ACE - Personal Trainer Anatomy and Biomechanics Flashcards
6 cards from real ACE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 ACE - Personal Trainer Anatomy and Biomechanics flashcards as text
What does the term 'pronation' refer to when describing forearm movement?
Answer: Rotating the palm downward
Pronation of the forearm involves rotating the radius over the ulna so the palm faces downward or posteriorly.
Which muscle is considered the primary stabilizer of the lumbar spine during resistance training?
Answer: Transverse abdominis
The transverse abdominis is the deepest abdominal muscle and the primary stabilizer of the lumbar spine and pelvis.
What is the term for the lengthening of a muscle while it is still producing force?
Answer: Eccentric contraction
An eccentric contraction occurs when a muscle lengthens while producing tension, such as lowering a dumbbell during a curl.
Which bone forms the posterior portion of the heel?
Answer: Calcaneus
The calcaneus is the largest tarsal bone and forms the heel, serving as the attachment point for the Achilles tendon.
What is the term for a muscle contraction in which muscle length does not change?
Answer: Isometric
An isometric contraction produces force without a change in muscle length, such as holding a plank position.
Which movement describes rotating the sole of the foot inward (medially)?
Answer: Inversion
Inversion is the movement of the sole of the foot toward the midline of the body.