Foot musculature and biomechanics, LE Review Lower Extremity Foot musculature and biomechanics, LE Review

Announcements Surface Anatomy Friday Midterm Exam Monday 60 questions 40 MC 15 T/F

Objectives Describe the gross anatomy for each system (circulatory, muscular, nervous, and skeletal) in the lower extremity. Integrate the systems to discuss the lower extremity stability and mobility functions. Analyze common injuries in the lower extremities. For each muscle, describe how the attachment sites result in an action around a joint. For each muscle, identify the innervation (peripheral nerve and nerve roots). Pulled from syllabus

Enter your team Back group – vertebral joints & discs Hip group – hip joints & lumbosacral plexus Ankle and foot joints group Shoulder group – shoulder joints & brachial plexus Elbow and wrist joints group Last group - cervical plexus & knee joint

Spinal accessory nerve Serratus anterior muscle Your patient has a downwardly rotated L scapula impinging on UE nerves. You suspect weakness of specific muscles causing the habitual downward rotation. Your diagnosis is injury to the: Thoracodorsal nerve Spinal accessory nerve Serratus anterior muscle Latissimus dorsi muscle B

Which of the following associations is correct? Saddle joint : atlanto-occipital joint Ball and socket joint : knee joint Plane joint : talonavicular joint Ellipsoid joint : carpometacarpal joint of the thumb C

Which structure(s) supports all three arches of the foot? Tibialis Posterior Fibularis longus Tibialis Anterior Spring ligament Long plantar ligament Plantar aponeurosis F

extensor hallucis brevis. abductor digiti minimi. tibialis anterior. In the following photograph of a foot, the arrow points to a skin elevation caused by the tendon of the: extensor hallucis brevis. abductor digiti minimi. tibialis anterior. fibularis brevis. tibialis posterior. D

Which muscle is most stretched in this soccer player’s right leg? Semitendinosis Sartorius Rectus femoris Gluteus maximus A

While on a clinical, your supervisor asks you to test a patient’s superficial fibular nerve function. Which of the following do you do? Have the patient dorsiflex while you push them into plantarflexion Have the patient invert while you push them into eversion Have the patient evert while you push them into inversion Have the patient plantarflex while you push them into dorsiflexion C

Your patient suffered a spinal cord injury at spinal cord level L1 Your patient suffered a spinal cord injury at spinal cord level L1. Which of the following is INCORRECT? He has weakness to all leg muscles He has weakness only to the lumbar erector spinae He has sensory loss only in the L1 dermatome He cannot walk C

Your patient suffered damage to the L4 anterior rootlet on the right side. Which of the following is INCORRECT? Her quads have been weakened She has sensory loss at the L4 dermatome She has difficulty standing from sitting She has mild Trendelenburg gait B

You want to check the circulation of your patient You want to check the circulation of your patient. Which would you NOT use as a place to palpate his/her pulse? The inguinal region for the femoral artery Posterior aspect of the knee for the popliteal artery The dorsum of the foot, just distal to the ankle joint for dorsalis pedis Within the tarsal sinus for the tibial artery

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