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RHAB 1110: Kinesiology Final Comprehensive ExaminationPractice Questions I. The following activities require an eccentric contraction of the muscle identified. Please answer true or false. 1.) TRUE Triceps The “down phase of a push up. 2.) FALSE Quadriceps Straightening your bent knee in the prone position. 3.) TRUE Tibialis Anterior Heel strike to foot flat position in the gait cycle. 4.) FALSE Flexor Carpi Radialis Performing wrist flexion holding a 2 pound weight with your forearm supported on a table and your wrist hanging off (palm facing up). 5.) FALSE Right External Oblique Performing a sit up (the “up” phase) and bringing your right shoulder toward your left knee. 6.) TRUE Right Quadriceps Stepping off a curb with your left leg. 7.) TRUE Tibialis Anterior Walking down a steep hill. 8.) FALSE Middle Deltoid Standing in anatomical position, lift your arm up out to the side (abduction). 9.) TRUE Lying prone, lowering leg from a hyperextended position. Gluteus Maximus 10.) FALSE Iliopsoas Kicking a ball. 11.) TRUE Lowering phase of a sit up. Rectus Abdominis II.) The following activities require the muscle identified to work via reversal of muscle action. Please answer true or false. 1.) TRUE Gastrocnemius In a closed kinetic – the ability of a person to stand upright without the use of their quadriceps muscles. 2.) TRUE Upper Trapezius Extending the head and neck with the shoulder girdle stabilized. 3.) TRUE Quadratus Lumborum A person with a fused knee performs hip hiking for foot clearance. 4.) FALSE Iliopsoas Performing a sit up with your hip and knees flexed, feet flat on the floor (ankles not stabilized). 5.) TRUE Lattisimus Dorsi Elevation of the pelvis with the arms stabilized (i.e. during crutch walking). 6.) FALSE Pectoralis Minor After a race, an athlete places his hands on his hips to try to catch his breath (helping to increase the diameter of the rib cage). III. The following activities require a concentric contraction of the muscle identified. Please answer true or false. 1.) FALSE Tibialis Anterior Performing bilateral heel raises in standing. 2.) TRUE Performing knee extension in sitting with a 5 pound weight attached around your ankle. Quadriceps 3.) FALSE Anterior Deltoid Pulling down a window shade from an overhead position. 4.) TRUE Supinator Turning the key in your car to start the ignition. 5.) TRUE Rhomboids Squeezing your shoulder blades together 6.) FALSE Diaphragm During expiration 7.) TRUE Peroneus Longus Performing ankle eversion exercises with theraband for resistance. 8.) TRUE Flexor Digitorum Profundus Squeezing a lemon. IV.) The following muscle pairs all have components of their actions that act antagonistically to each other. Please answer true or false. 1.) FALSE Tibialis Posterior; Tibialis Anterior 2.) TRUE Iliopsoas: Gluteus Maximus 3.) TRUE Serratus Anterior; Middle Trapezius 4.) FALSE Teres Major; Lattisimus Dorsi 5.) TRUE Extensor Carpi Radialis; Flexor Carpi Ulnaris 6.) TRUE Biceps; Triceps 7.) FALSE Sternocleidomastiod; Scalenes V.) The following positions will cause the specified insufficiency of the muscle identified. Please answer true or false. 1.) TRUE Hamstrings: Hip flexion with knee extension will cause passive insufficiency of this muscle. 2.) FALSE Rectus Femoris: Hip extension with knee flexion will cause active insufficiency of this muscle. 3.) TRUE Extensor Digitorum: Wrist flexion causing fingers to extend will cause passive insufficiency of this muscle. 4.) FALSE Triceps: Shoulder flexion with elbow extension will cause active insufficiency of this muscle. VI.) The following activities accurately describe open-chain activity. Please answer true or false. 1.) FALSE Performing a squat is an open chain activity for the LE. 2.) TRUE Extending your knee in sitting with a 5 pound weight attached to your ankle is an example of an open chain activity for the LE. 3.) TRUE In the standing position, raising your arm above head holding a 2 pound weight is an example of an open chain activity for the UE. 4.) FALSE Performing a wall push up is an example of an open chained activity for the UE. VII. Please analyze the following statements about arthrokinematics, and state whether they are TRUE or FALSE. 1.) TRUE When you reach your arms out to stretch as you awake in the morning and your elbows move into the extended position, the radial head is moving posteriorly on the capitulum 2.) FALSE When you kick a soccer ball, the tibial condyles are gliding posteriorly on the femoral condyles 3.) TRUE When you raise up onto your “tip toes” the talus is gliding anteriorly within the mortise created by the distal ends of the tibia and fibula 4.) FALSE When you give the “thumbs up” sign and extend the IP joint of the thumb, the base of the distal phalanx is moving anteriorly relative to the distal end of the proximal phalanx