Module 1 and 2 Practice Spotter Questions/Spotter 1 Answers Flashcards
- Identify the pinned suture
- What TWO cranial bones does this suture connect
- Squamous
- Temporal and Parietal
- Identify the pinned muscle (be specific!)
- What is the nerve (and nerve root origin) that innervates this muscle
- Short head of biceps brachii
- Musculocutaneous c5-c6-c7
Several bones comprise the structure commonly known as the “cheekbone”. The image on display depicts a fracture of these structures, known as a “Tripod Fracture”. Identify the three bones affected by this injury.
1: Zygomatic
Identify the pinned muscle
Name the bone & bony feature that serves as the insertion site of this muscle
Brachioradialis
Bone: Radius
Bony Feature: Styloid process
What is the name of this bony feature
Which muscle inserts at the superior-posterior aspect of this bony structure
mandibular head/condyle
lateral pterygoid
Identify the pinned muscle
Will this muscle produce “internal” or “external” rotation at the glenohumeral joint
Infraspinatus
external
What vertebra is this
What is the name of pinned bony structure
C2 / axis
Dens / odontoid
Identify the pinned muscle
Will this muscle produce “upward” or “downward” rotation of the scapula
Rhomboid (minor/major)
Downward
What is the name of the joint found at the lateral end of this bone
Identify ONE specific bony feature/landmark that is found on the inferolateral aspect of this bone
Acromioclavicular
Conoid tubercle or Trapezoid line
Identify the pinned muscle (be specific!)
Does this muscle act at the glenohumeral joint (Yes or No
Triceps brachii long head
Yes
What is the name of this specific bony feature
Name ONE muscle that inserts here
Greater tuberosity
Supraspinatus, infraspinatus, teres minor
Identify the pinned artery
What artery exists after its lateral bifurcation
Brachial
Radial
What is the name of the pinned superior feature
What specific bony structure articulates with the pinned region
Superior facets/Superior articular facets
Occipital condyle
Identify the pinned muscle (all flags are of the same muscle)
Which colour flag (red, blue or yellow) identifies the fibre group responsible for depressing the scapula?
Trapezius
Yellow
What is the name of the pinned feature
What distal bone articulates with this feature
Capitulum
Radius
What movement of the wrist/hand is this muscle involved in
State the common origin site for all muscles belonging to the group of muscles in this compartment
Flexion
Medial epicondyle
What is the name of this bony structure
Name TWO muscles that attach here; One that originates and one that inserts
Coracoid process
Originates: Coracobrachialis or biceps brachii short head
Inserts: pectoralis minor
Identify the pinned muscle
Does this muscle belong to the rotator cuff group (Yes or No)
Teres major
No
What is the name of the marked region
What specific bony structure articulates with this region
Glenoid fossa
Head of humerus
Identify the pinned nerve (and its nerve root origins)
Ulnar c8,t1
Identify pinned the bony feature/landmark
What muscle inserts at this site
Radial tuberosity
Biceps brachii
Identify the pinned muscle
What facial expression is this muscle involved in
Zygomaticus major
Smiling, Retracting corners of mouth
What is the name of the pinned bone
What bone articulates with its proximal surface
Scaphoid
Radius
Identify the pinned muscle
What movement is this muscle responsible for
Orbicularis oculi
Closing the eyelids
What movement at the scapulothoracic joint (x) is taking place from image A to B
Identify ONE prime mover (agonist) muscle responsible for this movement
Protraction (abduction)
Serratus anterior, pec minor/major
Identify the pinned muscle
Does this muscle “elevate” or “depress” the mandible
Masseter
Elevate
What is the name of this bony feature
Identify the muscle that inserts here
Olecranon process
Triceps brachii
Identify the pinned muscle
What plane of movement occurs when the anterior fibres of this muscle contract
Deltoid
Sagittal
Identify the TWO marked paranasal sinuses
Purple (#1): Ethmoid
Red (#2): Sphenoid
Identify the muscle that this tendon belongs to
What nerve (and its nerve root origin) innervates this muscle
Extensor digitorum
Radial C5-t1
Identify the pinned cranial bone
What muscle do you find here that is responsible for raising the eyebrows and crinkling the forehead skin
Frontal
Frontal belly occipitofrontalis
Identify the pinned muscle
What additional nerve of the brachial plexus innervates this muscle. (Hint: consider the location of this muscle on the thorax and distant to the brachial plexus location)
Serratus anterior
Long thoracic
What bone is this?
Identify the type of joint that forms the articulation between this bone and its corresponding parallel bone
Radius
Syndesmosis
Identify the pinned muscle
What movement of the forearm is this muscle responsible for
Pronator quadratus
Pronation
Identify the specific region marked by the red flag
Which muscle do you find within the region marked by the blue flag
Supraspinous fossa
infraspinatus
What plane was used to produce this MRI image?
- Frontal (coronal) plane
- This is the anterior surface of the cubital fossa • i.e. the elbow
What plane was used to produce this diagram?
- Horizontal (transverse) plane
- This is glenohumeral joint looking down from a superior perspective
- i.e. the shoulder
What classification is the joint labelled A?
Identify BOTH its STRUCTURAL & FUNCTIONAL classification
- STRUCTURAL (what holds it together)
- Synovial
- Held together with ligaments, synovial space, capsule etc
- FUNCTIONAL (range of movements)
- Diarthrosis
- Freely mobile
What is plane & axis of rotation is used for this movement?
- Plane
- Frontal/coronal
- Axis
- Anteroposterior
What is plane & axis of rotation is used for this movement?
- Plane
- Horizontal
- Axis
- Vertical
Identify the joint labelled A. What two bones does it connect?
- Lambdoid Suture
- Occipital and Parietal
• Identify the joint labelled A. What two bones does it connect?
- Squamous Suture
- Parietal and Temporal
• Identify the bone labelled A. Does this form part of the Orbit (Yes or No)?
Sphenoid
Yes
Identify TWO bones that form the floor of the orbit
- Maxilla (A)
- Zygomatic (B)
What is the feature labelled A? What takes up this space in the human body?
Vertebral Foramen
Spinal Cord
Which of the following bones is ATLAS? What vertebral number is this bone.
ATLAS
C1
Identify the muscle labelled A.
What is the origin of this muscle?
Zygomaticus Major
Zygomatic bone
Identify the muscle labelled A.
What is the function of this muscle?
Orbicularis oculi
Closes eye
Identify the muscle labelled A. What is the origin of this muscle. State the function of this muscle
- Corrugator Supercilli
- Medial Superciliary arch
- Pulls eyebrows/forehead skin towards midline
Identify the muscle labelled A. What is the origin of this muscle. State the function of this muscle
- Masseter
- Zygomatic arch
- Elevates mandible
• What is the name of the muscle that lowers the mandible? Is this labelled “A” or “B” on the image?
Lateral Pterygoid
A
• Identify the muscle labelled A. What specialised muscle group does this belong to?
Subscapularis
Rotator cuff
Identify the deep, anterior thorax muscle labelled A.
Where does this muscle insert?
Pectoralis Minor
Coracoid Process
Identify the muscle labelled A.
Identify ONE function of this muscle
- Serratus Anterior
- Protraction of Scapula
- Upward rotation of Scapula
Identify the muscles labelled A & B
Do BOTH of these muscle act at the
glenohumeral joint (Yes or No)
A = Latismus Dorsi
B = Triceps Brachii (Long head)
YES!
- Identify the muscles labelled A & B.
- Include the Nerve and Nerve Root Origin for each of these muscles
- A = Deltoid (Axillary – C5,C6)
- B = Brachialis (Musculocutaneous – C5,C6,C7)
Identify the muscles labelled A & B. Which muscle acts at the wrist? (A or B)
What nerve (and nerve root origin) innervates these muscle?
A = Extensor Carpi Radialis
B = Brachioradialis
A (inserts into the carpals of the hand)
Radial Nerve (C5-T1)
Identify the muscles of the tendon labelled A. What is the origin of this muscle?
- Extensor digitorum
- Lateral epicondyle of humerus
Identify the muscles of the tendon labelled A. What joint of the finger does this act NOT act at?
Flexor digitorum superficialis
Distal interphalangeal joint
Identify the muscles of the tendons labelled A & B
Extensor pollicis longus
Extensor pollicis brevus
Identify the pinned bone
What bone attaches to the lateral aspect of this
Maxilla
Zygomatic
What muscle would you find originating at flagged region that inserts into the upper lip?
What arterial blood vessel would supply this muscle?
Zygomaticus minor
External carotid
What is the name of this bony feature?
What muscle inserts at the superior-posterior aspect of this bony structure?
Mandibular head/condyle
Lateral pterygoid
What is the name of the pinned “space”?
At what point on the vertebral column (i.e. what vertebra) does this space no longer exist
transverse foramen
T1 (thoracic vertebrae 1)
What is this bone?
Is the pinned structure a proximal or distal feature
Radius
Distal
What is the name of this bony feature
What muscle inserts here
Olecranon process
Triceps brachii
What muscle inserts at this bony feature
State the nerve and nerve root origin that innervates this muscle
Biceps brachii
Musculocutaneous (C5,C6, C7)
What is the name of this bony region?
What specific muscle-tendon is found here
Intertubercular groove
Long head of biceps brachii
What is the name of this bony feature
Name ONE muscle that inserts here
Greater Tuberosity
Supraspinatus, infraspinatus, teres minor
What is the name of the joint found at the medial end of this bone?
What is the name of the joint found at the lateral end of this bone?
Sternoclavicular
Acromioclavicular
What is the name of this bony structure
Name TWO muscles that attach here; One that originates and one that inserts
Coracoid process
Originates: Coracobrachialis or biceps brachii short head
Insertion: pectoralis minor
What is the name of this bony feature?
What muscle exists on the anterior surface of this bone
Spine of scapula
Subscapularis
Two muscles insert at this bony boarder
Identify the muscle that is involved with retraction of this bone at this boarder
Identify the muscle that is involved with protraction of this bone at this boarder
Rhomboids
Serratus anterior
What muscle group of the forearm originates from this bony feature?
What nerve (and its nerve root origin) do you find posterior to this structure
Forearm flexors, anterior (Medial epicondyle)
Ulnar (C8-T1)
What is the name of pinned carpal bone
What muscle of the forearm inserts around this region (specifically the based of the 2nd/3rd metacarpal)
Trapezium
Flexor carpi radialis
What is the name of this carpal bone?
What anatomical region does this bone serve as the base of?
Scaphoid
Snuff box
What is the name of the muscle that inserts at this bony region
What is the nerve and nerve root origin that innervates this muscle
Deltoid
Axillary (c5-c6)
What is the name of this bony feature
What muscle inserts here
Radial Styloid process
Brachioradialis
What muscle inserts at this scapular angle
What rotational direction (Upward OR Downward) results from this muscle contracting
Levator scapula
Downward
What is this name of the marked depression
During what movement is this region in contact with its respective bony structure
Coronoid fossa
Elbow flexion
