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Concept explainers
Match the muscles in column A with the actions in column B. Place the letter of your choice in the space provided.
Column A
a. Biceps femoris
b. Fibularis (peroneus) longus
c. Gluteus medius
d. Gracilis
e. Psoas major and iliacus
f. Quadriceps femoris group
g. Sartorius
h. Tibialis anterior
I. Tibialis posterior
Column B
1. Adducts thigh and flexes knee
2. Plantar flexion and eversion of foot
3. Flexes thigh at the hip
4. Abducts and flexes thigh and rotates it laterally; flexes leg at knee
5. Abducts thigh and rotates it medially
6. Plantar flexion and inversion of foot
7. Flexes leg at the knee and laterally rotates leg
8. Extends leg at the knee
9. Dorsiflexion and inversion of foot
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Chapter 25 Solutions
Laboratory Manual for Human Anatomy & Physiology (Cat Version)
- Identify the muscles that perform each function.Muscles of the Arm and Forearm a. biceps brachii b. brachialis c. brachioradialis d. extensor carpi radialis e. extensor carpi ulnaris f. extensor digitorum g. flexor carpi radialis h. flexor carpi ulnaris i. palmaris longus j. triceps brachii ____ 20. Extends forearm at elbow and extends arm ____ 21. Flexes forearm at elbow and flexes arm ____ 22. Flexes forearm ____ 23. Flexes forearm and pronates and supinates forearm ____ 24. Flexes and abducts hand ____ 25. Flexes and adducts hand ____ 26. Weakly flexes hand ____ 27. Extends hand and extends phalanges ____ 28. Extends and adducts hand ____ 29. Extends and abducts handarrow_forwardWhich of the listed muscles are sphincters on the face? Select one or more a. Mentalis b. Orbicularis oris c. Levator labi superioris d. Orbicularis oculi e. Frontalisarrow_forwardMatch the muscles that are antagonistic in their actions to the muscles listed. Biceps femoris Popliteus Rectus femoris Semimembranosus Semitendinosus Vastus intermedius Vastus lateralis Vastus medialis A. Biceps femoris, semimembranosus, semitendionosus, popliteus B. Rectus femoris, vastus lateralis, vastus intermedius, vastus medialis, biceps femoris C. Rectus femoris, vastus lateralis, vastus intermedius, vastus medialis, popliteus, semimembranosus, semitendinosusarrow_forward
- Match the muscles that are antagonistic in their actions to the muscles listed. Deltoid (anterior fibers) A. Infraspinatus, teres minor, - deltoid, upper pectoralis major, Deltoid (middle fibers) Deltoid (posterior fibers) B. Infraspinatus, teres minor, Supraspinatus middle & posterior deltoid, lower pectoralis major, latissimus dorsi, teres major Subscapularis Teres major C. Infraspinatus, teres minor, posterior deltoid Infraspinatus / Teres minor Latissimus dorsi Pectoralis major (upper fibers) Pectoralis major (lower fibers) D. Latissimus dorsi, teres major, lower pectoralis major, middle & posterior deltoid, infraspinatus, teres minor E. Lower pectoralis major, latissimus dorsi, teres major, deltoid anterior fibers, coracobrachialis, biceps brachii F. Lower pectoralis major, K latissimus dorsi, teres major, pectoralis major upper fibers, coracobrachialis, G. Pectoralis major lower fibers, latissimus dorsi, teres major H. Pectoralis major, subscapularis, latissimus dorsi, teres…arrow_forwardSelect the two most appropriate muscle(s) the performs this body movement. only select the two appropriate answers. A. Pronator teres B. Trapezius C. Supraspinatus D. Splenius capitis E. Rhomboideus Major F. Teres Majorarrow_forwardFor each of the muscles below, state the criteria used for naming the muscle. For example, serratus anterior is a saw-toothed anterior muscle. 1. Latissimus dorsi 2. Rectus abdominis 3. Trapezius 4. Biceps brachii 5. Levator scapulae 6. Flexor carpi radialis 7. Piriformis 8. Gluteus medius 9. Rhomboid major 10. Pectoralis majorarrow_forward
- Identify the muscles that perform each function.Muscles of the Thigh a. adductor magnus, longus, brevis b. biceps femoris c. gluteus maximus d. gluteus medius e. gracilis f. rectus femoris g. sartorius h. semimembranosus i. semitendinosus j. tensor fasciae latae k. vastus intermedius l. vastus lateralis m. vastus medialis ____ 30. Extends leg at knee and flexes thigh at hip ____ 31. ____ 32. Three muscles that extend leg only ____ 33. ____ 34. Flexes leg and flexes, abducts, and laterally rotates thigh (allows us to flex and cross our legs) ____ 35. Adducts thigh and flexes leg ____ 36. Group of muscles that adducts and flexes thigh ____ 37. Abducts thigh ____ 38. Flexes and abducts thigh ____ 39. Extends thigh ____ 40. ____ 41. Three muscles that flex leg and extend thigh ____ 42.arrow_forwardIdentify the muscles that perform each function. Muscles of the Head and Neck a. masseter b. orbicularis oculi c. orbicularis oris d. sternocleidomastoid e. temporalis f. trapezius g. zygomaticus major ____ 1. Smiling muscle ____ 2. Kissing muscle ____ 3. Closes eyelid ____ 4. Two muscles that close mouth ____ 5. ____ 6. Paired muscle that flexes head and rotates head to side ____ 7. Extends headarrow_forwardWhich of the listed muscles are sphincters on the face? Select one or more: a. Levator labii superioris b. Frontalis c. Orbicularis oris d. Orbicularis oculi e. Mentalisarrow_forward
- name the structure A. Deltoid B. Supraspinatus muscle C. Subscapularis D. Infraspinatus muscle E. Teres minorarrow_forward1. The following are muscles of facial expression. For each, give its location and describe its action when it contracts. Complete figure 8.1 above by adding in any muscles found in the table below. Muscle Location Action when contracted Epicranius frontalis Epicranius occipitalis Orbicularis oculi Zygomaticus major Zygomaticus minor Buccinator Orbicularis oris Platysma Levator labii sup. Depressor labii inf. Levator anguli oris Depressor anguli orisarrow_forwardMatch the muscles that are antagonistic in their actions to the muscles listed. Erector spinae A. Erector spinae, quadratus lumborum H External oblique abdominal Internal oblique abdominal Quadratus lumborum B. Erector spinae, quadratus lumborum, contralateral external oblique abdominal, ipsilateral internal oblique abdominal Rectus abdominis Splenius capitis C. Erector spinae, quadratus Splenius cervicis lumborum, ipsilateral external oblique abdominal, contralateral internal oblique abdominal Sternocleidomastoid D. Rectus abdominis, external oblique abdominal, internal oblique abdominal E. Splenius cervicis, splenius capitis, contralateral sternocleidomastoid, erector spinae F. Sternocleidomastoid, contralateral splenius capitis and splenius cervicis G. Sternocleidomastoid, rectus abdominis, external oblique, internal oblique 1 T -arrow_forward