The Hand Word Scramble
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| Term | Definition |
| Flexor Digitorum Superficialis- Origin | Common flexor tendon on medial epicondyle, coronoid process, & radius |
| Flexor Digitorum Superficialis- Insertion | Sides of middle phalanx of 4 fingers |
| Flexor Digitorum Superficialis- Nerve Innervation | Median nerve (C7, C8, T1) |
| Flexor Digitorum Superficialis- Action | Flexes MCP & PIP joints of fingers |
| Flexor Digitorum Profundus- Origin | Upper ¾ of ulna |
| Flexor Digitorum Profundus- Insertion | Distal phalanx of 4 fingers |
| Flexor Digitorum Profundus- Nerve Innervation | Median & Ulnar nerves (C8, T1) |
| Flexor Digitorum Profundus- Action | Flexes all 3 joints (MCP, PIP, and DIP) of fingers |
| Flexor Pollicis Longus- Origin | Anterior surface of radius |
| Flexor Pollicis Longus- Insertion | Distal phalanx of thumb |
| Flexor Pollicis Longus- Nerve Innervation | Median nerve (C8, T1) |
| Flexor Pollicis Longus- Action | Flexes all 3 joints ( CMC , MCP, and IP) of thumb |
| Abductor Pollicis Longus- Origin | Posterior radius, interosseous membrane, middle ulna |
| Abductor Pollicis Longus- Insertion | Base of the 1st metacarpal |
| Abductor Pollicis Longus- Nerve Innervation | Radial nerve (C6, C7) |
| Abductor Pollicis Longus- Action | Abducts thumb (CMC) |
| Extensor Pollicis Brevis- Origin | Posterior distal radius |
| Extensor Pollicis Brevis- Insertion | Base of proximal phalanx of thumb |
| Extensor Pollicis Brevis- Nerve Innervation | Radial nerve (C6, C7) |
| Extensor Pollicis Brevis- Action | Extends CMC and MCP joints of thumb |
| Extensor Pollicis Longus- Origin | Middle posterior ulna & interosseous membrane |
| Extensor Pollicis Longus- Insertion | Base of distal phalanx of thumb |
| Extensor Pollicis Longus- Nerve Innervation | Radial nerve (C6, C7, C8) |
| Extensor Pollicis Longus- Action | Extends all 3 joints (CMC, MCP, & IP) of thumb |
| Extensor Digitorum- Origin | Lateral epicondyle of humerus |
| Extensor Digitorum - Insertion | Base of distal phalanx of 2nd- 5th fingers |
| Extensor Digitorum - Nerve Innervation | Radial nerve (C6, C7, C8) |
| Extensor Digitorum - Action | Extends all 3 joints (MCP, PIP, & DIP) of the fingers |
| Extensor Indicis- Origin | Posterior surface of distal ulna |
| Extensor Indicis- Insertion | Base of distal phalanx of 2nd finger |
| Extensor Indicis- Nerve Innervation | Radial nerve (C6, C7, C8) |
| Extensor Indicis- Action | Extends all 3 joints of 2nd finger (MCP, PIP, & DIP) |
| Extensor Digiti Minimi- Origin | Lateral epicondyle of humerus |
| Extensor Digiti Minimi- Insertion | Base of distal phalanx of 5th finger |
| Extensor Digiti Minimi- Nerve Innervation | Radial nerve (C6, C7, C8) |
| Extensor Digiti Minimi- Action | Extends all 3 joints of 5th finger (MCP, PIP, & DIP) |
| Flexor Pollicis Brevis- Origin | Trapezium & flexor retinaculum |
| Flexor Pollicis Brevis- Insertion | Proximal phalanx of thumb |
| Flexor Pollicis Brevis- Nerve Innervation | Median nerve (C6, C7) |
| Flexor Pollicis Brevis- Action | Flexes CMC & MCP joints of thumb |
| Abductor Pollicis Brevis- Origin | Scaphoid, trapezium, flexor retinaculum |
| Abductor Pollicis Brevis- Insertion | Base of proximal phalanx of thumb |
| Abductor Pollicis Brevis- Nerve Innervation | Median nerve (C6, C7) |
| Abductor Pollicis Brevis- Action | Abducts thumb (CMC joint) |
| Opponens Pollicis- Origin | Trapezium & flexor retinaculum |
| Opponens Pollicis- Insertion | First metacarpal |
| Opponens Pollicis- Nerve Innervation | Median nerve (C6, C7) |
| Opponens Pollicis- Action | Opposes thumb (CMC joint) |
| Adductor Pollicis- Origin | Capitate, base of 2nd & palmar surface of 3rd metacarpals |
| Adductor Pollicis- Insertion | Base of proximal phalanx of thumb |
| Adductor Pollicis- Nerve Innervation | Ulnar nerve (C8, T1) |
| Adductor Pollicis- Action | Adducts thumb (CMC joint) |
| Dorsal Interossei- Origin | Adjacent metacarpals |
| Dorsal Interossei- Insertion | Base of proximal phalanx |
| Dorsal Interossei- Nerve innervation | Ulnar nerve (C8, T1) |
| Dorsal Interossei- Action | Abduct fingers at MCP joint |
| Palmar Interossei- Origin | Base of 1st, 2nd, 4th, & 5th metacarpals |
| Palmar Interossei- Insertion | Base of proximal phalange of respective proximal phalanx |
| Palmar Interossei- Nerve Innervation | Ulnar nerve (C8, T1) |
| Palmar Interossei- Action | Adduct fingers at MCP joint |
| Lumbricals- Origin | Tendon of flexor digitorum profundus |
| Lumbricals- Insertion | Tendon of extensor digitorum |
| Lumbricals- Nerve Innervation | 2nd & 3rd: Median 4th & 5th: Ulnar |
| Lumbricals- Action | Flexes MCP while extending PIP, DIP |
| Flexor Digiti Minimi- Origin | Hamate & flexor retinaculum |
| Flexor Digiti Minimi- Insertion | Base of proximal phalanx of 5th finger |
| Flexor Digiti Minimi- Nerve Innervation | Ulnar nerve (C8, T1) |
| Flexor Digiti Minimi- Action | Flexes CMC & MCP joints of 5th finger |
| Abductor Digiti Minimi- Origin | Pisiform & flexor retinaculum |
| Abductor Digiti Minimi- Insertion | Base of proximal phalanx of 5th digit |
| Abductor Digiti Minimi- Nerve Innervation | Ulnar nerve (C8, T1) |
| Abductor Digiti Minimi- Action | Abducts MCP joint of 5th finger |
| Opponens Digiti Minimi- Origin | Flexor retinaculum & hook of hamate |
| Opponens Digiti Minimi- Insertion | Shaft of 5th metacarpal |
| Opponens Digiti Minimi- Nerve Innervation | Ulnar nerve (C8, T1) |
| Opponens Digiti Minimi- Action | Opposes CMC joint of 5th finger |
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