Ortho Oracle - orthopaedic operative atlas

Flexor Digitorum Longus

      – 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

Flexor Hallucis Brevis

– 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

Flexor Pollicis Brevis

    – 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

Flexion Tear Drop Fracture

– See: Lower Cervical Burst Frx: – Discussion:     – most severe fracture of cervical spine     – results from combination of extreme flexion & compressive forces     – commonly results from a dive into a shallow pool of water;     – associated w/ acute anterior cervical cord syndrome     … Read more

Flexion Type Supracondylar Frx

Discussion:        – 5-10% of all supracondylar frxs        – occurs from fall w/ elbow flexed as it hits the ground;        – posterior cortex fails first;        – resulting frx has anterior displacement of the distal fragment in sagittal plane, and lateral/valgus displacement in coronal plane   … Read more

Flexor Digiti Minimi

– 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.