-
FDS
- Innervation
- -Median
- -C7,8, T1
- Action: Flexes MCP and PIP joints
-
FDP
- Innervation
- -Median and ulnar
- -C8, T1
- Action: Flexes all 3 finger joints
-
FPL
- Innervation
- -Median
- -C8, T1
- Action: Flexes all 3 joints of the thumb; CMC, MCP, IP
-
Abductor Pollicis Longus
- Innervation
- -Radial
- -C6,7
- Action: Abducts thumb CMC
-
Extensor Pollicis Brevis
- Innervation
- -Radial
- -C6,7
- Action: Extends thumb CMC and MCP
-
Extensor Pollicis Longus
- Innervation
- -Radial
- -C6,7,8
- Action: Extends all 3 thumb joints CMC,MCP,IP
-
Extensor Digitorum
- Innervation
- -Radial
- -C6,7,8
- Action
- -Extends all 3 joints of fingers MCP,PIP,DIP
-
Extensor Indicis
- Innervation
- -Radial
- -C6,7,8
- Action
- -Extends all 3 joints of 2nd finger MCP,PIP,DIP
-
Extensor Digiti Minimi
- Innervation
- -Radial
- -C6,7,8
- Action: Extends all 3 joints of 5th finger MCP,PIP,DIP
-
Flexor Pollicis Brevis
- Innervation
- -Median
- -C6,7
- Action: Flexes CMC and MCP joints of thumb
-
Abductor Pollicis Brevis
- Innervation
- -Median
- -C6,7
- Action: Abducts the thumb CMC joint
-
Opponens Pollicis
- Innervation
- -Median
- -C6,7
- Action: Opposes the thumb CMC joint
-
Adductor Pollicis
- Innervation
- -Ulnar
- -C8,T1
- Action: Adducts the thumb CMC joint
-
Dorsal Interossei
- Innervation
- -Ulnar
- -C8,T1
- Action
- -Abducts fingers at MCP joint
-
Palmar Interossei
- Innervation
- -Ulnar
- -C8,T1
- Action: Adducts fingers at MCP joint
-
Lumbrical
- Innervation
- -1st and 2nd median nerve
- -3rd and 4th ulnar nerve
- -C6,7,8
- Action
- -Flex MCP joint
- -Extend PIP and DIP joints
-
Abductor Digiti Minimi
- Innervation
- -Ulnar
- -C8,T1
- Action
- -Abds 5th finger at MCP joint
-
Opponens Digiti Minimi
- Innervation
- -Ulnar
- -C8,T1
- Action: Opposes the 5th finger at CMC
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