Anatomy Of Hand Flashcards
Scaphoid of tubercle, trapezium tubercle, hook of hamate and pisiform gives attachment to
Flexor retinaculum
Fracture of scaphoid, recovery is?
Slow because poor bloody supply to proximal part, avascular necrosis
Which bone develops in tendon of flexor carpi ulnaris?
Pisiform
Radicarpal joint is what type?
Condyloid
Ulnar and radial collateral ligaments limit?
Abduction and adduction
Ligaments on palmar and dorsal surface?
Limits extension and flexion
Carpometacarpal joints are what type of joints?
Plane joint, limited movement except for saddle joint, trapezium and metacarpal of d1 which enables opposition
Metacarpalphalangeal joints are what type of joints?
Condylar
What keeps the metacarpals joined together
Deep transverse metacarpal ligaments. Only between D2 and d5
Interphalangeal joint is what type?
Hinge
Palmar aponeurosis is continuous with what and comprises of what?
Palmaris longus
Longitudinal fibre and transverse fibres
What passes though carpal tunnel?
Flexor digitorum superficialis
Flexor digitorum profundus
Flexor pollicis longus
Median nerve
What does flexor retinaculum do?
Prevents bowing of tendons
Where does splitting happen?
Flexor digitorum superficialis splits to allow flexor digitorum profundus to pass through and attach on distal phalanx
Synovial sheath is bound by?
Annular and cruciate bands of fibrous digital sheath
Flexor digitorum superficialis terminates on?
Base of middle phalanx
Flexor digitorum profundus terminates on?
Base of distal phalanx
Vinculae?
Attach tendons to phalanges