ART Anatomy & Biomechanics Flashcards
6 cards from real ART practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 ART Anatomy & Biomechanics flashcards as text
Which nerve passes through the carpal tunnel?
Answer: Median nerve
The median nerve travels through the carpal tunnel beneath the flexor retinaculum.
Which muscle is the primary antagonist to the biceps brachii during elbow flexion?
Answer: Triceps brachii
The triceps brachii is the primary elbow extensor and therefore the antagonist of the biceps brachii.
Ankle plantarflexion exemplifies which class of lever?
Answer: Second-class lever
Plantarflexion is a second-class lever: the load (body weight) sits between the fulcrum (toes) and the effort (calf muscles).
The erector spinae muscle group primarily performs which spinal action?
Answer: Extension and lateral flexion
The erector spinae extend the spine and, when contracting unilaterally, assist with lateral flexion.
Which structure is most commonly involved in lateral epicondylitis?
Answer: Extensor carpi radialis brevis
The extensor carpi radialis brevis (ECRB) tendon is most commonly implicated in lateral epicondylitis.
What is the closed-packed position of the glenohumeral joint?
Answer: Full abduction with external rotation
The glenohumeral joint's closed-packed position is full abduction with external rotation, maximizing joint congruency.
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