Skeletal muscles whose contraction decreases joint angles are named:______________?
Show answer Hide answer
Answer: A. Flexor
Explanation
Muscles whose contraction reduces the angle at a joint are flexors, as the biceps is at the elbow. Extensors open the joint and increase the angle. Abductors move a limb away from the body's midline and adductors draw it back, which is movement in a different plane altogether.
- Subject
- Physical Education
- Category
- Physical Education
- Topic
- —
- Difficulty
- medium
Related questions
Q1. Histological and functional factors determining muscle type_________.
Show answer Hide answer
Answer: B. Use of Biopsy
A muscle biopsy extracts a small tissue sample essential for detailed histological analysis. Microscopic examination of extracted tissue reveals specific fiber types and metabolic characteristics. Physical scientists rel...
Q2. Anatomical composition of the human wrist featuring carpal bones:
Show answer Hide answer
Answer: B. 8
The human carpal region of the wrist consists of exactly eight small bones arranged in two rows. These carpal bones include the scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, and hamate. Their co...
Q3. Fundamental prerequisites essential for maintaining optimal physical health_________.
Show answer Hide answer
Answer: A. Proper diet
A proper diet supplies essential nutrients required for vital bodily functions and daily energy. Consuming balanced nutritional meals supports immune defense and cellular repair throughout the body. Nutrition serves as a...
Q4. Founding year marking the inception of the modern Olympic movement_________?
Show answer Hide answer
Answer: B. 1896
The modern Olympic movement was officially inaugurated in the historic year of 1896. These revival games took place in Athens, Greece, honoring the birthplace of ancient traditions. Pierre de Coubertin founded the Intern...
Q5. Chemical element that forms an essential constituent of_________.
Show answer Hide answer
Answer: A. Proteins
Proteins are large biomolecules consisting of amino acids which fundamentally contain nitrogen. The presence of an amine group distinguishes protein molecules from pure carbohydrates and fats. Nitrogen serves as an essen...
Q6. Total bone count comprising the appendicular skeleton: ___________?
Show answer Hide answer
Answer: C. 126
The appendicular skeleton consists of 126 bones, which include upper and lower limbs and girdles. This skeletal division attaches to the central axial skeleton to facilitate wide ranges of body movement. The limbs and gi...