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Questions and Answers
What is the origin of the erector spinae muscles as a group?
What is the origin of the erector spinae muscles as a group?
- Posterior surface of the sacrum
- Posterior part of the iliac crest (correct)
- Anterior surface of the sacrum
- Anterior part of the iliac crest
Where does the longissimus muscle attach to in the cervical region?
Where does the longissimus muscle attach to in the cervical region?
- Iliac crest
- Spinous processes
- Transverse processes
- Mastoid process of temporal bone (correct)
What action does the erector spinae muscles perform during unilateral contraction?
What action does the erector spinae muscles perform during unilateral contraction?
- Flexes vertebral column
- Rotates vertebral column
- Extends vertebral column and head
- Laterally flexes vertebral column (correct)
Where does the iliocostalis muscle attach to in the cervical region?
Where does the iliocostalis muscle attach to in the cervical region?
What is the insertion point of the sternocleidomastoid muscle?
What is the insertion point of the sternocleidomastoid muscle?
What is the action of the erector spinae muscles during bilateral contraction?
What is the action of the erector spinae muscles during bilateral contraction?
Where does the spinalis muscle attach to in the upper thoracic region?
Where does the spinalis muscle attach to in the upper thoracic region?
What is the origin of the erector spinae muscles from the sacrum?
What is the origin of the erector spinae muscles from the sacrum?
What is the action of the sternocleidomastoid muscle during unilateral contraction?
What is the action of the sternocleidomastoid muscle during unilateral contraction?
What is the action of the Tensor Fascia Lata muscle at the hip joint?
What is the action of the Tensor Fascia Lata muscle at the hip joint?
Which nerve innervates the Biceps Femoris muscle?
Which nerve innervates the Biceps Femoris muscle?
What is the function of the Dorsal Interossei muscles?
What is the function of the Dorsal Interossei muscles?
Which nerve innervates the Abductor Pollicis Brevis muscle?
Which nerve innervates the Abductor Pollicis Brevis muscle?
What is the type of joint at the shoulder?
What is the type of joint at the shoulder?
What is the action of the Rectus Femoris muscle at the knee joint?
What is the action of the Rectus Femoris muscle at the knee joint?
Which nerve innervates the Gastrocnemius muscle?
Which nerve innervates the Gastrocnemius muscle?
What is the function of the Adductor Longus muscle at the hip joint?
What is the function of the Adductor Longus muscle at the hip joint?
Which nerve innervates the Semitendinosus muscle?
Which nerve innervates the Semitendinosus muscle?
What is the action of the Sartorius muscle at the knee joint?
What is the action of the Sartorius muscle at the knee joint?
Which muscle group consists of anterior, middle, and posterior parts, each with specific attachments and functions?
Which muscle group consists of anterior, middle, and posterior parts, each with specific attachments and functions?
Which muscle is involved in mastication?
Which muscle is involved in mastication?
Which muscle originates from the pubic crest and symphysis pubis?
Which muscle originates from the pubic crest and symphysis pubis?
Which muscle assists in trunk flexion, forced expiration, and trunk rotation?
Which muscle assists in trunk flexion, forced expiration, and trunk rotation?
Which muscle elevates and adducts the scapula, rotates the scapula downwards, and stabilizes it?
Which muscle elevates and adducts the scapula, rotates the scapula downwards, and stabilizes it?
Which muscle draws the scapula medially and extends the head and neck?
Which muscle draws the scapula medially and extends the head and neck?
Which muscle lowers four ribs, adducts and internally rotates the arm?
Which muscle lowers four ribs, adducts and internally rotates the arm?
Which muscle adducts and medially rotates the humerus?
Which muscle adducts and medially rotates the humerus?
Which muscle abducts the arm and stabilizes the glenohumeral joint?
Which muscle abducts the arm and stabilizes the glenohumeral joint?
Which muscle extends the arm?
Which muscle extends the arm?
Match the following muscles with their innervating nerves:
Match the following muscles with their innervating nerves:
Match the following muscles with their actions at the hip joint:
Match the following muscles with their actions at the hip joint:
Match the following muscles with their origins:
Match the following muscles with their origins:
Match the following joints with their types:
Match the following joints with their types:
Match the following muscles with their actions at the knee joint:
Match the following muscles with their actions at the knee joint:
Study Notes
Anatomy of Upper Limb and Neck Muscles
- Scalene group consists of anterior, middle, and posterior parts, each with specific attachments and functions
- Muscles involved in mastication include temporalis, masseter, and the mandibular nerve
- Rectus abdominis muscle originates from the pubic crest and symphysis pubis and stabilizes the pelvis during walking
- External abdominal oblique muscle assists in trunk flexion, forced expiration, and trunk rotation
- Rhomboid major and minor muscles elevate and adduct the scapula, rotate the scapula downwards, and stabilize it
- Trapezius muscle draws the scapula medially and extends the head and neck, innervated by the accessory nerve
- Latissimus dorsi muscle lowers four ribs, adducts and internally rotates the arm, and is innervated by the thoracodorsal nerve
- Pectoralis major muscle adducts and medially rotates the humerus and is innervated by the lateral pectoral nerve
- Deltoid muscle abducts the arm and stabilizes the glenohumeral joint, innervated by the axillary nerve
- Subscapularis muscle internally rotates the arm and is innervated by the upper and lower subscapular nerves
- Biceps brachii muscle flexes the arm and is innervated by the musculocutaneous nerve
- Triceps brachii muscle extends the arm and is innervated by the radial nerve
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Description
Test your knowledge of the anatomy of upper limb and neck muscles with this quiz. Identify specific muscle attachments, functions, and innervation, including details about the scalene group, mastication muscles, and key muscles involved in trunk and arm movements.
