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Download Bones Muscles Ligaments Nerve supply Synovial flexor sheaths
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Palmaris Brevis strong, fibrous band Flexes MP joints Lumbricals (4) Attached anteriorly to the Extend IP joints Medial and lateral Adduction Edges of concavity pisiform hamulus of the hamate bone tubercle of the scaphoid ridge of the trapezium. medially palmar Flexor Retinaculum middle finger lacks it Unipeenate abduction laterally Interossei Forming Carpal tunnel From pisiform To hook of Hamate and radius Dorsal Bipeenate Abduction Flex at MP Extends at IP Extensor Retinaculum Assisting Lumbricals Divide into 2 and insert in inserts a at middle phalanx passing around FDProfundus tendon So flexes the finger at PIP Joint Flexor pollicis brevis Ligaments thenar eminence Tendons of Flexors Tendons of FDProfundus on its medial side E.Digiti minimi on its medial side Interossi Tendons of Extensors Splits to opponens digiti minimi Adductor Pollicis Flexor pollicis brevis and so Interossi Flexors Lumbricals and opponens Abductor pollicis brevis Adductor Pollicis Lumbricals and opponens Abductors on posterior surface of fingers forms Receive interossi insertion And Lumbricals insertion Hand hand has 27 bones She Looks Too Pretty Scaphoid lunate Common flexor sheath contains the tendons of Flexor digitorum S and P triquetral Synovial flexor sheaths pisiform Try to catch her Carplas for flexor pollicis longus Trapezium All by ulnar By median Except thenar and lateral 2 lumbricals trapezoid Nerve supply capitate Bones hamate On their anterior form a concavity Deep fascia For tendons nerves And Vesseles 1 Flexor digiti minimi Abductor digiti minimi and on PIP 2 Lateral 2 2 Hypothenar atrophy with ulnar injury tendon to index is joined by Tenon of little finger joined by Flexor digiti minimi Muscles of Pinky Extensor Expansion 1 Central 3 Abductor digiti minimi Hypothenar Those of EDigitorum extend over dorsum 2 ABOF the law Adductor Pollicis On the dorsum of the hand 1 2 "Meat-LOAF" Flexes finger at PIP and DIP joints Extensor indicis tendon Opponens Pollicis Muscles of thumb Passes through FDSuperficialis tendon Inserts at the base of distal phalanx Abductor pollicis brevis Muscles Tendons of FDSuperficialis Thick and protective Palmar Aponeurosis Has base, shaft and Head Metacarpals (5) That of thumb is attached to Flexor retinaculum Proximal (5) phalanx bones Intermediate (4) Distal (5) They Are Cartilaginous at birth Capitate Begins to ossify in 1st year By age of 12 all are ossified Shortest Most mobile
