| Question | Answer |
| Arches of the palm (cupped position) | Proximal carpal arch
Distal Carpal Arch
Longitudinal Arch |
| Extensor Hood is known as | Extensor Expansion Ligament |
| Extrinsic Muscles of the Hand- primary function is at thumb or finger | Flexor Digitorum Superficiallis/Profundus
Flexor pollicies Longus
Abductor Pollicis Longus
Extensor pollicis Longus/Brevis
Extensor Digitorium
Extensor Indicis
Extensor DIgiti Mininmi |
| Extensor digitorum blends in and keeps | the extensor tendon in the midline |
| Carpal Tunnel | Transverse Carpal Ligament |
| Anatomical SnuffBox | Abbductor pollicis longus
Extensor pollicis brevis
Extensor Pollicis Longus |
| Flexor Digitorum Superficialis | Divides into 4 tendons as it crosses the wrist then each splits into 2 parts |
| Flexor Digitorum Profundus | Splits into 4 tendons as it crosses the wrist (only muscle to flex the DIP Joints) |
| Intrinsic Muscles responsible for fine motor control | Thenar and Hypothenar |
| Thenar muscle form thenar eminence=moves thumb | F lexor Pollicis Brevis
A bductor Pollicis Brevis
O pponens Pollicis |
| Hypothenar form hypothenar eminence=works primarily on pinkie | F lexor Digiti Minimi
A bductor Digiti Minimi
O pponens Digiti Minimi |
| Deep Palm Muscles | A dductor Pollicis
I nterossei
L umbricales |
| Table Top finger aka | Lumbricales |
| Power GRips | Cynlindrical grip
Spherical Grip
Hook Grip |
| Precision Grips | Pad to Pad Grip
Pinch Grip
Three-Jaw Chuck
Tip to Tip Grip
Pincer Grip
Pad-to-side Grip
Side-to-side Grip
Lumbrical Grip or Plate Grip |
| power grip examples | hammer, door knob |
| precision examples | needle |
| Pinch Grip | coin with two fingers |
| Tripod Grip or Three Jaw Grip | Pencil or Pen |
| Side to Side | Cigarette |
| Pad to side grip | key to lock |
| Lumbrical Grip | Holding plate |
| De Quervains Disease | Inflammation and thickening of sheath resulting in pain on the radial side of wrist |
| Tenosynovitis | inflammation of tendons and surrounding sheaths |
| Dupuytren's Contracture | palmar aponeurosis undergoes a nodula thickening |
| Stenosing Tenosynovitis (trigger finger) | problem with sliding tendon and sheath |
| Skiers Thumb | common hand injury among athletes involve an acute tear of the ulnar collateral ligament of thumb |
| Gamekeepers Thumb | stretching injury of the same ligament |
| schaphoid fracture | fall on the outstretched hand of a younger person |
| Kienbocks disease | necrosis of the lunate, may develop after trauma |
