which muscle inserts on the intertubercle groove?

Latissimus dorsi

what is the muscle origin- clavicle, acromion, and spine of scapula; action- flexion, extension, abduction

Deltoid

What is the actions of the upper trap?

scapular elevation

Which two muscles run under the armpit?

Teres major and Latissimus dorsi

Which muscle performs scapular retraction?

Middle trap

what is the muscle: Origin ribs 3-5; Insertion- coracoid process

pec minor

which muscle causes a winged scapula if it is weak?

serratus anterior

which muscle does NOT perform flexion?

triceps brachii

which muscle does not insert on the greater tubercle of humerus?

Subscapularis

What are the actions of the deltoid?

flexion, extension, and abduction

which muscle performs external rotation?

Teres minor

which is the origin of the pectoralis major?

sternum