A 22-year-old medical student is asked to abduct her fingers during a neuro exam. She is unable to abduct her middle finger in either direction. Which muscle group is likely affected?

A patient with a deep laceration to the palm is unable to adduct her 4th and 5th digits. Which intrinsic hand muscles are likely involved?

A 25-year-old woman falls on an outstretched hand and develops numbness in her lateral 3½ fingers. She can’t oppose her thumb. Which branch of the median nerve is affected?

A 60-year-old man presents with weakness in finger adduction and atrophy of the hypothenar muscles. Where is the likely site of ulnar nerve compression?

A 38-year-old woman presents with pallor and coldness of the thumb following a traumatic wrist laceration. On examination, there is reduced capillary refill in the thumb, and Doppler ultrasound shows compromised blood flow from the radial artery. Which branch of the radial artery is primarily responsible for supplying the thumb, and is likely compromised in this patient?

A 58-year-old man with chronic congestive heart failure presents with bilateral hand swelling and visible distention of superficial veins. Examination suggests impaired venous return from the upper limbs. Which superficial veins are primarily responsible for draining venous blood from the hand?

During carpal tunnel surgery, a surgeon accidentally injures the recurrent branch of the median nerve. Which of the following will the patient most likely experience?

A young boy is brought to the clinic with difficulty flexing the tips of his fingers. On examination, he is unable to flex the distal interphalangeal (DIP) joints, but retains the ability to flex the proximal interphalangeal (PIP) joints.

Following wrist trauma, a patient has poor capillary refill and absent radial pulse. Thumb and lateral index finger are pale and cool. Which arterial branches are compromised?

which muscle group is shown in the image ?

WHich structure is marked in the cadaver?