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FA MSK Anatomy

QuestionAnswer
List the epidermal layers from surface to base. Californians Like Girls in String Bikinis stratum Corneum, stratum Lucidum, stratum Granulosum, stratum Spinosum, stratum Basalis
Which part of the epithelial cell junction functions as to : Prevent diffusion across paracellular space Zona Occludens (tight junction)
Which part of the epithelial cell junction : Lies just basal to the tight junction Zona Adherens
Which part of the epithelial cell junction whose cadherins connect to : a) Actin b) Intermediate filaments a) Zona Adherens b) Macula adherens (desmosome)
Which part of the epithelial cell junction functions as to : allow adjacent cells to communicate for electric and metabolic junctions Gap junction
Which part of the cell structure functions to connect cells to underlying matrix? Hemi-Desmosome
List the structures teared in "unhappy triad" knee injury. Medial collateral ligament (MCL), Medial meniscus, and Anterior Cruciate Ligament (ACL)
Positive anterior drawer sign indicates tearing of what structure? ACL (Anterior Cruciate Ligament)
Which shoulder rotator cuff muscle functions to : Help deltoid abduct arm Supra-spinatus
Which shoulder rotator cuff muscle functions to : Laterally rotate arm Infra-Spinatus
Which shoulder rotator cuff muscle functions to : Adduct and laterally rotate arm Teres minor
Which shoulder rotator cuff muscle functions to : Medially rotate and adduct arm Sub-Scapularis
Which nerve is affected in : Fractured surgical neck of humerus Axillary nerve
Which nerve is affected in : Dislocation of humeral head Axillary nerve and/or Radial nerve
Which nerve is affected in : Fracture at midhshaft of humerus Radial nerve
Which nerve is affected in : Compression of axilla by back of chair or crutches Radial nerve
Which nerve is affected in : Fracture of supra-condylar humerus Median nerve (proximal lesion symptoms)
Which nerve is affected in : Carpal tunnel syndrome Median nerve (distal lesion symptoms)
Which nerve is affected in : Dislocated lunate Median nerve (distal lesion symptoms)
Which nerve is affected in : Fracture of medial epicondyle of humerus Ulnar nerve (proximal lesion symptoms)
Which nerve is affected in : Fracture of hook of hamate (falling onto outstretched hand) Ulnar nerve (distal lesion symptoms)
Which nerve is affected in : Upper trunk compression Musculo-Cutaneos nerve
Which carpal bone is most commonly fractured? What complication does it lead to? Scaphoid, leading to avascular necrosis in the proximal head of scaphoid
Which carpal bone is most commonly dislocated? What complication does it lead to? Lunate, leading to Carpal Tunnel Syndrome due to compression of the Median Nerve.
Which nerve is injured if there is loss of : Arm abduction at shoulder Axillary nerve
Which nerve is injured if there is loss of : Sensation over deltoid muscle Axillary nerve
Which nerve is injured if there is loss of : Wrist extension, finger extension at MCP joints, supination, and thumb extension and abduction. Radial nerve
Which nerve is injured if there is loss of : Sensation over posterior arm and dorsal hand and dorsal thumb Radial nerve
Which nerve is injured if there is loss of : Opposition of thumb (Proximal) Median nerve
Which nerve is injured if there is loss of : Lateral finger flexion, and wrist flexion to lateral side (Distal) Median nerve
Which nerve is injured if there is loss of : Medial finger flexion, and wrist flexion to medial side (Proximal) Ulnar nerve
Which nerve is injured if there is loss of : Abduction and adduction of fingers, adduction of thumb, and extension of 4th and 5th fingers (Distal) Ulnar nerve
Which nerve is injured if there is loss of : Sensation of the dorsal and palmar aspects of lateral 3 1/2 fingers and thenar eminence Median nerve
Which nerve is injured if there is loss of : Flexion of arm at elbow Musculo-cutaneous
Which nerve is injured if there is loss of : Sensation at lateral forearm Musculo-cutaneous
What lesion would present as : Ulnar claw (when asked to straighten fingers) Distal Ulnar nerve lesion
What lesion would present as : Median claw Distal Median nerve lesion
What lesion would present as : Ape hand Proximal Median nerve lesion
What lesion would present as : Klumpke's total hand claw Lesion of lower trunk (C8-T1) of brachial plexus
What lesion would present as : Lateral deviation of wrist upon wrist flexion Proximal Ulnar nerve lesion
What lesion would present as : Wrist drop Radial nerve lesion
What lesion would present as : Medial deviation of wrist upon wrist flexion Distal Median nerve lesion
What lesion would present as : Limb hangs by side, medially rotated, and forearm is pronated Erb-Duchenne palsy ("waiter's tip). Lesion to the upper trunk of the brachial plexus (C5-C6 roots), usually follows blow to the shoulder or trauma during delivery
List the muscles that the Radial nerve innervates. (known as the "great extensor nerve") BEST Brachio-radialis, Extensors of the wrist and fingers, Supinator, and Triceps
List the Thenar muscles. Oppose, Abduct, Flex Opponens pollicis, Abductor pollicis brevis, Flexor pollicis brevis
List the Hypothenar muscles. Oppose, Abduct, Flex Opponens digiti minimi, Abductor digiti minimi, Flexor digiti minimi
Which muscles a)abduct the fingers? b)adduct the fingers? DAB = Dorsals ABduct PAD = Palmars ADuct a)Dorsal interosseous muscles b)Palmar interosseous muscles
Which muscles flex at the MP joint? Lumbrical muscles
Which nerve is affected in: Anterior hip dislocation Obturator nerve
Which nerve is affected in: Pelvic fracture Femoral nerve
Which nerve is affected in: Trauma to the lateral aspect of leg, or fibula neck fracture Common peroneal nerve
Which nerve is affected in: Knee trauma Tibial nerve
Which nerve is affected in: Posterior hip dislocation Superior gluteal nerve and inferior gluteal nerve
Which nerve is injured if there is a loss of : a) Thigh adduction b) Thigh abduction a) Obturator nerve b) Superior gluteal nerve
Which nerve is injured if there is a loss of : Thigh flexion and leg extension Femoral nerve
Which nerve is injured if there is a loss of : a) Foot eversion and dorsiflexion, and toe extension b) Foot inversion and plantar flexion, and toe flexion a) Common peroneal nerve b) Tibial nerve
Which nerve is injured if there is a loss of : Sensation of the medial thigh Obturator nerve
Which nerve is injured if there is a loss of : Sensation of anterior thigh and medial leg Femoral nerve
Which nerve is injured if there is a loss of : Sensation of the anterolateral leg and dorsal aspect of foot Common peroneal nerve
Which nerve is injured if there is a loss of : Sensation of the dorsal lateral part of the foot Superficial peroneal nerve
Which nerve is injured if there is a loss of : Sensation of the dorsal medial part of the foot Deep peroneal nerve
Which nerve is injured if there is a loss of : Sensation of the sole of foot Tibial nerve
Created by: lemontea88