Term
| Anterior Shoulder Muscles |
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Definition
- Pectoralis Major
- Pectoralis Minor
- Serratus Anterior
- Subclavius
- Biceps Brachii
- Coracobrachialis
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Term
| Pectoralis Major Attachments |
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Definition
- Medial 1/3 of Clavicle
- Anterior aspect of Sternum
- Aponeurosis of External Abdominal Oblique Muscle
- Crest of Greater Tubercle of Humerus
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Term
| Pectoralis Major Movements |
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Definition
- Scapulothoracic Movements
- Depression (Sternocostal Portion)
- GH Joint Movements
- Flexion (Clavicular Portion)
- Internal Rotation (both)
- Horizontal Adduction (clavicular portion)
- Adduction (Sternocostal Portion)
- Extension from flexed position to neutral (Sternocostal portion)
- Can't extend beyond neutral
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Term
| Pectoralis Major Nerve Innervation |
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Definition
- Lateral Pectoral Nerve (Clavicular portion)
- Medial Pectoral Nerve (Sternocostal portion)
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Term
| Pectoralis Minor Attachments |
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Definition
- External Surfaces Ribs 3-5
- Coracoid Process of the Scapula
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Term
| Pectoralis Minor Movements |
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Definition
- Scapulothoracic Movements
- Depression
- Downward Rotation
- AC Joint Movements
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Term
| Pectoralis Minor Nerve Innervation |
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Definition
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Term
| Serratus Anterior Attachments |
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Definition
- External surfaces Ribs 1-8
- Medial border of Scapula
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Term
| Serratus Anterior Movements |
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Definition
- Scapulothoracic Movements
- Protraction
- Upward Rotation (Inferior fibers)
- Depression (Inferior fibers)
- Maintains medial border close to ribs (prevents winging)
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Term
| Serratus Anterior Nerve Innervation |
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Definition
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Term
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Definition
- 1st Rib
- Posterior-Inferior Clavicle
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Term
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Definition
- Scapulothoracic Movements
- Stabilizes Clavicle
- Depression
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Term
| Subclavius Nerve Innervation |
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Definition
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Term
| Biceps Brachii Attachments |
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Definition
- Supraglenoid Tubercle of the Scapula (Long Head)
- Coracoid Process of Scapula (Short Head)
- Tuberosity of the Radius
- Deep Fascia of Forearm via Bicipital Aponeurosis
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Term
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Definition
- GH Joint Movements
- Flexion (Long & Short Heads)
- Abduction (Long Head) (when in external rotation)
- Adduction (Short Head)
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Term
| Biceps Brachii Nerve Innervation |
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Definition
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Term
| Coracobrachialis Attachments |
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Definition
- Coracoid Process of the Scapula
- Middle of the shaft of the Humerus
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Term
| Coracobrachialis Movement |
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Definition
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Term
| Coracobrachialis Nerve Innervation |
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Definition
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