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BIOL 203 – Summer 2012Instructor: Alexandra OkihiroThe Forearm, Wrist and Hand
Head
Radial Tuberosity
Styloid Process
Styloid Process
Olecranon Process
Trochlear Notch (U shape)
Radial Notch
Head
[Note: The ulna is the only bone where the “head” is found at the distal end instead of proximal end.]
Right Hand
Distal Phalanx of Digit 5
Middle Phalanx of Digit 5
Proximal Phalanx of Digit 5
Distal Phalanx of Pollex (Digit 1)
Proximal Phalanx of Pollex (Digit 1)
Metacarpal 5Metacarpal 1
Carpals (There are 8 total)
Muscles that Move the Forearm, Hand and Fingers
1. Palmaris Longus2. Flexor Carpi Radialis3. Flexor Carpi Ulnaris4. Flexor Digitorum Superficilalis5. Flexor Digitorum Profundus
6. Flexor Pollicis Longus
1
2
3
4
4
5
6
Muscles that Move the Forearm, Hand and Fingers
7. Extensor Digitorum8. Extensor Carpi Radialis Longus & Brevis9. Extensor Carpi Ulnaris 10. Extensor Pollicis Brevis11. Abductor Pollicis Longus
7
88
9
1011
Palmar Aponeurosis
Flexor Retinaculum
Hand
The Forearm, Wrist and Hand
[Note: The ulna is the only bone where the “head” is found at the distal end instead of proximal end.]
Muscles that Move the Forearm, Hand and Fingers
1
2
3
4
4
5
6
Muscles that Move the Forearm, Hand and Fingers
7
88
9
1011
Hand