Anatomy1 Flashcards
what allows adduction of the wrist?
extensor carpi ulnaris
flexor carpi ulnaris
what allows abduction of the wrist?
abductor pollicis longus
flexor carpi radialis
extensor carpi radialis longus and brevis
what is brachoradialis a flexor of? innervation?
elbow … radial
what is the action of the lumbricals? and by what muscle tendon?
flexion at MCP
FDP
whats present in histology of compact bone?
haversian canals
what makes up the anatomical snuff box?
extensor pollicis longus
extensor pollicis brevis
action of iliofemoral?
prevents hyperextension at the hip joint
action of ischiofemoral?
prevents excessive extension and adds stability when the joint is extended
what artery is responsible for the majority of arterial supply to the hip?
medial circumflex femoral artery
what can damage to the medial circumflex femoral artery lead to ?
avascular necrosis of the femoral head
gluteus maximus: action, innveration and blood supply?
extension of thigh
abduction of thigh
inferior gluteal nerve L5-S2
Inferior gluteal artery
gluteus medius/minimus: action, innveration and blood supply?
abduction of the hip
internal rotation of thigh\
superior gluteal nerve L4-S1
superior gluteal artery
tensor fasciae latae action, innveration and blood supply?
flexion and abduction of thigh
superior gluteal nerve L4-S1
superior gluteal artery
when are gluteus medius & minimus called into action?
supporting the body on one limb (Trendlenberg gait)
what arises from the sacral plexus?
sciatic and pudendal nerve
what arises from the lumbar plexus?
femoral and obturator nerve
function of ant/pos cruciate ligament?
anterior - hyperextension
posterior - hyperflexion
innervation and action of the popliteus muscle?
tibial nerve
flexion
action and innervation of the pectineus?
flexion hip
femoral nerve
what is connect to the medial meniscus in the knee?
ACL
what type of joint is the superior tibia-fibular?
synovial planar
what type of joint is the inferior tibia-fibular?
fibrous - syndesmosis