– See: – Plantar Muscles of the Foot: – Innerv. Musc. Lower Limb – Origin: – medial process of the calcaneus, central part of the plantar aponeurosis, and the intermuscular septa; – entire muscle belly is firmly united with the plantar aponeurosis; … Read more
– See: Plantar Muscles of the Foot: – Origin: posterior surface of middle 3/5 of tibia; – Insertion: branches into 4 tendons that insert the plantar surface of base of distal phalanx of the 4 lesser toes. – Action: – flexes phalanges at all phalangeal and metatarsophalangeal articulations of 2nd … Read more
– See: – Forearm Flexors – Swan Neck Deformity following Excision of FDS – FDS Laceration: – Anatomy: – origin: – humero-ulnar head: medial epicondyle of humerus by common tendon, ulnar collateral ligament of elbow & coronoid process of … Read more
– See: Plantar Muscles of the Foot: – Origin: – medial portion of the plantar surface of the cuboid bone, adjacent portion of the lateral cuneform bone and prolongation of tendon of tibialis posterior. – Insertion: – medial and lateral heads of the F.H.B. insert onto … Read more
– Anatomy: – origin: distal 2/3 of posterior fibula, interosseous membrane and adjacent intermuscular septum; (see deep posterior compartment) – tendon passes through posterior aspect of fibro-osseous tunnel, plantar midfoot (knot of Henry); – insertion: – plantar surface of base of distal phalanx … Read more
– Origin: – superficial head: distal border of the flexor retinaculum; – greater multangular bone tuberosity of the trapezium bone deep head; – trapezoid and capitate bones; – Insertion: base of the proximal phalanx of the thumb; – Action: – flexes proximal phalanx of the … Read more
– See: Forearm Flexors – Discussion: – origin: medial epicondyle of humerus; – anatomy at the wrist: – when pt flexes wrist & radially deviates his hand, tendon becomes prominent next to the palmaris longus; – FCR lies radial to the … Read more
– See: Forearm Flexors – Anatomy: – origin: 2 heads from medial epicondyle of humerus & medial border of olecranon; – insertion: palmar surface of pisiform, hamate, and bases of 5th metacarpal; – action: flexes and adducts the hand at the wrist; – synergists: flexor carpi radialis; … Read more
– See: Plantar Muscles of the Foot: Origin: proximal end of the 5th metatarsal bone. Insertion: lateral side of the proximal end of the proximal phalanx of the little toe. Action: Flexes the proximal phalanx of the 5th toe. Nerve Supply: lateral plantar nerve, S1, S2; (See Innerv. Musc. Lower Limb) Synergists: Flexor Digitorum Brevis, FDL, Quadratus Plantae.
origin: hamulus of the hamate bone and flexor retinaculum; insertion: ulnar side of the base of the proximal phalanx of 5th finger; action: flexes 5th digit at the metacarpophalengeal articulation; synergists: FDS, FDP, opponens digiti minimi; nerve supply: ulnar nerve: C8, T1; – Discussion: – flexor brevis digiti minimi lies on volar surface … Read more