Practice questions › DPT / Allied Health › DPT Professional Review: Physical Therapy Essentials
Musculoskeletal Anatomy and Kinesiology MCQs
DPT Professional Review: Physical Therapy Essentials · DPT / Allied Health · 53 practice questions
- Upper Limb Nerve Injuries
- Close-Packed Joint Positions
- Rotator Cuff Anatomy
- Scapulohumeral Rhythm
- Gait Cycle
- Muscle Contraction Types
- Upper Limb Nerve Lesions
- Muscle Fiber Types
1. A patient achieves a total of 90 degrees of shoulder abduction. Assuming normal scapulohumeral rhythm, approximately how many degrees are contributed by the glenohumeral joint versus the scapulothoracic joint?
- A30 glenohumeral, 60 scapulothoracic
- B60 glenohumeral, 30 scapulothoracic
- C75 glenohumeral, 15 scapulothoracic
- D45 glenohumeral, 45 scapulothoracic
Show answer
B. 60 glenohumeral, 30 scapulothoracic The 2:1 ratio means for every 3 degrees of abduction, 2 come from the glenohumeral joint and 1 from the scapulothoracic joint. For 90 degrees total, this splits into 60 glenohumeral and 30 scapulothoracic.
2. A patient sustains a fracture of the humeral shaft and subsequently develops an inability to extend the wrist, with the hand hanging limply. Which nerve is most likely injured?
- AUlnar nerve
- BRadial nerve
- CMedian nerve
- DMusculocutaneous nerve
Show answer
B. Radial nerve The radial nerve (C5-T1) innervates the triceps and wrist extensors; injury classically causes wrist drop, often associated with humeral shaft fractures given its course in the spiral groove.
3. A soccer player plants her foot and twists, sustaining a valgus force combined with rotation to the knee. She reports immediate swelling and a sensation of the knee 'giving way.' Clinical suspicion is for a combined injury pattern known as the 'unhappy triad.' Which three structures are classically involved?
- AMCL, LCL, ACL
- BPCL, LCL, lateral meniscus
- CACL, MCL, medial meniscus
- DACL, PCL, medial meniscus
Show answer
C. ACL, MCL, medial meniscus The unhappy triad classically involves the ACL, MCL, and medial meniscus, often from a valgus and rotational force.
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