Kinesiology Muscle Quizzes

Trapezius Origin

1. Medial 1/3 of superior nuchal line and external occipital protuberance

2. Ligamentum nuchae and spinous process of C7

3. Tips of spinous processes of T1-T12

Trapezius Insertion

1. Lateral 1/3 of the clavicle

2. Acromion and crest of the scapula spine

3. Crest of the scapula spine

Trapezius Action

1. Elevation of scapula

2. Adduction of scapula

3. Upward rotation of scapula

4. Retracts scapula

5. Hyperextension of the neck

Trapezius Innervation

1. Spinal accessory (XI)

2. Nerve branches from C3 to C4

Trapezius

Rhomboideus Minor Origin

Ligamentum nuchae and spinous processes of C7, T1

Rhomboideus Minor Insertion

Vertebral/ Medial border of the scapula at the root of the spine of the scapula

Rhomboideus Minor Action

Adduction, elevation and downward rotation of the scapula

Rhomboideus Minor Innervation

Dorsal Scapular Nerve (C5)

Rhomboideus Major Origin

Upper thoracic spinous processes

Rhomboideus Major Insertion

Vertebral/ Medial border of the scapula inferior to the spine of the scapula

Rhomboideus Major Action

Adduction, elevation and downward rotation of the scapula

Rhomboideus Major Innervation

Dorsal Scapular Nerve (C5)

Rhomboid Major and Rhomboid Minor

Levator Scapulae Origin

Transverse process of upper 4 cervical vertebrae

Levator Scapulae Insertion

Vertebral/ medial border of the scapula from its superior angle to its spine

Levator Scapulae Action

Elevation of the scapula

Levator Scapulae Insertion

Dorsal Scapular Nerve (C5), C3, C4

Levator Scapulae

Serratus anterior Origin

Digitations from the upper 8 ribs about midway

Serratus anterior Insertion

Entire length of the vertebral border of the scapula and costal

Serratus anterior Action

1. Abduction of the scapula beginning at the inferior angle

2. Upward rotation of the scapula beginning at the inferior angle

Serratus anterior Innervation

Long thoracic nerve, C5, C6, C7

Serratus Anterior

Pectoralis Minor Origin

Ribs 3,4 and 5 close to their cartilages

Pectoralis Minor Insertion

Coracoid process of the scapula

Pectoralis Minor Action

1. Depression of the scapula

2. Downward rotation of the scapula

3. Raises ribs 3,4,5 in forced inspiration with levator scapulae fixing scapula

Pectoralis Minor Innervation

Medial, pectoral nerve, C8, T1

Pectoralis Minor