| Term | Definition |
|---|
| Rhomboids | Origin: Spinous process of thoracic vertebrae C7-T1 and T2-5 |
| Rhomboids | Insertion: Medial margin of scapula |
| Rhomboids | Retraction; Downward Rotation of scapula |
| Levator Scapulae | Origin: Transverse processes of cervical vertebrae 1-4 |
| Levator Scapulae | Insertion: Superior angle and upper medial margin of the scapula |
| Levator Scapulae | Elevation of the scapula; lateral flexion of the neck |
| Trapezius | Origin: Nuchal line; Nuchal Ligament; External Occipital Protuberance; Spinous processes of C7 and all Thoracic vertebrae |
| Trapezius | Insertion: Lateral 3rd of clavicle; acromion; scapular spine; root of spine of scapula |
| Trapezius | Elevation; Depression; Upward Rotation and Retraction of the scapula |
| Trapezius | What is the most superficial muscle of the back? |
| Levator Scapulae | What muscle reacts to stress to proctect itself by pulling up on the scapula? |
| Serratus Anterior | Origin: Outer surface of first 8 ribs |
| Serratus Anterior | Insertion: Medial margin of scapula (hint:origin is on the ribs) |
| Serratus Anterior | Protraction; upward rotation; stabilizes the scapula |
| Serratus Anterior | What muscle forms the medial wall of the axila? |
| Pectoralis Minor | Origin: Ribs 3,4,5--next to the cartilidge |
| Pectoralis Minor | Insertion: Coracoid process of the scapula |
| Pectoralis Minor | Protraction; Downward rotation of the scapula |
| Pectoralis Minor | What muscle is part of the anterior wall of the axila? |
| Subclavius | Function: What muscle stabilizes the clavicle? |
| Supraspinatus | Origin: Supraspinous fossa of the scapula |
| Supraspinatus | Insertion: Greater tubercle of humerus (Sits) |
| Supraspinatus | Abduction of shoulder (Sits) |
| Infraspinatus | Origin: Infraspinous foss of the scapula |
| Infraspinatus | Insertion: Greater tubercle of humerus (sIts) |
| Infraspinatus | Lateral rotation of shoulder (sIts) |
| Infraspinatus | What muscle fills the infraspinous fossa? |
| Teres Minor | Origin: Upper lateral margin of the scapula |
| Teres Minor | Insertion: Greater tubercle of humerus (siTs) |
| Teres Minor | Lateral rotation of the shoulder |
| Subscapularis | Origin: Subscapular fossa |
| Subscapularis | Insertion: Lesser tubercle of humerus |
| Subscapularis | Medially rotates the shoulder (sitS) |
| Deltoid | Origin: Lateral 3rd of clavicle; acromion; spine of scapula |
| Deltoid | Insertion: Deltoid tuberosity |
| Deltoid | Flexion & Extension; Medial & Lateral Rotation; Abduction of shoulder |
| Pectoralis Major | Origin: Anterior surface of the sternal half of the clavicle; Anterior surface of sternum; Anterior surface of costal cartiliges |
| Pectoralis Major, Latissimus Dorsi, Teres Major | What 3 muscles insert in the Intertubercular Groove? |
| Pectoralis Major | Adduction and medial rotation; flexion of an extended shoulder; extension of the shoulder |
| Pectoralis Major | What muscle forms the anterior wall of the axila? |
| Teres Major | What muscle is referred to as the "Mini Lat?" |
| Teres Major | Origin: Inferior angle of the scapula |
| Teres Major | Adduction and medial rotation of the shoulder; extension of the flexed shoulder |
| Latissimus Dorsi | Origin: Spinous processes from T7-12; Thoracolumbar fascia; Posterior part of iliac crest from the outside surface of the last 3 ribs |
| Latissimus Dorsi | Adduction and medial rotation of the shoulder; Extension of the flexed shoulder--Broadest muscle of the Back |
| Coracobrachialis | Origin: Apex of the corocoid process of the scapula |
| Coracobrachialis | Insertion: Medial shaft of the humerus |
| Coracobrachialis | Flexes the Shoulder |
| Brachialis | Origin: Anterior surface of the humerus |
| Brachialis | Insertion: Coronoid process and Ulner tuberosity |
| Brachialis | Flexes the elbow |
| Biceps Brachii | Origin: Coracoid process and supraglenoid tubercle of the scapula |
| Biceps Brachii | Insertion: Radial tuberosity and bicipital aponeurosis |
| Biceps Brachii | Supinator; Flexes the elbow and shoulder joint |
| Biceps Brachii | What muscle is not attached to the humerus but lies on it? |
| Triceps Brachii | Origin: Infraglenoid tubercle of scapula |
| Triceps Brachii | Insertion: Olecranon process |
| Triceps Brachii | Extension of the elbow joint and shoulder |
| Triceps Brachii | What is the only muscle in the Posterior Brachial Compartment? |
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