Podcast
Questions and Answers
Describe the major muscles of the upper limb and their actions.
Describe the major muscles of the upper limb and their actions.
The major muscles of the upper limb include the deltoid, biceps brachii, triceps brachii, and flexor and extensor muscles of the forearm. They are responsible for various movements such as flexion, extension, abduction, and adduction of the shoulder, elbow, and wrist joints.
Explain the blood supply and innervation of the upper limb.
Explain the blood supply and innervation of the upper limb.
The upper limb receives blood supply from the subclavian artery, which branches into the axillary and brachial arteries. The innervation is provided by the brachial plexus, which gives rise to nerves such as the median, ulnar, and radial nerves, responsible for motor and sensory functions of the upper limb.
What are the bones of the upper limb and their functions?
What are the bones of the upper limb and their functions?
The upper limb consists of the humerus, radius, ulna, carpals, metacarpals, and phalanges. Their functions include support, movement, and manipulation of objects.
Which nerve is responsible for the motor and sensory innervation of the muscles in the anterior compartment of the arm?
Which nerve is responsible for the motor and sensory innervation of the muscles in the anterior compartment of the arm?
Signup and view all the answers
Which artery supplies the majority of the blood to the hand?
Which artery supplies the majority of the blood to the hand?
Signup and view all the answers
Which bone articulates with the scapula to form the shoulder joint?
Which bone articulates with the scapula to form the shoulder joint?
Signup and view all the answers
