Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 9, Problem 6CYU
The rectus femoris muscle originates from the anterior superior iliac spine and inserts into the tibial tuberosity. Predict its main actions with only this information.
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This muscle group primarily acts on the knee; involved with flexion at the knee.This muscle is involved with plantar flexion of the foot (a ballet dancer would use this muscle to point his or her toes in a dance move, and plantar flexion is necessary for a ballet dancer to dance en pointe).This muscle is the prime mover (agonist) of dorsiflexion of the foot.
Chapter 9 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 9.1 - What is a fascicle, and how does it relate to the...Ch. 9.1 - 2. How do the terms pennate, parallel, and...Ch. 9.1 - The adductor magnus muscle is a muscle in the...Ch. 9.1 - 4. What is the role of an agonist in a muscle...Ch. 9.1 - What are a muscles origin and insertion, and how...Ch. 9.1 - 6. How do first-, second-, and third-class lever...Ch. 9.2 - 1. How do the muscles of facial expression differ...Ch. 9.2 - Which muscles are involved in opening and closing...Ch. 9.2 - What are three muscles involved in producing happy...Ch. 9.2 - Which muscles are involved in producing frowning...
Ch. 9.2 - Which extrinsic eye muscles pull the eyeball...Ch. 9.2 - Prob. 6QCCh. 9.2 - Prob. 7QCCh. 9.2 - Prob. 8QCCh. 9.2 - Prob. 9QCCh. 9.2 - What are the three main muscles of the erector...Ch. 9.2 - 11. What additional roles besides supporting...Ch. 9.3 - What is the main muscle of inspiration, and where...Ch. 9.3 - What roles do the external and internal...Ch. 9.3 - Which muscles are involved in trunk flexion?Ch. 9.3 - Prob. 4QCCh. 9.3 - Prob. 5QCCh. 9.3 - Prob. 6QCCh. 9.4 - Prob. 1QCCh. 9.4 - Which posterior trunk muscles act on the scapula?...Ch. 9.4 - Prob. 3QCCh. 9.4 - 4. What are two muscles that adduct the arm?
Ch. 9.4 - Prob. 5QCCh. 9.4 - Prob. 6QCCh. 9.5 - Prob. 1QCCh. 9.5 - Prob. 2QCCh. 9.5 - Prob. 3QCCh. 9.5 - Prob. 4QCCh. 9 - Which type of muscle fascicle pattern has an...Ch. 9 - 2. If “adductor” is part of the name of a muscle,...Ch. 9 - Match the term with its description: _____Brevis...Ch. 9 - Prob. 4CYRCh. 9 - 5. Which function is being fulfilled by a muscle...Ch. 9 - Prob. 6CYRCh. 9 - Which eye muscle passes through the trochlea and...Ch. 9 - Prob. 8CYRCh. 9 - Prob. 9CYRCh. 9 - Prob. 10CYRCh. 9 - 11. Match the muscle with its main...Ch. 9 - Prob. 12CYRCh. 9 - Prob. 13CYRCh. 9 - Prob. 14CYRCh. 9 - Prob. 15CYRCh. 9 - Prob. 16CYRCh. 9 - Prob. 1CYUCh. 9 - Prob. 2CYUCh. 9 - Prob. 3CYUCh. 9 - Prob. 4CYUCh. 9 - Prob. 5CYUCh. 9 - The rectus femoris muscle originates from the...Ch. 9 - Prob. 1AYKACh. 9 - Prob. 2AYKACh. 9 - Prob. 3AYKACh. 9 - Prob. 4AYKACh. 9 - Prob. 5AYKB
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- Please identify the Insertion of this Muscle Styloid Process Mastoid Process Coracoid Process Acromion Processarrow_forwardThe originates from the EOP, nuchal ligament and spinous processes of C7-T12 Spinalis Semispinalis Trapezius Splenius capitis Which of the following is the common site of insertion for all of the quadriceps muscle? Tibial tuberosity Head of the fibula Tibial tubercle Pes anserinus tendon The_______ inserts into the greater tubercle of the humerus Supraspinatus Deltoid Teres major subscapularisarrow_forwardThe pectoralis major muscle is innervated by the lateral pectoral nerve and axillary nerve. True Falsearrow_forward
- The _________ is the strongest muscle of the body for its size Temporalis Messeter Stapedius trapezius Which of the following muscles is a hip flexor? Gluteus maximus Bicep femoris Iliopsoas piriformis The pectoralis major, latissimus dorsi and subscapularis work together to create Elevations of the scapula Medial rotation at the shoulder Lateral rotation at the shoulder Flexion at the shoulderarrow_forwardThe muscle with a long and narrow tendon that travels inferiorly and medially between gastrocnemius and soleus. O a. Inserts into the posterior surface of the calcaneus O b. Is innervated by the common fibular nerve O Forms the inferomedial border of the popliteal fossa C. O d. Assists with dorsiflexion of the foot at the ankle jointarrow_forwardWhich of the fallowing muscle originateson the pubis bones and inserts into the costal cartilage of ribs 5-7 External obliques Rectus abdominis Quadratus lumborum Iliac Which of the following muscles inserts at the coracoid process and originates from ribs 3-5 Subclavius Pectoralis minor Pectoralis major Anterior scalene Which of the following is the lateral muscle of the hamstrings? Gracilis Bicep femoris Semitendinosus semimembranosusarrow_forward
- A synergist muscle always aids the antagonist True or Falsearrow_forwardBased on its fascicle orientation, determine whether each of the following muscles is built for large range of movement or for power: sartorius; rectus femoris; latissimus dorsi; subscapularis; gluteus maximus.arrow_forwardHelp me to Label the muscle of superficial 29 30 31 32 33arrow_forward
- The latissimus dorsi muscle taking origin from spinous processes T7-T12 vertebrae and spinous processes of the lumber vertebrae and iliac crest , this muscle insertion into intertubercular sulcus and inervation by thoracodorsal nerve * T/Farrow_forwardWhich of the following muscle causes flexion at the elbow and suspensions of the forearm Brachialis coracobrachialis Bicep brachii Tricep brachii Extension of the spine is caused by bilateral contraction of quadratus lumborum and the Internal obliques Erector spinae group Rectus abdominis Transverse abdominisarrow_forwardThe iliacus and the psoas major muscles are collectively known as the ____________ muscle because they share a common insertion on the __________ of the femur. psoasiliacus; greater trochanter psoasiliacus; lesser trochanter iliopsoas; lesser trochanter iliopsoas; greater trochanterarrow_forward
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