Table 3.

Case 3 knee flexor muscle and tendon morphology.

Structure	Parameter	Injured Limb			Jninjured Limb
		Pre‐Surgery	Post‐Return to Sports	Follow‐Up	Pre‐Surgery	Post‐Return to Sports	Follow‐Up
Semitendinosus
Muscle	Volume	121.85	84.12	58.50	126.64	130.76	172.75
	Peak cross‐sectional area	8.56	8.60	7.00	8.71	8.46	10.42
	Length	25.86	18.67	16.80	24.71	26.54	27.89
Tendon	Volume	1.47	0.11	2.35	1.24	0.94	2.81
	Peak cross‐sectional area	0.16	0.13	0.21	0.13	0.20	0.41
	Length	20.98	1.15	19.65	20.43	19.89	18.94
Gracilis
Muscle	Volume	66.50	71.40	98.90	62.14	60.86	111.68
	Peak cross‐sectional area	4.88	3.19	5.67	4.07	4.14	6.37
	Length	27.59	26.17	25.46	27.54	30.18	28.04
Tendon	Volume	0.61	1.01	3.85	0.94	0.61	2.89
	Peak cross‐sectional area	0.14	0.14	0.47	0.20	0.10	0.48
	Length	11.19	18.94	21.25	9.45	12.72	14.79
Semimembranosus
Muscle	Volume	170.12	185.12	254.02	159.48	169.54	236.85
	Peak cross‐sectional area	9.93	11.77	16.79	10.17	11.44	15.01
Biceps femoris (long)
Muscle	Volume	153.97	164.70	214.47	161.60	169.07	216.70
	Peak cross‐sectional area	12.62	14.13	17.80	12.34	13.30	15.39
Biceps femoris (short)
Muscle	Volume	60.36	65.69	87.14	51.20	56.52	82.90
	Peak cross‐sectional area	6.17	6.98	7.75	5.42	5.82	7.30
Sartorius
Muscle	Volume	99.60	107.90	189.84	83.22	85.49	166.60
	Peak cross‐sectional area	3.47	3.46	5.03	2.75	2.91	4.76
Hamstrings+Gracilis+Sartorius
Muscle	Volume	672.40	661.60	902.87	644.28	672.24	987.47
	Peak cross‐sectional area	45.63	48.62	60.04	43.46	46.07	59.25

Units: volume (cm³), peak cross‐sectional area (cm²), and length (cm).