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 |