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20 Cards in this Set
- Front
- Back
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pectoralis major
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origin: sternum, clavicle, ribs
insertion: greater tubercle of humerus action: adducts the arm |
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pectoralis minor
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origin: ribs 2-5
insertion: coracoid process of scapula action: abducts scapula |
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serratus anterior
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origin: ribs 1-9
insertion: scapula action: abducts scapula |
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lattissimus dorsi
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origin: ribs, vertebrae, sacrum, and ilium
insertion: humerus action: adducts arm at shoulder joint |
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trapezius
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origin: occipital bone, spines of vertebrae
insertion: clavicle, scapula action: adducts scapula |
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external oblique
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origin: ribs 5-12
insertion: iliac crest and linea alba action: compresses abdomen |
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rectus abdominus
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origin: pubic crest and symphysis
insertion: cartilage of ribs and xiphoid process action: flexes vertebral column |
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internal oblique
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origin: iliac crest
insertion: cartilage of ribs and linea alba action: compresses abdomen |
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transversus abdominus
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origin: iliac crest
insertion: xiphoid process, linea alba action: compresses abdomen |
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diaphragm
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origin: xiphoid process, costal cartilage of ribs
insertion: central tendon action: flattens to increase volume of thoracic cavity |
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infraspinatus
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origin: infraspinous fossa of scapula
insertion: greater tubercle of humerus action: adducts arm at shoulder joint |
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supraspinatus
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origin: supraspinous fossa of scapula
insertion: greater tubercle of humerus action: abducts arm at shoulder joint |
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teres major
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origin: scapula
insertion: humerus action: extends arm at shoulder |
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teres minor
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origin: scapula
insertion: humerus action: extends and adducts arm at shoulder |
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subscapularis
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origin: subscapular fossa of scapula
insertion: lesser tubercle of humerus action: medially rotates arm |
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deltoid
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origin: clavicle, scapula
insertion: deltoid tuberosity of humerus action: abducts arm |
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biceps brachii
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origin: scapula
insertion: radial tuberosity action: flexes arm |
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brachialis
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origin: humerus
insertion: ulna action: flexes forearm at elbow |
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triceps brachii
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origin: scapula and humerus
insertion: olecranon process of ulna action: extends forearm |
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brachioradialis
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origin: humerus
insertion: styloid process of radius action: flexes forearm |
