The Pectoral Girdle and Arm BIOL 203 – Summer 2012Instructor: Alexandra Okihiro

Right Scapula(Posterior View)

Left Scapula(Anterior View)

Acromion Process

Coracoid Process

Glenoid Cavity

Spine

Supraspinous Fossa

Infraspinous FossaSuperior Border

Lateral Border

Medial Border

Inferior Angle

Left Humerus (Anterior View)

Head

Capitulum

Lateral EpicondyleMedial Epicondyle

Trochlea

Right Humerus (Posterior View)

Olecranon Fossa

Rhomboideus Major

Rhomboideus Minor

Deltoid

Trapezius

Latissimus Dorsi

Muscles that move the Pectoral Girdle and Arm

Muscles that move the Forearm

1. Biceps Brachii2. Brachioradialis3. Triceps Brachii4. Supinator5. Pronator Teres

1

2

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5

The Pectoral Girdle and Arm

Right Scapula(Posterior View)

Left Scapula(Anterior View)

Left Humerus (Anterior View)

Right Humerus (Posterior View)

Muscles that move the Pectoral Girdle and Arm

Muscles that move the Forearm

1

2

34

5