Antomy : Lower Limb Flashcards
Muscles innervated by both the femoral and obturator nerves
Adductor magnus and pectineus muscle
Where do the flexors of the leg originate?
What are these muscles
Ischial tuberosity
Hamstrings : biceps femoris, semitendinosus, semimembranosus
Most commonly fractured tarsal bone
Calcaneus
Which of the following structures prevents HYPEREXTENSION of the knee or tendency for the TIBIA to slide POSTERIORLY?
Anterior cruciate ligament
Jumping from a height landing in the heels will likely fracture which bone?
Calcaneus
The most powerful flexor of the thigh is
Iliopsoas muscle
The following are boundaries of the popliteal fossa except
- biceps femoris
- semimembranosus
- plantaris
- NOTA
Plantaris
Superomedial - biceps femoris
Superolateral - semimembranosus semitendinosus
Inferolateral & inferomedial - gastrocnemius
Boundaries of the femoral triangle
Superior -inguinal ligament
Medial - adductor longus
Lateral -sartorius
So I May Always Love Singing
Content of the femoral triangle from lateral to medial
NAVEL
Femoral N., A., V., empty space, lymphatics
Which structure is found outside of the femoral sheath?
Femoral Nerve
Post-TAHBSO there is numbness in the medial aspect of the thigh…what is the affected nerve?
Obturator nerve
Main arterial supply of the head and neck of the femur?
Medial Circumflex Femoral Artery
Where to give a buttock injection
Upper outer quadrant
Post-injection, patient presented with a foot drop and decreased sensation of th anterolateral aspect of the leg and foot
Common peroneal nerve
Fracture in the neck of the femur would lead to injury of the common peroneal nerve. Tis would manifest as
Foot drop
The popliteal artery is the distal continuation of which artery?
Femoral artery
The hamstrings which you need to flex the leg and extend the thigh are mostly innervated by
Tibial nerve (Except for the short head of the biceps femoris)
What does the mnemonic PED and TIP stand for in terms of foot movement?
Peroneus muscles Evert and Dorsifex
Tibialis muscles Invert and Plantarflex
What is the innervation of the muscles that have a common distal attachment at the linea aspera of the femur?
Obturator nerve (Adductor longus, adductor brevis, adductor magnus)
What consists of the u happy knee injury triad which is usually from a lateral blow to the knee?
Medial meniscus
Medial Tibial Ligament
ACL
What muscle is the strongest inverter and dorsiflexor of the foot?
Tibialis anterior
What muscles insert at the calcaneal tendon / achilles tendon?
Triceps surae (GSP)
Gastrocnemius
Soleus
Plantaris
The tendons of the muscles on the posterior leg compartment pass behind the medial ___ in what order anteriorly to posteriorly?
Tom, Dick, Harry
Tibialis posterior
Flexor digitorum longus
Flexor hallucis longus
Which vein would be seen passing anterior to the medial malleolus?
Where will it drain?
Great saphenous vein
Femoral vein