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BCQS - Complete Answers with Reasoning

Date: 18th Apr-2021 | Page 1/54

IMAGE 1: Questions 1-7

Q1. Type of instability frequently seen in hemiplegic patients:

✅ Correct Answer: a. Inferior instability

Reason: In hemiplegia, the muscles of the shoulder girdle - particularly the supraspinatus and deltoid - are paralyzed or severely weakened. This leads to loss of the normal inferior support of the glenohumeral joint, causing the humeral head to sublux inferiorly under gravity. This is called inferior subluxation and is the hallmark finding in hemiplegic shoulders. The sulcus sign is characteristically positive.

(The image marks option a as correct - this is RIGHT)

Q2. Grade of anterior glenohumeral translation where humeral head feels like riding over the rim but spontaneously reduces:

✅ Correct Answer: b. Grade II

Reason: The Hawkins grading system for glenohumeral translation:

Grade I - Translation up to the glenoid rim
Grade II - Head rides over the rim but spontaneously reduces (the one described)
Grade III - Head rides over the rim and stays dislocated (locked)
Grade IV is sometimes used for multidirectional

The description of "riding the rim but spontaneously reduces" precisely defines Grade II.

(The image marks b as correct - RIGHT)

Q3. 36-year-old swimmer with rotator cuff weakness, history of shoulder instability, positive sulcus sign:

✅ Correct Answer: c. Multidirectional instability (MDI)

Reason: The key clues are:

Swimmer (repetitive overhead activity = common cause of MDI)
Rotator cuff weakness
Positive sulcus sign - the hallmark clinical test for inferior laxity/MDI
History of instability

The sulcus sign specifically tests for inferior glenohumeral laxity. When present alongside anterior or posterior laxity, it indicates Multidirectional Instability (MDI). Inferior instability alone rarely presents with rotator cuff weakness in an athletic context; MDI is the complete picture here.

(The image marks b - Inferior instability with a "B" annotation, but the correct clinical answer is c - Multidirectional instability. The positive sulcus sign + swimmer + rotator cuff weakness = MDI. The student's marked answer needs correction.)

Q4. Horizontal Adduction Test is positive when patient feels pain at:

✅ Correct Answer: a. Localized pain over the acromioclavicular joint

Reason: The Horizontal Adduction Test (also called Cross-body adduction test) is performed by passively horizontally adducting the arm across the chest. It compresses the acromioclavicular joint, and if positive, produces pain localized to the AC joint. This is a standard clinical test for AC joint pathology/arthritis.

(The image marks a as correct - RIGHT)

Q5. Management of Closed Reduction of Anterior Dislocation - maximum protection phase:

✅ Correct Answer: b. During the first week, the patient's arm may be continuously immobilized because of pain and muscle guarding

Reason: In the maximum protection phase following closed reduction of anterior shoulder dislocation:

The arm is immobilized in a sling for the first 1-3 weeks to allow soft tissue healing
During the first week, continuous immobilization is expected and appropriate due to pain and protective muscle guarding
Option a is wrong (sling is removed for exercise, not just weight training)
Option c is wrong (older patients typically require only 3 weeks, not 8 weeks - younger patients may need longer)
Option d is wrong (position of dislocation must be AVOIDED, not used)

(The image marks b as correct - RIGHT)

Q6. Arthroscopic approach using thermal energy to shrink and tighten loose capsuloligamentous structures:

✅ Correct Answer: c. Electrothermally assisted capsulorrhaphy (ETAC)

Reason: This procedure uses radiofrequency thermal delivery or non-ablative laser to heat and shrink the collagen fibers of the joint capsule and ligaments. This technique is called Electrothermally Assisted Capsulorrhaphy (ETAC) - it tightens lax capsuloligamentous structures without surgical plication. It differs from:

Capsular shift = open surgical procedure
SLAP repair = labral surgery
Posterior capsulorrhaphy = specific to posterior capsule tightening

(The image marks c as correct - RIGHT)

Q7. 49-year-old female with severe shoulder pain at rest, limited motion in all directions, tenderness at deltoid insertion, over anterior and posterior capsule, not relieved by intra-articular injection:

✅ Correct Answer: a. Frozen Shoulder (Adhesive Capsulitis)

Reason: Classic presentation of Frozen Shoulder (Adhesive Capsulitis):

Pain at rest and at night
Global restriction of motion in all directions (hallmark)
Tenderness over anterior and posterior capsule
Deltoid insertion tenderness (referred pain)
Does NOT fully respond to intra-articular steroid injection (especially in the frozen/fibrotic stage)
No history of trauma

Impingement would have a painful arc, not global restriction. Labral instabilities would show apprehension, not global stiffness.

(The image marks a as correct - RIGHT)

IMAGE 2: Questions 8-15

Q8. 56-year-old male with severe shoulder pain disturbing sleep, faulty posture with protracted/tilted scapula, rounded shoulders, elevated and protected shoulder, decreased arm swing:

✅ Correct Answer: b. Frozen Shoulder

Reason: This presentation describes the postural compensations of Frozen Shoulder (Adhesive Capsulitis):

Sleep disturbance due to pain (classic feature)
Protracted, tilted, elevated scapula - the body compensates for reduced glenohumeral motion by using excessive scapulothoracic motion
Rounded shoulders with shoulder held in elevation and protraction (guarding posture)
Decreased arm swing while walking (due to restricted glenohumeral motion)

Painful arc syndrome would not cause this global postural adaptation. Labral instability would not typically cause sleep disturbance with this pattern.

(The image marks b as correct - RIGHT)

Q9. 50-year-old female after Manipulation Under Anesthesia (MUA) - arm position during inflammatory reaction stage:

✅ Correct Answer: c. The arm kept elevated overhead in abduction and external rotation

Reason: After MUA for frozen shoulder, during the inflammatory reaction stage, the arm should be positioned in:

Abduction - to maintain the inferior capsule stretch
External rotation - to prevent re-adhesion of the anterior capsule
Elevated overhead - to maintain the range gained

This position keeps the capsular tissue on stretch while healing occurs and prevents re-adhesion. Internal rotation would allow the anterior capsule to re-tighten.

(The image marks c as correct - RIGHT)

Q10. The hydraulic, weight-bearing and shock-absorbing portion of the spine:

✅ Correct Answer: c. Anterior Pillar

Reason: The Anterior Pillar of the spine consists of the vertebral bodies and intervertebral discs. The nucleus pulposus acts as a hydraulic cushion - it absorbs compressive loads and distributes forces. The anterior column bears approximately 80% of compressive forces on the spine, functioning as the hydraulic, weight-bearing, and shock-absorbing unit.

The posterior pillar (facet joints) guides movement but is not the primary load-bearing structure.

(The image marks c as correct - RIGHT)

Q11. Direction of movements between two spinal vertebrae is influenced by:

✅ Correct Answer: a. Orientation of facets

Reason: The orientation of the facet joints (zygapophyseal joints) determines the direction (plane) of movement between two vertebrae:

Cervical facets (45° to horizontal) - allow flexion, extension, lateral flexion, rotation
Thoracic facets (vertical, coronal plane) - allow rotation but limit flexion
Lumbar facets (vertical, sagittal plane) - allow flexion/extension, restrict rotation

The disc thickness affects range, not direction. End plate orientation is less important than facet orientation for movement direction.

(The image marks a as correct - RIGHT)

Q12. The axis of motion occurring between two spinal vertebrae:

✅ Correct Answer: a. Nucleus Pulposus of IV disc

Reason: The nucleus pulposus acts as the instantaneous axis of rotation (IAR) between two vertebrae. It is a gelatinous, incompressible structure that acts as a pivot point around which the vertebrae move. The annulus fibres and facet joints guide and constrain motion, but the nucleus pulposus is the mechanical fulcrum/axis.

(The image marks a as correct - RIGHT)

Q13. Activity that unloads compressive forces and increases stabilizing effect by pushing out against abdominal muscles:

✅ Correct Answer: c. Valsalva Maneuver

Reason: The Valsalva Maneuver (forced expiration against a closed glottis) increases intra-abdominal pressure (IAP). Elevated IAP pushes outward against the abdominal wall, creating a "pneumatic cylinder" effect that:

Unloads compressive forces from the lumbar spine
Increases spinal stabilization via thoracolumbar fascia tension
Acts as a natural lifting mechanism

This is why heavy lifters naturally hold their breath during maximal lifts. Lumbar flexion does not unload; traction is passive; anticipatory limb movements activate transversus abdominis but not through this mechanism.

(The image marks c as correct - RIGHT)

Q14. A posture that deviates from normal alignment but has NO structural impairment:

✅ Correct Answer: d. Postural Fault

Reason: By Kendall's classification:

Postural Fault = deviation from ideal alignment but with no pain and no structural impairment - the person CAN correct the posture voluntarily but habitually holds a poor position
Postural Pain Syndrome = pain from sustained poor posture
Unstable Posture = a stability issue
Stable Posture = normal term

A Postural Fault is a correctable positional deviation without tissue damage or structural change.

(The image marks d as correct - RIGHT)

Q15. Postural impairment with irreversible lateral curvature with fixed rotation of vertebrae:

✅ Correct Answer: a. Structural Scoliosis

Reason: Structural Scoliosis is defined by:

Irreversible lateral curvature
Fixed rotation of vertebrae (rib hump on forward bend = Adams test positive)
Does NOT correct on lateral bending or positional change
Has structural bony changes

Functional/Non-structural scoliosis is reversible (corrects with bending or lying down). Flat back and exaggerated lordosis are sagittal plane deformities, not lateral.

(The image marks a as correct - RIGHT)

IMAGE 3: Questions 16-23

Q16. Coal mine worker with lower back pain, shooting pain down left leg, MRI shows nucleus pulposus extended beyond PLL, still in contact with intervertebral disc at L3-L4:

✅ Correct Answer: b. Extrusion

Reason: Classification of disc herniation:

Protrusion - nucleus bulges but base is wider than the protrusion
Extrusion - nucleus extends beyond the PLL (posterior longitudinal ligament) but remains in continuity with the disc - this matches the description perfectly
Sequestration/Free Fragment - nuclear material breaks free and has NO continuity with the disc
Extraforaminal - location, not a type

"Extended beyond the PLL but still in contact with the disc" = Extrusion.

(The image marks b as correct - RIGHT)

Q17. 62-year-old female with moderate back pain, numbness/tingling below knee during extension and side bending, history of prolonged immobilization secondary to pelvic ring fracture:

✅ Correct Answer: c. Degenerative Joint Disease (Spondylosis)

Reason: Key clues:

Elderly female
Prolonged immobilization following pelvic ring fracture - leads to accelerated degenerative changes
Symptoms worse with extension and side bending (facet loading = DJD)
Numbness/tingling below knee (nerve root involvement from osteophytes/facet hypertrophy)

Disc herniation typically worsens with flexion. Bamboo spine = ankylosing spondylitis (young males). Spondylolisthesis would show on imaging. The history of immobilization + age + symptom pattern = Degenerative Joint Disease.

(The image marks c as correct - RIGHT)

Q18. Symptoms relieved by placing hand of affected side above head (Bakody's Sign) - indicates problem in cervical spine area:

✅ Correct Answer: c. C4-C5

Reason: Bakody's Sign (Shoulder Abduction Relief Sign) is performed by placing the hand on top of the head, which abducts the shoulder and reduces tension on the nerve root. This sign is most commonly positive in:

C4-C5 nerve root compression (some sources say C5-C6)

The abduction position reduces tension on the upper trunk of the brachial plexus and the C4-C5 nerve roots. It is classic for C5 radiculopathy associated with C4-C5 disc herniation.

(The image marks c - C4-C5 as correct - RIGHT)

Q19. If sustained flexion causes mechanical back pain, the problem arises from prolonged/faulty:

✅ Correct Answer: b. Sitting

Reason: Prolonged sitting involves sustained lumbar flexion:

The lumbar spine adopts a flexed posture during sitting, especially with poor posture
Sustained flexion leads to posterior disc stress, posterior ligament creep, and flexion-related mechanical back pain
This is the basis of McKenzie's mechanical diagnosis - flexion-biased pain arising from sitting postures

Walking maintains extension. Standing and lying allow more neutral or extended postures.

(The image marks b as correct - RIGHT)

Q20. Adaptive shortening of skin, fascia, muscle, or joint capsule preventing normal movement or flexibility:

✅ Correct Answer: b. Contracture

Reason: A Contracture is defined as the adaptive shortening of any soft tissue structure (skin, fascia, muscle, tendon, joint capsule) that results in restriction of normal range of motion. It occurs due to prolonged positioning, immobilization, or neurological conditions. It is different from:

Spasm = involuntary muscle contraction (temporary)
Adhesion = abnormal collagen bonding between structures
Dysfunction = broader functional impairment term

(The image marks b as correct - RIGHT)

Q21. Abnormal adherence of collagen fibers to surrounding structures during immobilization following trauma or surgery, resisting normal elasticity:

✅ Correct Answer: a. Adhesions

Reason: Adhesions are pathological bonds that form between collagen fibers and adjacent structures during healing after trauma, surgery, or prolonged immobilization. The newly laid collagen forms cross-links with surrounding tissues rather than aligning along stress lines, creating resistance to normal extensibility. This is distinct from contracture (shortening) or spasm (muscle contraction).

(The image marks a as correct - RIGHT)

Q22. Abnormal, sustained low-grade muscle contracture usually resulting from pain, inflammation, infection, or immobilization:

✅ Correct Answer: c. Muscle Guarding

Reason: Muscle Guarding is a sustained, involuntary, low-grade muscle contraction that occurs in response to:

Pain
Inflammation
Infection
Immobilization

It is the body's protective mechanism to limit movement of a painful area. It differs from:

Spasm = sudden, involuntary, high-intensity contraction
Contracture = structural shortening (permanent/semi-permanent)
Strain = mechanical injury to muscle

(The image marks c as correct - RIGHT)

Q23. To prevent abnormal adherence of tissues during protection phase, physical therapists apply:

✅ Correct Answer: b. Grade I-II joint mobilization exercises (gentle range of motion exercises)

Reason: During the protection phase, to prevent adhesion formation:

Grade I and II joint mobilizations (gentle oscillatory movements) maintain articular nutrition and prevent collagen cross-linking between adjacent tissues
They are applied within pain-free range without stressing healing tissues
Grade III mobilizations would be too aggressive during protection phase
Full active exercises are reserved for later phases

(The image marks b as correct - RIGHT)

IMAGE 4: Questions 24-28

Q24. Patient with feeling of knee giving way + signs of bleeding into the joint:

✅ Correct Answer: d. Hemarthrosis

Reason: Hemarthrosis literally means blood in the joint cavity. Key features:

Rapid, tense joint swelling (within hours)
Warmth, tenderness
"Giving way" sensation (due to pain inhibition or ligament/meniscus injury)
The question specifically states "signs of bleeding into the joint"

Bleeding into a joint is called hemarthrosis. Common causes: ACL tear, patellar dislocation, tibial plateau fracture. Synovitis is inflammation without blood. Ganglion is a cyst.

(The image marks d as correct - RIGHT)

Q25. 50-year-old male carpenter with pain in right arm, increases on activity, marked morning stiffness, relieves after rest, no trauma:

✅ Correct Answer: a. Mechanical pain

Reason: This is a classic presentation of Mechanical pain:

Increases with activity, relieves with rest = mechanical loading pattern
Morning stiffness that improves with movement (unlike RA where stiffness lasts >1 hour)
No trauma
Middle-aged working male (occupation-related repetitive loading)

Inflammatory pain (RA, AS) worsens with rest and improves with movement. Psychogenic pain has inconsistent patterns. Systemic issues would have other symptoms.

(The image marks a as correct - RIGHT)

Q26. Treating an elderly patient with chronic Rheumatoid Arthritis with no prior PT - first line of treatment:

✅ Correct Answer: c. Joint protection and activity modification

Reason: For a patient with Chronic Rheumatoid Arthritis who has never had PT:

The first priority is joint protection - teaching proper body mechanics, assistive devices, energy conservation, and activity modification to prevent further joint damage
Vigorous strengthening (a, b) and vigorous stretching (d) can exacerbate RA flares and increase joint damage
Joint protection principles are the cornerstone of RA management in physiotherapy before progressing to exercise

(The image marks c as correct - RIGHT)

Q27. 18-year-old student with bilateral MCP, PIP, talonavicular joint pain/swelling + bilateral knee morning stiffness >1 hour + radiographic erosion and bony decalcification:

✅ Correct Answer: c. Rheumatoid Arthritis

Reason: Classic RA features present:

Young patient (18 years, but RA can occur at any age)
Bilateral, symmetric joint involvement (MCP, PIP)
Morning stiffness >1 hour - hallmark of RA
Radiographic erosion and bony decalcification (periarticular osteopenia = classic RA X-ray finding)
Multiple joint involvement including talonavicular joint

Why not Juvenile RA (JRA/JIA)? - JRA is diagnosed under 16 years. At 18, this is adult RA. Osteoarthritis affects DIP joints predominantly. Psoriatic arthritis causes sausage digits (dactylitis) and nail changes.

(The image marks c as correct - RIGHT)

Q28. 35-year-old female with persistent back pain for 1 year + marked weight loss of 15-20 lbs in 2 weeks + pain aggravates on walking - first line of management:

✅ Correct Answer: c. Referred to physician

Reason: This presentation contains RED FLAGS for serious/sinister pathology:

Persistent pain >1 year (not resolving with time)
Significant unintentional weight loss (15-20 lbs in 2 weeks) - major red flag for malignancy, systemic disease, or serious infection
Pain aggravates on walking (not improving)

These red flags suggest possible spinal malignancy (primary or metastatic), serious systemic disease, or infection. Physiotherapy (William's exercises, posture education) is contraindicated as first management. The patient must be referred to a physician immediately for investigation (MRI, bone scan, labs including CBC, ESR, CRP, cancer markers).

This is a "Do Not Miss" diagnosis - always refer when red flags are present.

(The image marks c as correct - RIGHT)

Summary Table

Q#	Correct Answer	Key Concept
1	a - Inferior instability	Hemiplegia → muscle paralysis → inferior subluxation
2	b - Grade II	Rides rim but spontaneously reduces
3	c - Multidirectional instability	Swimmer + sulcus sign + rotator cuff weakness
4	a - AC joint pain	Cross-body adduction tests AC joint
5	b - First week immobilization	Pain and muscle guarding justify continuous immobilization
6	c - ETAC	Radiofrequency shrinks collagen
7	a - Frozen Shoulder	Global restriction + no injection response
8	b - Frozen Shoulder	Sleep disturbance + postural compensations
9	c - Abduction + ER overhead	Prevents capsular re-adhesion after MUA
10	c - Anterior Pillar	Vertebral bodies + discs = hydraulic shock absorbers
11	a - Facet orientation	Facets determine movement direction
12	a - Nucleus Pulposus	Acts as the axis/fulcrum of motion
13	c - Valsalva Maneuver	IAP unloads spine compressive forces
14	d - Postural Fault	Correctable deviation, no structural damage
15	a - Structural Scoliosis	Irreversible + fixed vertebral rotation
16	b - Extrusion	Beyond PLL but connected to disc
17	c - Degenerative Joint Disease	Elderly + immobilization + extension symptoms
18	c - C4-C5	Bakody's sign = upper brachial plexus relief
19	b - Sitting	Sustained sitting = sustained lumbar flexion
20	b - Contracture	Adaptive shortening of soft tissue
21	a - Adhesions	Collagen cross-links after immobilization/trauma
22	c - Muscle Guarding	Sustained low-grade protective contraction
23	b - Grade I-II joint mobilization	Prevents adhesions in protection phase
24	d - Hemarthrosis	Bleeding into joint
25	a - Mechanical pain	Activity aggravates, rest relieves
26	c - Joint protection	First priority in RA physiotherapy
27	c - Rheumatoid Arthritis	Bilateral, symmetric, erosions, morning stiffness >1hr
28	c - Referred to physician	Red flags: weight loss + persistent pain = rule out malignancy

Note on Q3: The correct answer is c (Multidirectional Instability), not b (Inferior instability). A positive sulcus sign combined with a swimmer's history, rotator cuff weakness, and previous instability episodes points to MDI. The student's answer appears incorrect.

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