Biology: Anatomy ch. 10

25 July 2022
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question
The anterior muscles of the thigh that originate on the os coxae are?
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Sartorius; rectus femoris
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The interosseous membrane is located between the?
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Radius and ulna
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Which muscle of the wrist and fingers is a deep anterior flexor?
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Flexor pollicis longus
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Which superficial flexor muscle of the forearm is the most lateral?
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Flexor Carpi radialis
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The palmaris longus inserts on the?
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Palmar aponeurosis
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Which muscle is a superficial anterior flexor muscle?
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Flexor digitorum superficialis
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The two muscles that insert on the fifth phalanx or on the fifth metatarsal are the?
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Extensor digitorum longus and fibularis tertius
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The iliacus and the psoas major muscles are collectively known as the__ muscle because they share a common insertion on the ___ of the femur.
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Iliopsoas; lesser trochanter
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All fibers of the pectoralis major muscle converge on the lateral edge of the?
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Intertubercular sulcus
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The anterior axial muscle that crosses the glenohumeral joint is the pectoralis major muscle.
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True
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The posterior axial muscle that crosses the glenohumeral joint is the?
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Latissimus dorsi
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The two heads of the biceps brachii combine to insert on the?
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Radial tuberosity
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Both heads of the biceps femoris muscle?
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Flex the leg at the knee
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The long head of the biceps femoris muscle originates on the?
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Ischial tuberosity
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The biceps femoris is located in the?
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Posterior thigh
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The brachioradialis is a strong forearm?
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Flexor
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The brachialis muscle is located___ to the biceps brachii muscle
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Deep
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The buccinator muscle is innervated by the?
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Facial nerve
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At it's insertion (unlike at its origin) the buccinator muscle?
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Attaches to fibers of another facial muscle
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The buccinator muscle?
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Compresses the cheeks
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The deltoid muscle fibers are separated into?
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Anterior, middle, and posterior
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The middle fibers of the deltoid muscle?
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Abduct the arm
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The actions of the extensor Carpi radialis bre is are localized to the?
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Wrist
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To allow movement of the tendons within the carpal tunnel zone, each tendon is encased in a?
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Sheath
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Carpal tunnel syndrome is characterized by?
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Inflammation of the flexor retinaculum and tendon sheaths
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The insertion of the extensor Carpi radialis longus muscle is on?
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Metacarpal two
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The extensor Carpi ulnar is is innervated by the?
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Radial nerve
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The extensor hallucis longus muscle inserts on digit
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One
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The action of the extensor digitorum longus muscle is to?
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Extend digits
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The origin of the external obliques include ribs?
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Five through twelve
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The main action of the fibularis longus is to?
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Every the foot
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The external intercostal a elevate the rib cage during?
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Inspiration
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The origin of the flexor Carpi radialis is on the?
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Humerus
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The insertion if the extensor digitorum branches into?
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Four tendons
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The flexor Carpi unlaris?
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Adducts the wrist
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The posterior surface of the tibial shaft is?
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The origin of the flexor digitorum longus
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The flexor digitorum longus muscle is innervated by the?
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Tibial nerve
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What are the three heads of the flexor digitorum superficialis?
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Humeral, radial, and ulnar
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The flexor hallucis longus muscle originates from the?
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Posterior surface of the fibular shaft
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The origins of the lateral head if the gastrocnemius muscle are the?
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Lateral consume and posterior surface of the femur
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The gastrocnemius muscle is innervated by the?
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Tibial nerve
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The two heads if the gastrocnemius muscle converge to insert onto?
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The calcaneus
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The majority of fibers if the gluteus Maximus insert onto the?
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Ileotibial tract
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The gluteus Maximus is the most powerful muscle during?
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Extension
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The gluteus medius muscle is innervated by the?
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Superior gluteal nerve
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The fibers of the iliocostalis muscle are divided into which three regions?
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Lumbar, thoracic, and cervical
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Both the psoas major muscle and iliacus muscle insert on the ?
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Lessor trochanter of the femur
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The infraspinatus inserts on the___ of the humerus
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Greater tubercle of the humerus
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The infraspinatus muscle is included in the ___ muscles
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Rotator cuff
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The actions of the internal intercostals are most important during___?
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Forced expiration
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An insertion of the fibularis longus is the ___?
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Medial cuneiform
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The actions of the internal obliques include___?
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Compression if the abdomen to assist in forced expiration
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The latissimus dorsi inserts___?
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On the inter tubercular groove of the humerus
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One of the actions if the latissimus dorsi muscle is to?
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Adduct the arm
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The origins of the levant or scapula are from the ___ of four cervical vertebrae
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Transverse processes
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The entire length of longus sinus muscle extends from the mastoid process if the temporal bone to the __?
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Sacrum
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The masseter muscle originates on the?
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Medial surfaces if the maxilla and the zygomatic arch as we'll as the inferior border if the zygomatic arch
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The masseter is innervated by the __ branch if the trigeminal nerve
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Mandibular
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The medial muscles if the hip joint that insert in the linea aspera are the ?
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Adductor Magnus, adductor brevis, and adductor longus
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The muscle that generates the most power during elbow flexion is the?
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Brachialis
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The prime mover of elbow extension is the?
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Triceps brachii
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The ___ is a prime mover of the glenohumeral joint during flexion
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Deltoid
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Which if the following muscles assists during extension of the glenohumeral joint, but is not as a prime mover?
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Teres major
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Without lateral rotation of the humerus by the trees minor and infraspinatus muscles, the maximum angle if abduction by the deltoid would be__?
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90 degrees
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Abduction requires the action if two muscles, and addiction requires the action of __?
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Four muscles