ch10 - SHORT ANSWER. Write the word or phrase that best...

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Unformatted text preview: SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question Figure 10.1 Using Figure 10.1, match the following: 1) Second- class lever. 1) 2) Humerus ulna joint. 2) 3) Tibia calcaneus joint. 3) 4) Humerus metacarpal joint. 4) 5) First- class lever. 5) 6) The action of lifting a shovel of snow. 6) 1 Figure 10.2 Using Figure 10.2, match the following: 7) Arm abduction and rotation. 7) 8) Prime mover to protract and hold the scapula against the chest wall; rotates scapula so that its inferior angle moves laterally and upward. 8) 9) A muscle that has its origin on the manubrium of the sternum and medial portion of the clavicle, and its insertion in the mastoid process of the temporal bone. 9) 10) Pectoralis minor. 10) 11) Coracobrachialis. 11) 2 Figure 10.3 Using Figure 10.3, match the following: 12) Trapezius muscle. 12) 13) Teres major muscle. 13) 14) The latissimus dorsi. 14) 15) Rotates scapula. 15) 16) Retract scapula. 16) 17) Levator scapulae. 17) MATCHING. Choose the item in column 2 that best matches each item in column 1 Match the following muscle actions: 18) Flexes the wrist. 19) Slow- acting finger flexor. A) Flexor digitorum profundus B) Flexor carpi ulnaris 18) 19) 3 20) Powerful wrist flexors that also stabilize the wrist during finger extension. 21) Extends and abducts the wrist. 22) Extends the thumb. A) Extensor carpi radialis longus and brevis B) Flexor carpi ulnaris C) Extensor pollicis longus and brevis 20) 21) 22) Match the following: 23) Muscle that opposes and reverses the action of another muscle. 24) Muscle that stabilizes the origin of another muscle. 25) Muscle that is primarily responsible for bringing about a particular movement. 26) Muscle that aids another by promoting the same movement. A) Synergist B) Fixator C) Antagonist D) Agonist 23) 24) 25) 26) TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 27) A pair of tweezers is a good example of a second- class lever. 27) 28) Both first- and second- class levers operate at a mechanical disadvantage. 28) 29) Although all skeletal muscles have different shapes, the fascicle arrangement of each muscle is exactly the same. 29) 30) Muscles are only able to pull, they never push. 30) 31) Regardless of type, all levers follow the same basic principle: effort farther than load from fulcrum = mechanical advantage; effort nearer than load to fulcrum = mechanical disadvantage. 31) 32) Movements of the thigh are accomplished by muscles anchored to the pelvic girdle. 32) 33) The biceps brachii inserts on the radius. 33) 34) The chewing muscle covering the ramus of the mandible is the buccinator. 34) 35) The deltoid is a prime mover of the arm that acts in adduction. 35) 36) The soleus is a synergist of the gastrocnemius during plantar flexion. 36) 37) Muscles that help to maintain posture are often called synergists. 37) 4 38) In order to propel food down to the esophagus, the pharyngeal constrictor muscles are used...
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This note was uploaded on 04/06/2011 for the course MGMT 543 taught by Professor Staff during the Spring '08 term at New Mexico.

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ch10 - SHORT ANSWER. Write the word or phrase that best...

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