Guided Notes for PPT#5 Muscles Acting on shoulder and upper Limb Name:______

What is compartment syndrome?______

What kind of procedure can treat this?______

Shoulder muscles originate______and insert on the______

The scapula is loosely attached to the thoracic cage which allows for:______

______.

The Clavicle actually ______and moderates movement.

Anterior muscles of pectoral Girdle that act upon the Scapula & Clavicle

Pectoralis Minor:______Anterior View

______

Serratus Anterior______

______

Subclavius muscle______

In the posterior view:

Label and describe the four major muscles

Trapezius______

Levator scapulae______

Rhomboideus Minor______

Rhomboideus Major______

Please also label these muscles:

Supraspinatus

Infraspinatus

Teres Minor

Teres Major

label the actions and

the muscles responsible

Please note that individual

Muscles can contribute to

Multiple actions.

Muscles of the Arm:

______muscles cross the shoulder joint and insert on the humerus.

Two are AXIAL because they______

These are: Pectoralis Major______

Latissimus Dorsi______

Seven are scapular muscles because they originate on ______

These are: Deltoid_______

Teres Major______

Coracobrachialis______

Rotator Cuff Muscles:

S Supraspinatus

I Infraspinatus See these on the above image and label

T Teres minor

S Subscapularis-----below Inside the scapula

Muscles Acting on Forearm

Elbow and forearm are capable of ______

And are carried out by muscles in the brachium(______) and ______

______(forearm)

Elbow flexors: Principal flexor: Brachialis______

Synergistic flexor: Biceps Brachii______

Brachioradialis______

Elbow extensor: Principal Extensor: Triceps brachii______

label these:

Most muscles in the forearm act on the ______

Anconeus______

Pronator quadratus______

Pronator Teres______

Supinator______

Anterior muscles acting on the wrist and hand:

Identify:

Flexor carpi radialis

Flexor carpi ulnaris

Palmaris longus

Summarize the action of the anterior muscles acting on the wrist and hand.

Posterior Muscles acting on the Wrist and Hand

Identify:

Extensor carpi ulnaris

Extensor digiti minimi

Extensor carpi radialis longus

Extensor carpi radialis brevis

Extensor digitorum

Abductor pollics longus

Extensor pollicis brevis

Summarize the actions of the

Muscles acting on wrist and hand:

Describe what is happening in Carpal Tunnel Syndrome?

Use the picture and labels to help you describe.

What are the three groups of hand muscles?

No need for minute details