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Skeletal Muscles
Appendicular Skeletal Muscles
| Question | Answer |
|---|---|
| What are the 4 joints that make up the shoulder muscle? | Scapulothoracic, glenohumeral, acromioclavicular, and sternoclavicular joints. |
| What are the 4 muscles that make up the scapulothoracic joint? | Pectoralis minor, Serratus Anterior, Trapezius, and Levator Scapulae muscles. |
| Pectoralis Minor: Location and Motion? | Location: Anterior thoracic cage Motion: Protracts and downwardly rotates- depresses Scapula |
| Serratus Anterior: Location and Motion? | Location: Lateral thoracic cage Motion: Upward rotation, protraction, and depression of scapula. |
| Trapezius(upper, middle, lower): Location and Motion? | Location: Superior/posterior thoracic cage Motion: Upper-upward rotation, elevation, and retraction of scapula Middle/ Lower- upward rotation, depression, and retraction of scapula. |
| Levator Scapulae: Location and Motion? | Location: Posterior and lateral side of neck Motion: Elevates and abducts scapula |
| Serratus Anterior: Location and Motion? | Location: Lateral thoracic cage Motion: Upward rotation, protraction, and depression of scapula. |
| Trapezius(upper, middle, lower): Location and Motion? | Location: Superior/posterior thoracic cage Motion: Upper-upward rotation, elevation, and retraction of scapula Middle/ Lower- upward rotation, depression, and retraction of scapula. |
| Levator Scapulae: Location and Motion? | Location: Posterior and lateral side of neck Motion: Elevates and abducts scapula |
| What are the 5 muscles the make up the Glenohumeral joint? | Deltoid, Coracobrachialis, Pectoralis Major, Latissimus Dorsi, and Teres Major. |
| Deltoid: Location, Motion, and Innervation? | Location: Superior and Posterior Brachium(upper arm) Motion: Arm Abduction Innervation: Axillary Nerve |
| Coracobrachialis: Location, Motion, and Innervation? | Location: Anterior brachium Motion: Flexor and Abductor Innervation: Musculocutaneous Nerve |
| Pectoralis Major: Location and Motion? | Location: Anterior Thoracic Cage Motion: Adducts and Rotates arm |
| Latissimus Dorsi: Location and Motion? | Location: Posterior Lumbar Region Motion: Extension, internal rotation, and adduction. (aids in rowing) |
| Teres Major: Location and Motion? | Location: Posterior thoracic cage Motion: Extension, internal rotation, and adduction (aids in rowing). |
| What are the 4 scapular muscles that comprise the rotator cuff? | Supraspinatus, Infraspinatus, Teres Minor, and Subscapularis. |
| The glenohumeral and scapulothoracic joints are involuntary movements. True of False? | False |
| The sternoclavicular and acromioclavicular are involuntary movements. True or false? | True |
| Together the rotator cuff muscles function to approximate the head of the _______ into the _____ fossa. | Humerus , Glenoid |
| Supraspinatus: Location and Motion? | Location: Supraspinous Fossa Motion: Abductors |
| Infraspinatus: Location and Motion? | Location: Infraspinous Fossa Motion: External Rotator |
| Teres Minor: Location, Motion, and Innervation? | Location: Posterior thoracic cage Motion: External Rotator Innervation: Axillary Nerve |
| Subscapularis: Location and Motion? | Location: Anterior thoracic cage Motion: Internal Rotator |
| The humeroulnar and humeroradial joints are comprised of what 4 muscles? | Biceps Brachii, Brachialis, Triceps Brachii, and Brachioradialis. |
| Biceps Brachii: Location, Motion, and Innervation? | Location: Anterior brachium Motion: Elbow flexor and supinator of forearm Innervation: Musculocutaneous Nerve |
| Brachialis: Location, Motion, and Innervation? | Location:Anterior brachium Motion: Elbow felxion Innervation: Musculocutaneous Nerve |
| Triceps Brachii: Location, Motion, and Innervation? | Location:Posterior brachium Motion: Elbow Extensor and shoulder extension and adduction Innervation: Radial Nerve |
| Brachioradialis: Location, Motion, and Innervation? | Location: Antibrachium Motion:Forearm supination and pronation/ elbow flexion Innervation: Radial nerve |
Created by:
Anniemal
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