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Systemic Anatomy
Test 2
Question | Answer |
---|---|
Name the 4 Characteristics of Skeletal Muscle | 1. Irratibilty 2. Contractibility 3. Extensibility 4. Elasticity |
What characteristic gives skeletal muscle the ability to return to its normal shape? | Elasticity |
What characteristic gives skeletal muscle the ability to react to a stimulus | Irritability |
What characteristic gives skeletal muscle the ability to be stretched? | Extensibility |
Name the muscles of the Rotator Cuff | Supraspinatus, Infraspinatus, Teres Minor, Subscapularis |
What do the following muscles have in common: 1. Supraspinatus 2. Infraspinatus 3. Teres Minor | 1. All insert on Greater Tubercle of Humerus 2. All are lateral rotators of the Humerus 3. All are part of the Rotator Cuff Muscles |
Of all the actions on the humerus which one does the Deltoid not contribute to? | Adduction |
What 2 muscles does Suprascapular Nerve innervate? | 1. Supraspinatus 2 Infraspinatus |
What is the Origin and Insertion of Supraspinatus? | O: Supraspinous Fossa I: Greater Tubercle |
What is the Origin and Insertion of Infraspinatus? | O: Infraspinous Fossa I: Greater Tubercle |
What 6 muscles attach to the clavicle? | 1. Trapezius 2. Sternocleidomastoid 3. Pectoralis Major 4. Deltoid 5. Sternohyoid 6. Subclavius |
What muscles adduct the humerus? | 1. Pectoralis Major 2. Latissimus Dorsi 3. Teres Major 4. Triceps Brachi (Long Head) 5. Coracobrachialis |
What muscles abduct the humerus? | 1. Supraspinatus 2. Deltoid |
What muscles medially rotate the humerus? | 1. Pectoralis Major 2. Latissimus Dorsi 3. Teres Major 4. Subscapularis 5. Deltoid |
What muscles laterally rotate the humerus? | 1. Supraspinatus 2. Infraspinatus 3. Teres Minor 4. Deltoid |
What muscles extend the humerus? | 1. Latissimus Dorsi 2. Deltoid 3. Teres Major 4. Triceps Brachii (Long Head) |
What muscles flex the humerus? | 1. Deltoid 2. Pectoralis Major 3. Coracobrachialis 4. Biceps Brachii |
What 2 muscles does the Medial Pectoral Nerve innervate? | 1. Pectoralis Major 2. Pectoralis Minor |
What muscle does the Lateral Pectoral Nerve innervate? | Pectoralis Major |
What 3 muscles does the Musculocutaneus Nerve innervate? | 1.Biceps Brachii 2. Brachialis 3. Coracobrachialis |
What 2 muscles does the Lower Subscapular Nerve innervate? | 1. Subscapularis 2. Teres Major |
What muscle does the Upper Subscapular Nerve innerveate? | Subscapularis |
Name the origin and insertion of Latissimus Dorsi? | O: T6 to Sacrum, Iliac Crest, Inferior 4 Ribs, & Angle of Scapula I: Lesser Tubercle |
Name the origin and insertion of Deltoid? | O: Acromion, Spine of Scapula, & Lateral 1/3 of Clavicle I: Deltoid Tuberosity |
Name the origin and insertion of Supraspinatus? | O: Supraspinous Fossa I: Greater Tubercle |
Name the origin and insertion of Infraspinatus? | O: Infraspinous Fossa I: Greater Tubercle |
Name the origin and insertion of Teres Major? | O: Lateral Border of Scapula I:Greater Tubercle |
Name the origin and insertion of Teres Major? | O: Lateral Border of Scapula I: Lesser Tubercle |
Name the origin and insertion of Subscapularis? | O: Subscapular Fossa I: Lesser Tubercle |
Name the 8 dually innervated muscles? | 1. Digastric 2. Subscapularis 3. Pectoralis Major 4. Brachialis 5. Flexor Digitorum Profundus 6. Pectineus 7. Adductor Magnus 8. Biceps Femoris |
Name the origin and insertion of Pectoralis Major? | O: Clavicle, Sternum, Costal Cartilages of Ribs 2-6 I: Intertubercular Groove |
Name the origin and insertion of Pectoralis Minor? | O: Ribs 3-5 I: Coracoid Process |
Name the origin and insertion of Coracobrachialis? | O: Coracoid Process I: Mid humerus |
What are the 3 Erector Spinae muscles? | 1. Iliocostalis 2. Longissimus 3. Spinalis |
Of the 3 Erector Spinae muscles, which is most medial? lateral? | medial: Spinalis lateral: Iliocostalis |
What is the origin and insertion of Spinalis Thoracis? | O: Spinous Process of upper lumbar and lower thoracic vertebrae I: Spinous Processes of upper thoracic vertebrae |
What is the largest muscle mass to cross the lumbascaral joint? | Multifidus muscle |
What can be seen within the confines of the suboccipital triangle? | 1. Posterior arch of C1 2. Vertebral Artery 3. Suboccipital Nerve (Dorsal Ramus of C1) |
What muscles attach to the mastoid process? | 1. Digastric 2. SCM 3. Longissimus Capitus 4. Splenius Capitus |
What muscles attach to the coracoid process? | 1. Pectoralis Minor 2. Coracobrachialis 3. short head of Biceps Brachii |
Muscles that attach to the Xyphoid Process | 1. Rectus Abdominis 2. Transverse Abdominis 3. Diaphragm |
Muscles that protract the Scapula (SCAP) | 1.Serratus Anterior 2. Coracobrachialis 3. Pectoralis Minor |
Muscles that Retract the SCAPula (R Lats & Traps Retract the SCAP) | 1. Rhomboid Major 2. Rhomboid Minor 3. Latissimus Dorsi 4. Trapezius |
Muscles that Depress the Scapula | 1.Serratus Anterior 2. Trapezius 3. Pectoralis Minor |
Muscles that flex the neck/head | 1. Levator Scapula 2. Longus Colli 3. Longus Capitis 4. Sternocleidomastoid (Neck Only) |
What muscles evert the foot? | 1. Peroneus Longus 2. Peroneus Brevis 3. Peroneus Tertius |
What muscles flex the Hip? | (PASTRI) 1. Pectineus 2. Adductor Magnis and Brevis 3. Sartorius 4. Tensor Fascia Latae 5. Iliopsoas |
What muscles extend the Hip? | (PIG & HAM) 1. Piriformis 2. Inferior Gemullus 3. Gluteus Maximus 4. Hamstring Portion of Adductor Magnus 5. Biceps Femoris 6. Semitendinosus 7. Semimembranosus |
What muscles adduct the hip? | All the adductors and Pectineus & Gracilis |
What muscles abduct the hip? | 1. Gluteus Minimus 2. Gluteus Medius 3. Piriformis 4. Inferior Gemellus 5. Tensor Fascia Latae 6. Sartorius |
What muscles medially rotate the hip? | 1. Gluteus Medius 2. Gluteus Minimus 3. TFL 4. Pectineus 5. Semitendinosus 6. Semimembranosus 7. Popliteus |
What muscles laterally rotate the hip? | Gluteus Maximus 2. Piriformis 3. Superoir Gemullus 4. Obturator Internis 5. Inferior Gemullus 6. Quadratus Femoris 7. Biceps Femoris 8. Sartorius 9. Iliacus |
What muscles attach to the Graeter Trochanter? | 1. Gluteus Medius 2. Gluteus Minimis 3. Superior Gemellus 4. Obturator Internus 5. Inferior Gemullus 6. Quadratus Femoris 7. Vastus Lateralis |
What muscles attach to the lesser trochanter? | 1. Iliopsoas |
What muscles medially rotate the knee? | 1. Gracilis |
What muscle laterally rotates the knee? | Biceps Femoris |
What muscles flex the knee? | 1. Biceps Femoris 2. Semiteninosus 3. Semimembranosus 4. Gracilis 5. Sartorius 6. Gastocnemius 7. Plantaris 8. Popliteus |
What muscles are responsible for arch support? | 1. Flexor Hallucis Longus 2. Tibialis Posterior |
What muscles plantar flex the foot? | 1. Gastrocnemius 2. Soleus 3.Plantaris 4. Tibilais Posterior 5. Flexor Hallucis Longus 6. Flexor Digitorum Longus 7. Peroneus Longus 8. Peroneus Brevis |
What muscles dorsiflex the foot? | 1. Tibialis Anterior 2. Extensor Digitorum Longus 3. Extensor Hallucis Longus 4. Peroneus Tertius |
What is the action of the cremaster muscle? | Lowers and Rasies the testicles |
What is formed by the external abdominal oblique? | Inguinal Ligament |
What muscle extends the big toe? | Extenos hallucis longus |
What muscles extend 2nd - 5th toes? | Extensopr Digitorum Longus |
What are teh muscles of mastication? | 1. Lateral Pterygoid 2. Medial Pterygoid 3. Temporalis 4. Masseter |
Of the muscles of mastication, which one depresses mandible? | Lateral Pterygoid |
What is the significance of teh quadrangel space? | You can find the axillary nerve and the postreior circumflex humeral artery |
What are the borders of triangular interval | 1. Lateral head of Triceps Brachii 2. Long head of Triceps Brachii 3. Teres major |
What muscles extend the elbow? | 1. Anconeus 2. Triceps Brachii |
What muscles flex the elbow? | 1. Biceps Brachii 2. brachioradialis 3. Brachialis |