When pronation and supination of the forearm occur, the ulna moves on the radius to perform these motions because the radius does not move and is locked in place by its bony shape at the proximal end.
Which muscle of the hand is a multi-joint muscle that is inn…
Which muscle of the hand is a multi-joint muscle that is innervated by the median nerve, C7-T1?
Where does the levator scapula attach on the scapula?
Where does the levator scapula attach on the scapula?
Your patient is demonstrating weakness of the upper extremit…
Your patient is demonstrating weakness of the upper extremity during concentric exercises of the triceps. You suspect involvement of with spinal nerve segments?
These shoulder joint motions occur in the transverse plane a…
These shoulder joint motions occur in the transverse plane around a vertical axis.
According to Lippert, abduction and adduction of the thumb o…
According to Lippert, abduction and adduction of the thumb occur in a plane perpendicular tot he palm. Based on this information, what plane would these motions occur in?
Which muscle does NOT attach on the medial epicondyle of the…
Which muscle does NOT attach on the medial epicondyle of the humerus?
Match the following joint articulations with the correct joi…
Match the following joint articulations with the correct joint classification.
The intrinsic muscle mass on the little finger side of the p…
The intrinsic muscle mass on the little finger side of the palm is made up of which set of muscles?
What is the classic characteristic of downward rotation of t…
What is the classic characteristic of downward rotation of the scapula?