Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 38, Problem 33CTQ
What movements) occur(s) at the scapulae when you shrug your shoulders?
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describe scapulohumeral movement, or synergy, that takes place with the shoulder joint and girdle. What muscles are acting to create these motions? What could happen if this synergy did not occur?
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Explain the neutralization occurring between the levator scapula and the upper trapezius during a shoulder shrug exercise ( scapular elevation )?
Chapter 38 Solutions
Biology 2e
Ch. 38 - Figure 38.19 Which of the following statements...Ch. 38 - Figure 38.37 Which of the following statements...Ch. 38 - Figure 38.38 The deadly nerve gas Sarin...Ch. 38 - The forearm consists of the radius and ulna radius...Ch. 38 - The pectoral girdle consists of the: clavicle and...Ch. 38 - All of the following are groups of vertebrae...Ch. 38 - Which of these is a facial bone? frontal occipital...Ch. 38 - Which of the following is not a true statement...Ch. 38 - The Haversian canal: is arranged as rods or plates...Ch. 38 - The epiphyseal plate: is arranged as rods or...
Ch. 38 - The cells responsible for bone resorption are...Ch. 38 - Compact bone is composed of trabeculae compacted...Ch. 38 - Osteoporosis is a condition where bones become...Ch. 38 - While assembling a skeleton of a new species, a...Ch. 38 - Synchondroses and symphyses are synovial joints...Ch. 38 - The movement of bone away from the midline of the...Ch. 38 - Which of the following is not a characteristic of...Ch. 38 - The elbow is an example of which type of joint?...Ch. 38 - A high ankle sprain iis an injury caused by over...Ch. 38 - In relaxed muscle, the myosin-binding site on...Ch. 38 - The cell membrane of a muscle fiber is called a...Ch. 38 - The muscle relaxes if no new nerve signal arrives....Ch. 38 - The ability of a muscle to generate tension...Ch. 38 - Botulinum toxin causes flaccid paralysis of the...Ch. 38 - What are the major differences between the male...Ch. 38 - What are the major differences between the pelvic...Ch. 38 - Both hydrostatic and exoskeletons can protect...Ch. 38 - Scoliosis is a medical condition where the spine...Ch. 38 - What are the major differences between spongy bone...Ch. 38 - What are the roles of osteoblasts, osteocytes, and...Ch. 38 - Thalidomide was a morning sickness drug given to...Ch. 38 - What movements occur at the hip joint and knees as...Ch. 38 - What movements) occur(s) at the scapulae when you...Ch. 38 - Describe the joints and motions involved in taking...Ch. 38 - How would muscle contractions be affected if ATP...Ch. 38 - What factors contribute to the amount of tension...Ch. 38 - What effect will low blood calcium have on...Ch. 38 - Skeletal muscles can only produce a mechanical...
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- Anatomical levers can improve physical perfor-mance. Explain how this occurs using the infor-mation you have learned in relation to throwing.arrow_forwardExplain why the adductor longus muscle is a more effective hip adductor than the pectineus?arrow_forwardMost of the muscles attached to the scapula are fixators, but a few do contribute to arm movement. Compare and contrast two fixators of the scapula with two muscles attached to the scapula that contribute to arm movement?arrow_forward
- What pulls the scapula superiorly ?arrow_forwardDuring shoulder abduction what movement occurs at the scapulothoracic joint and what muscles contribute to this?arrow_forwardWhich is not a hip flexor? a) iliopsoas muscle b) Gracilis muscle c) Adductor magnus muscle d) Rectus femoris musclearrow_forward
- Match each of the following to the type of movement that would occur: a: Flexion b: Extension c: Abduction d: Adduction e: Circumduction f: Pronation g: Supination _____Position of the forearm when serving supper _____Bending of the body forward as is done in a sit-up _____Movement of the knees as you return to standing after doing a squat _____Action of the hip as the ballerina places her foot onto the practice bar _____Straightening of the body after touching your toesarrow_forwardExplain how the biceps brachii tendon braces theshoulder joint.arrow_forwardWhat type of movement is shown in the picture below: Rotation Circumduction O Plantar Flexion O Supinationarrow_forward
- Muscles that protract the scapula would be ________ thoracic muscles. a) anterior b) posteriorarrow_forwardWhy do you suppose there are more and larger muscles involved in plantar flexion of the foot than dorsiflexion?arrow_forwardMatch the muscles of the rotator cuff group to the action rotates humerus laterally, prevents slippage in abducted arm, stabilizes shoulder D synergist in arm abduction, stabilizes shoulder rotates humerus laterally, stabilizes shoulder rotates humerus medially, stabilizes shoulder 1. Supraspinatus 2. Infraspinatus 3. Subscapularis 4. Teres minorarrow_forward
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